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Topoisomerase I/II inhibitor 4 (compound F16) is a potent topoisomerase I(Topo I) and II(Topo II) dual inhibitor. Topoisomerase I/II inhibitor 4 inhibits cell proliferation, invasion and migration and induces apoptosis. Topoisomerase I/II inhibitor 4 can be used for liver cancer research .
Topoisomerase I inhibitor 6 (Compound 3) is a potent inhibitor of Topoisomerase I. Topoisomerase I inhibitor 6 is able to trap DNA-Top1 cleavage complex and found to be less cytotoxic in non-cancerous cell line. Topoisomerase I inhibitor 6 has the potential for the research of cancer diseases .
Topoisomerase I inhibitor 14 (Compound 4h) is an inhibitor for Topoisomerase I. Topoisomerase I inhibitor 14 inhibits proliferation of A549 and C6 with IC50s of 4.56 μM and 13.17 μM, without significant toxicity in healthy cells NIH3T3 (IC50 is 74.44 μM), which exhibits anticancer potency .
Topoisomerase II inhibitor 14 (compound 2f) is a potent inhibtor of Topoisomerase II, with anticancer activity. Topoisomerase II inhibitor 14 induces apoptosis, and arrests cell cycle at S phase. Topoisomerase II inhibitor 14 exhibits antioxidant effect and decreases the level of GSH, MDA, and NO .
Topoisomerase II inhibitor 17 (compound 4c) is an inhibitor of thiazolopyrimidine topoisomerase (Topoisomerase) Top II (IC50: 0.23 μM). Topoisomerase II inhibitor 17 can significantly cause cell cycle disruption and apoptosis .
Topoisomerase inhibitor 2 (18C) is a bacterial topoisomeraseinhibitor that exhibits potent broad-spectrum activity against multidrug-resistant Gram-negative bacteria .
Topoisomerase II inhibitor 19 (compound 5h) is a DNA intercalator and topoisomerase II inhibitor (IC50 value of 0.34 μM). Topoisomerase II inhibitor 19 would induce detectable potent damage in ctDNA .
Topoisomerase II inhibitor 15 (compound 2g) is a Topoisomerase II inhibitor. Topoisomerase II inhibitor 15 potently is an apoptotic inducer with greater selectivity against head and neck tumors .
Topoisomerase I inhibitor 7 (Compound 8) is a potent inhibitor of Topoisomerase I. Topoisomerase I inhibitor 7 significantly inhibits tumor growth (up to 79%) and increases the lifespan (153%) of mice bearing P388 lymphoma transplants. Topoisomerase I inhibitor 7 indicates prospects for further search of new antitumor agent candidates among the heteroarene-fused anthraquinones .
Topoisomerase II inhibitor 11 (compound 3d) is a potent Topoisomerase II inhibitor, with an IC50 of 2.89 μM. Topoisomerase II inhibitor 11 shows 92.46% inhibition on renal cancer cell line A498 with an IC50 of 3.5 μM. Topoisomerase II inhibitor 11 causes cell cycle arrest at the G2/M phase leading to cell proliferation inhibition and pro-apoptotic activity .
Topoisomerase II inhibitor 6 (Compound 5), a tryptanthrin derivative, is a potent and selective inhibitor of topoisomerase II. Topoisomerase II inhibitor 6 exhibits antiproliferative activity on different tumor cell lines. Topoisomerase II inhibitor 6 blocks the cell cycle of CCRF-CEM in the G2 phase and induces DNA DSB. Topoisomerase II inhibitor 6 has the potential for the research of cancer diseases .
Topoisomerase II inhibitor 16 (compound CT3) is a selective, orally active, brain-penetrant and irreversible trypanosomal topoisomerase II inhibitor by stabilizing double-stranded DNA:enzyme cleavage complexes. Topoisomerase II inhibitor 16 has the potential for Chagas disease research .
Topoisomerase I inhibitor 2 (ZML-8) is a highly selective inhibitor of DNA topoisomerase I (Top1). Topoisomerase I inhibitor 2 inhibits Top1 activity and results DNA damage. Topoisomerase I inhibitor 2 blocks G2/M phase and induces apoptosis, exhibits anti-tumor effect .
Topoisomerase IIα-IN-6 (Compound 47d) is an inhibitor of DNA topoisomerase IIα/β. Topoisomerase IIα-IN-6 inhibits human topoisomerase IIα and human topoisomerase IIβ with IC50 values of 0.67 µM and 0.55 µM, respectively. Topoisomerase IIα-IN-6 has stable metabolism .
Topoisomerase IIα-IN-5 is a topoisomerase II (topo II) α catalytic inhibitor. Topoisomerase IIα-IN-5 intercalates into DNA and binds to the DNA minor groove. Topoisomerase IIα-IN-5 exhibits better efficacy and less genotoxicity than Etoposide (HY-13629) .
Topoisomerase IIα-IN-7 is an DNA topoisomerase IIα inhibitor with an IC50 value of 7.7 µM. Topoisomerase IIα-IN-7 has broad-spectrum cytotoxicity to leukemia, lung, colon, melanoma, ovarian, kidney, prostate and breast cancer cells. Topoisomerase IIα-IN-7 has metabolic stability .
Topoisomerase IIα-IN-1 (compound 2) is a potent DNA-binding ligands and topoisomerase IIα inhibitor. Topoisomerase IIα-IN-1 exhibits high antiproliferative activity against human cancer cell lines .
Topoisomerase I inhibitor 5 is an effective topoisomerase inhibitor with IC50 value of. Topoisomerase I inhibitor 5 can interfere with DNA and significantly inhibit the activity of Topoisomerase I. Topoisomerase I inhibitor 5 can arrest cell cycle at the G1 phase and induce MCF-7 cells apoptosis. Topoisomerase I inhibitor 5 has potency in reversing P-gp-mediated resistance to Adriamycin .
Topoisomerase IIα-IN-2 (compound 5) is a potent DNA-binding ligands and topoisomerase IIα inhibitor. Topoisomerase IIα-IN-2 exhibits high antiproliferative activity against human cancer cell lines. Topoisomerase IIα-IN-2 significantly induces DNA damage and arrests cancer cells at G2/M phase .
Topoisomerase II inhibitor 13 is a topoisomerase II(Topo II) inhibitor. Topoisomerase II inhibitor 13 shows antiproliferative activity against several cancer cells. Topoisomerase II inhibitor 13 induces cancer cells apoptosis .
Topoisomerase II inhibitor 20 (Compound 3e) is a potent topoisomerase II (Topoisomerase II) inhibitor with an IC50 of 0.98 µM. Topoisomerase II inhibitor 20 induces apoptosis and has broad-spectrum anticancer activity .
Topoisomerase IIα-IN-3 (Compound 12c) is a DNA intercalative topoisomerase-IIα inhibitor. Topoisomerase IIα-IN-3 arrests cell cycle at the G0/G1 phase and induces apoptosis .
Topoisomerase I inhibitor 8 is a potent topoisomerase I inhibitor. Topoisomerase I inhibitor 8 is a hexacyclic analogue of camptothecin, and displays cytotoxic effect against tumor cells .
Topoisomerase I inhibitor 3 (Compound ZML-14) is a topoisomerase I inhibitor and can interact with topoisomerase I-DNA complex. Topoisomerase I inhibitor 3 induces HepG2 cell apoptosis and arrests cell cycle at G2/M phase .
Topoisomerase II inhibitor 12 (Compound 8c) is a topoisomerase II (topo II) inhibitor, working as a DNA non-intercalator. Topoisomerase II inhibitor 12 shows antineoplastic activity .
Topoisomerase I inhibitor 10 (compound 13) is a leishmanial topoisomerase IB inhibitor. Topoisomerase I inhibitor 10 has antileishmanial activity against L. donovani promastigotes, with the IC50 of 27.91 μM .
Topoisomerase I inhibitor 12 (compound 12), a Camptothecin (HY-16560)-based derivative, is a potent Topoisomerase I inhibitor. Topoisomerase I inhibitor 12 shows anticancer activity .
Topoisomerase I inhibitor 15 (compound 4b) is an inhibitor of topoisomerase I with anticancer activity. Topoisomerase I inhibitor 15 inhibits A549 cells with an IC50 of 7.34 μM .
Topoisomerase II inhibitor 7 (compound 3a) is a potent inhibitor of topoisomerase II alpha subtype, with an IC50 of 3.19 μM. Topoisomerase II inhibitor 7 can induce cell cycle arrest and apoptosis .
Topoisomerase I inhibitor 9 (compound 3d) is a leishmanial topoisomerase IB inhibitor. Topoisomerase I inhibitor 9 has antileishmanial activity against L. donovani promastigotes, with the IC50 of 34.81μM .
Topoisomerase IIα-IN-4 (F2) is a non-intercalative ATP-competitive human DNA topoisomerase II inhibitor with an IC50 value of 3.8 and 10.1 μM for TopoIIα and TopoIIβ, respectively. Topoisomerase IIα-IN-4 shows potent potency in apoptosis induction and cell cycle arrest in HepG2 cells. Topoisomerase IIα-IN-4 exhibits strong antitumor activities against human cancer cell lines, it can be used for the research of cancer .
Topoisomerase II inhibitor 18 (Compound IV) is a Quinoxaline derivative, which inhibits topoisomerase II with IC50 of 7.5 μM. Topoisomerase II inhibitor 18 inhibits proliferation, cell cycle at S phase and induces apoptosis in PC-3 cells. Topoisomerase II inhibitor 18 reveals antitumor activity against cancer .
Topoisomerase II/EGFR-IN-1 is topoisomerase II/EGFR dual inhibitor. Topoisomerase II/EGFR-IN-1 has superior cytotoxic activity to MCF-7, A549 and HCT-116 cell lines, displays strong apoptotic activity and can be used for the research of cancer .
Topoisomerase I inhibitor 4 (compound 7a) is a topoisomerase I inhibitor. Topoisomerase I inhibitor 4 inhibits HepG2, A549, MCF-7 and HeLa cancer cells proliferation with IC50s of 1.20, 2.09, 1.56 and 1.92 μM, respectively. Topoisomerase I inhibitor 4 can be used for the research of cancer .
Topoisomerase I inhibitor 21 (Compound 3e) is an inhibitor for Topoisomerase I through stabilization of enzyme-DNA complex. Topoisomerase I inhibitor 21 exhibits antiproliferative activity in 39 human cancer cells (JFCR39) with mean GI50 39 nM .
Topoisomerase II inhibitor 8 (compound 22) is a potent topoisomerase II inhibitor, with an IC50 of 0.52 μM. Topoisomerase II inhibitor 8 exhibits good anti-proliferative activities and can arrest the cell cycle at G2/M phase .
Topoisomerase II inhibitor 4 (compound E17) is a potent Topoisomerase II inhibitor. Topoisomerase II inhibitor 4 triggers G2/M cell cycle arrest and shows anti-tumor activity with strong cytotoxic and anti-proliferative effect .
Topoisomerase I/II inhibitor 2 (compound 1a) is a potent Topoisomerase inhibitor (IC50= 9.82 μM on Huh7 cells and 6.83 μM on LM9 cells). Topoisomerase I/II inhibitor 2 has dual inhibition on DNA topoisomerase I/II, also can obviously reduce the growth of xenograft tumor in mice model. Topoisomerase I/II inhibitor 2 has the potential value in researching liver cancer .
Topoisomerase II inhibitor 10 (compound 32a) is a potent topoisomerase II inhibitor with an IC50 value of 7.45 μM. Topoisomerase II inhibitor 10 causes cell cycle arrest at G2-M phase and induces apoptosis of HepG-2 cells. Topoisomerase II inhibitor 10 has excellent anti-proliferative activities against HepG-2, MCF-7, and HCT-116 cells .
Topoisomerase I inhibitor 13 (Compound G11) is a Topo I inhibitor that inhibits cancer cell proliferation. Topoisomerase I inhibitor 13 significantly inhibits tumor growth in vivo .
Topoisomerase I/II inhibitor 3 (compound 7) is a potent topoisomerase I (Topo I) and II (Topo II) dual inhibitor. Topoisomerase I/II inhibitor 3 can inhibit cell proliferation, invasion and migration, and induce apoptosis by inhibiting PI3K/Akt/mTOR signaling pathway. Topoisomerase I/II inhibitor 3 can be used for liver cancer research .
Topoisomerase II inhibitor 9 (Compound 19b) is a Topo II inhibitor with an IC50 of 0.97 μM. Topoisomerase II inhibitor 9 is also a classical DNA-intercalator with an IC50 of 43.51 μM. Topoisomerase II inhibitor 9 arrests the cell cycle at the G2/M phase and induces apoptosis in Hep G‐2 cells .
Topoisomerase IV inhibitor 2 (compound 7d) is a potent DNA topoisomerase IV (TOPO IV) inhibitor with IC50s of 0.23 μM and 0.43 μM for TOPO IV and DNA gyrase, respectively. Topoisomerase IV inhibitor 2 has anti-bacterial activity, with MICs of 0.972 μM and 0.608 μM in Staphylococcus aureus Newman and Escherichia coli ATCC8739, respectively .
Topoisomerase IV inhibitor 2 (compound 5d) is a potent DNA topoisomerase IV (TOPO IV) inhibitor with IC50s of 0.35 μM and 0.55 μM for TOPO IV and DNA gyrase, respectively. Topoisomerase IV inhibitor 2 has anti-bacterial activity, with MICs of 1.985 μM and 0.744 μM in Staphylococcus aureus Newman and Escherichia coli ATCC8739, respectively .
Topoisomerase II inhibitor 3 (Compound 6 h ) is a acridone derivatives, as well as a Type II DNA topoisomerase (topo II) inhibitor , as a topo IIα/β inhibitor with the value of IC50 is 0.17 μM for topo IIα and the value of IC50 is 0.23 μM for topo IIβ subtypes, caused obvious DNA damage, and induced apoptosis by triggering the loss of mitochondrial membrane potential .
DNA topoisomerase II inhibitor 1 (compound 8ed) is a potent DNA topoisomerase II inhibitor. DNA topoisomerase II inhibitor 1 shows anti-proliferative activity. DNA topoisomerase II inhibitor 1 induces apoptosis and cell cycle arrest at sub G1 phase .
Type II topoisomerase inhibitor 1 is a potent and selective E. coliDNA gyrase inhibitor (IC50: 1.7 nM), and forms hydrogen bonds with Asp73 residue. Type II topoisomerase inhibitor 1 inhibits topoisomerase IV activity (IC50: 0.98 μM). Type II topoisomerase inhibitor 1 can be used in the research of antibacterial area .
Murrayanol is a natural carbazole alkaloid with a variety of biological activities. Murrayanol shows anti-inflammatory, topoisomerase I and topoisomerase II(Topoisomerase) inhibition activities. Murrayanol also as a mosquitocidal and antimicrobial .
Simmitecan hydrochloride, a 9-substituted lipophilic Camptothecin (HY-16560) derivative, is a potent topoisomerase I inhibitor. Simmitecan hydrochloride is an anticancer agent .
T-2513 is a selective topoisomerase I inhibitor. T-2513 binds covalently to and stabilizes the topoisomerase I-DNA complex and inhibits DNA replication and RNA synthesis, ultimately leading to cell death .
T-2513 hydrochloride is a selective topoisomerase I inhibitor. T-2513 hydrochloride binds covalently to and stabilizes the topoisomerase I-DNA complex and inhibits DNA replication and RNA synthesis, ultimately leading to cell death .
CP-67804 is a quinolone derivative, is a topoisomerase II-targeted agent. CP-67804 effectively enhances DNA cleavage mediated by eukaryotic topoisomerase II. CP-67804 has potential as an antineoplastic agent .
Rabdosiin is a tetramer of caffeic acid isolated from the stem of Ocimum sanctum. Rabdosiin possess anti-allergic activity, anti-HIV activity and inhibition on DNA topoisomerase .
Isodiospyrin, a natural dimeric naphthoquinone, is a human DNA topoisomerase I(Topoisomerase) inhibitor. Isodiospyrin can prevent both DNA relaxation and kinase activities of human topoisomerase I. Isodiospyrin shows anticancer, antibacterial and antifungal activities .
6,6′-Dihydroxythiobinupharidine is a cysteine proteases inhibitor. 6,6′-Dihydroxythiobinupharidine can enhance DNA cleavage mediated by human topoisomerase IIα and IIβ ~8-fold and ~3-fold, respectively .
Antibacterial agent 187 (IKE7) is a derivative containing imidazole and triazolacridone structures that target yeast topoisomerase II. Antibacterial agent 187 has antifungal activity and MIC value of resistance to fluconazole (HY-B0101) is 32-64 μg/mL .
1,4-Naphthoquinone is a potential pharmacophore for inhibition of both MAO (monoamine oxidase) and DNA topoisomerase activities, this latter associated with antitumor activity .
(4-NH2)-Exatecan, a topoisomerase inhibitor, is a derivative of Exatecan. (4-NH2)-Exatecan can be used in the synthesis of antibody-drug conjugates (ADCs) (US20200306243A1, compound A) .
Niranthin, a lignan with a wide spectrum of pharmacological activities. Niranthin is a potent and non-competitive inhibitor of heterodimeric type IB topoisomerase of L. donovani. Niranthin can be used for the research of drug-resistant leishmaniasis research.
ARN24139(compound 3f) is a topoisomerase II (topoII) inhibitor with the IC50 of 7.3 μM. ARN24139 can inhibit cancer cell proliferation and is well tolerated in vivo .
Elomotecan (BN 80927 free base) is a potent inhibitor of topoisomerases I and II. Elomotecan is a camptothecin analog belonging to the homocamptothecin family (hCPT). Elomotecan reduces the proliferation of different tumor cells with higher potency than other anticancer agents of reference targeting topoisomerases I and II .
Elomotecan hydrochloride (BN 80927) is a potent inhibitor of topoisomerases I and II. Elomotecan hydrochloride (BN 80927) is a camptothecin analog belonging to the homocamptothecin family (hCPT). Elomotecan hydrochloride (BN 80927) reduces the proliferation of different tumor cells with higher potency than other anticancer agents of reference targeting topoisomerases I and II .
Pixantrone (BBR 2778 (free base)) hydrochloride, a mitoxantrone analog, is a topoisomerase II inhibitor and DNA intercalator, with anti-tumor activity .
Isosteviol ((-)-Isosteviol) is a derivative of Stevioside through acid catalyzed hydrolysis of Stevioside. Isosteviol inhibits DNA polymerase and DNA topoisomerase and has antibacterial, anticancer and anti-tuberculosis effects .
Br-Val-Ala-NH2-bicyclo[1.1.1]pentane-7-MAD-MDCPT (Formula V) is a agent-linker conjugate that composed of a potent topoisomerase I inhibitor and a linker to make antibody agent conjugate (ADC) .
Coralyne chloride is a protoberberine alkaloid with potent anti-cancer activities. Coralyne chloride acts as a potent topoisomerase I poison and induces Top I mediated DNA cleavage . Coralyne chloride can be used for preparing coralyne derivatives as DNA binding fluorescent probes .
Diflomotecan (BN 80915) is a potent and orally active inhibitor of topoisomerase I. Diflomotecan (BN 80915) causes enhanced plasma stability and has the superior preclinical anti-tumour activity compared with other established compounds .
CL2E-SN-38, a highly releasable and structurally stable antibody-SN-38-conjugate, is a part of the antibody drug conjugate (ADC). SN-38, the active metabolite of Irinotecan from camptothecins, is an Topoisomerase I inhibitor .
CL2E-SN-38 TFA, a highly releasable and structurally stable antibody-SN-38-conjugate, is a part of the antibody drug conjugate (ADC). SN-38, the active metabolite of Irinotecan from camptothecins, is an Topoisomerase I inhibitor .
9-Chloromethyl-10-hydroxy-11-F-Camptothecin is a novel camptothecin derivatives. 9-Chloromethyl-10-hydroxy-11-F-Camptothecin is a DNA topoisomerase I (Topo I) inhibitor, can be used in anticancer research .
844-TFM is a NBTI (novel bacterial topoisomerase inhibitor) DNA gyrase inhibitor, with an IC50 of 1.5 μM. 844-TFM exhibits bactericidal properties against M. abscessus .
ARN-21934 is a potent, highly selective, blood-brain barrier (BBB) penetrant inhibitor for human topoisomerase II α over β. ARN-21934 inhibits DNA relaxation with an IC50 of 2 μM as compared to the anticancer agent Etoposide (IC50=120 μM). ARN-21934 exhibits a favorable in vivo pharmacokinetic profile and is a promising lead compound for anticancer research .
Zorubicin (Rubidazon) is a derivative of Daunorubicin (HY-13062A). Zorubicin interacts with topoisomerase II and inhibits DNA polymerases. Zorubicin can be used for the research of acute leukemias and sarcomas .
Mal-PEG8-amide-Val-Ala-(4-NH2)-Exatecan is a Drug-Linker Conjugates for ADC, which comprises a topoisomerase inhibitor and a linker for ligand unit connecting. Mal-PEG8-amide-Val-Ala-(4-NH2)-Exatecan can be used to synthesis antibody-drug conjugate (ADC) .
Seconeolitsine, an antibiotic, and is an inhibitor of targeting topoisomerase I (TopA). Seconeolitsine also is a new antimicrobial agent that can inhibit S. pneumoniae growth. Seconeolitsine can inhibit TopA relaxation activity with an IC50 value of 17 μM. Seconeolitsine can be used for the research of S. pneumoniae infections resistant to other antibiotics .
NU5455 is a potent, selective, and orally active inhibitor of DNA-PKcs. NU5455 administration increases both the efficacy and the toxicity of a parenterally administered topoisomerase inhibitor. NU5455 enhances the activity of Doxorubicin released locally in liver tumor xenografts without inducing any adverse effect .
MSN8C, an analog of mansonone E, is a novel catalytic inhibitor of human DNA topoisomerase II. MSN8C induces cancer cell apoptosis. MSN8C shows significant anti-tumor cell proliferation activity in vitro .
NBTIs-IN-5 (Compound 5r) is a NBTI (Novel Bacterial Topoisomerase Inhibitor) DNA gyrase inhibitor with an IC50 of 1.5 μM against Mycobacterium abscessus (Mabs) DNA gyrase. NBTIs-IN-5 inhibits Mabs bamboo bacterial growth with an MIC90 of 0.4 μM .
AuM1Phe, an N-Heterocyclic carbene (NHC) metal complexe, blocks the human topoisomerase I activity and actin polymerization reaction. AuM1Phe affects the growth of MDA-MB-231 breast cancer cells, with an IC50 value of 1.2 μM .
BNS-22 is a DNA topoisomerase II (TOP2) catalytic inhibitor with the IC50 values of 2.8 μM and 0.42 μM for human TOP2α and TOP2β, respectively. BNS-22 induces abnormal division and has anti-proliferative activity .
Top/HDAC-IN-1 (Compound 29b) is a topoisomerase/HDAC dual inhibitor with IC50s of 18, 230, 790, 87, and 5250 nM for HDAC1, HDAC2, HDAC3, HDAC6, and HDAC8, respectively. Top/HDAC-IN-1 exhibits potent antitumor activities against the HCT116 cell line with the IC50 of 180 nM. Top/HDAC-IN-1 efficiently induces apoptosis with G2 cell cycle arrest in HCT116 cells .
Camptothecin (CPT), a kind of alkaloid, is a DNA topoisomerase I (Topo I) inhibitor with an IC50 of 679 nM . Camptothecin (CPT) exhibits powerful antineoplastic activity against colorectal, breast, lung and ovarian cancers, modulates hypoxia-inducible factor-1α (HIF-1α) activity by changing microRNAs (miRNA) expression patterns in human cancer cells .
Enoxacin (AT 2266), a fluoroquinolone, interferes with DNA replication and inhibits bacterial DNA gyrase (IC50=126 µg/ml) and topoisomerase IV (IC50=26.5 µg/ml). Enoxacin is a miRNA processing activator and enhances siRNA-mediated mRNA degradation and promotes the biogenesis of endogenous miRNAs. Enoxacin has potent activities against gram-positive and -negative bacteria. Enoxacin is a cancer-specific growth inhibitor that acts by enhancing TAR RNA-binding protein 2 (TRBP)-mediated microRNA processing .
Enoxacin hydrate (Enoxacin sesquihydrate), a fluoroquinolone, interferes with DNA replication and inhibits bacterial DNA gyrase (IC50=126 µg/ml) and topoisomerase IV (IC50=26.5 µg/ml). Enoxacin hydrate is a miRNA processing activator and enhances siRNA-mediated mRNA degradation and promotes the biogenesis of endogenous miRNAs. Enoxacin hydrate has potent activities against gram-positive and -negative bacteria. Enoxacin hydrate is a cancer-specific growth inhibitor that acts by enhancing TAR RNA-binding protein 2 (TRBP)-mediated microRNA processing .
CL2A-SN-38 is a agent-linker conjugate composed of a potent a DNA Topoisomerase I inhibitor SN-38 and a linker CL2A to make antibody agent conjugate (ADC). CL2A-SN-38 provides significant and specific antitumor effects against a range of human solid tumor types. CL2A-SN-38 uses hydrolyzable linker to deliver active agents within tumor cells and in the tumor microenvironment, resulting in bystander effects .
Rebeccamycin, an antitumor antibiotic, inhibits DNA topoisomerase I. Rebeccamycin appears to exert its primary antineoplastic effect by poisoning topoisomerase I and has negligible effect on protein kinase C and topoisomerase II .
Batracylin (NSC320846) is a potent DNA Topoisomerases I and DNA Topoisomerases II inhibitor. Batracylin shows cytotoxicity and antiproliferative activity. Batracylin induces DNA breaks .
Suramin is a reversible and competitive protein-tyrosine phosphatases (PTPases) inhibitor . Suramin is a potent inhibitor of sirtuins: SirT1 (IC50=297 nM), SirT2 (IC50=1.15 μM), and SirT5 (IC50=22 μM) . Suramin is a competitive inhibitor of reverse transcriptase (DNA topoisomerase II: IC50=5 μM) . Suramin is a potent SARS-CoV-2 RNA-dependent RNA polymerase (RdRp) inhibitor .Suramin efficiently inhibits IP5K and is an antiparasitic, anti-neoplastic and anti-angiogenic agent .
Irinotecan-d10 (hydrochloride) is the deuterium labeled Irinotecan. Irinotecan ((+)-Irinotecan) is a topoisomerase I inhibitor, preventing religation of the DNA strand by binding to topoisomerase I-DNA complex[1][2].
Irinotecan-d10 is a deuterium labeled Irinotecan ((+)-Irinotecan). Irinotecan ((+)-Irinotecan) is a topoisomerase I inhibitor, preventing religation of the DNA strand by binding to topoisomerase I-DNA complex[1].
Suramin sodium salt (Suramin hexasodium salt) is a reversible and competitive protein-tyrosine phosphatases (PTPases) inhibitor . Suramin sodium salt is a potent inhibitor of sirtuins: SirT1 (IC50=297 nM), SirT2 (IC50=1.15 μM), and SirT5 (IC50=22 μM) . Suramin sodium salt is a competitive inhibitor of reverse transcriptase (DNA topoisomerase II: IC50=5 μM) . Suramin sodium salt is a potent SARS-CoV-2 RNA-dependent RNA polymerase (RdRp) inhibitor . Suramin sodium salt efficiently inhibits IP5K and is an antiparasitic, anti-neoplastic and anti-angiogenic agent .
Netropsin dihydrochloride is a small-molecule MGB (minor-groove binder), inhibits the catalytic activity of isolated topoisomerase and interferes with the stabilization of the cleavable complexes of topoisomerase II and I in nuclei . Netropsin dihydrochloride exhibits antiviral activity against the vaccinia virus .
Merbarone (NSC 336628) is an orally active inhibitor of topoisomerase II. Merbarone acts primarily by blocking topoisomerase II-mediated DNA cleavage without stabilizing topo II-DNA covalent complexes. Merbarone is an anticancer agent .
Doxorubicinone is a metabolite of an anti-cancer chemotherapy agent Doxorubicin . Doxorubicin is a potent human DNA topoisomeraseI and topoisomerase II inhibitor with IC50s of 0.8 μM and 2.67 μM, respectively.
Alternariol is a mycotoxin produced by Alternaria species. AOH inhibits the catalytic activity of topoisomerase I and topoisomerase II enzymes . Alternariol exhibits a variety of therapeutic and biological properties such as phytotoxicity, cytotoxicity, anti-HIV, anti-cancer, and anti-microbial properties .
Luotonin A is an antiviral and antiphytopathogenic fungus agent. Luotonin A has good antiviral activity against tobacco mosaic virus (TMV). Luotonin A also has certain inhibitory activity on topoisomerase I and topoisomerase II. Luotonin A shows antitumor activity .
DACA inhibits two essential nuclear enzymes in vitro, DNA topoisomerase I and DNA topoisomerase (topo) II. DACA stabilises topo I, topo II alpha, and topo II beta cleavable complexes in human leukaemia CCRF-CEM cells .
Pericosine A ((+)-Pericosine A) is a topoisomerase II (Topoisomerase II) inhibitor that can be isolated from the Periconia byssoides strain. Pericosine A has significant antitumor activity in vitro and in vivo and can be used in cancer research. Pericosine A also inhibits the protein kinase epidermal growth factor receptor .
Doxorubicinone-d3 is the deuterium labeled Doxorubicinone. Doxorubicinone is a metabolite of an anti-cancer chemotherapy agent Doxorubicin[1]. Doxorubicin is a potent human DNA topoisomerase I and topoisomerase II inhibitor with IC50s of 0.8 μM and 2.67 μM, respectively.
Becatecarin is a rebeccamycin analog with antitumor effects. Becatecarin intercalates into DNA and inhibites the catalytic activity of topoisomerases I/II.
Pirarubicin is an anthracycline antibiotics, acts as a topoisomerase II inhibitor, and is a widely used for treatment of various cancers, in particular, solid tumors.
Pirarubicin Hydrochloride is an anthracycline antibiotics, acts as a topoisomerase II inhibitor, and is a widely used for treatment of various cancers, in particular, solid tumors.
Doxorubicin (Hydroxydaunorubicin) hydrochloride, a cytotoxic anthracycline antibiotic, is an anti-cancer chemotherapy agent. Doxorubicin hydrochloride is a potent human DNA topoisomerase I and topoisomerase II inhibitor with IC50s of 0.8 μM and 2.67 μM, respectively. Doxorubicin hydrochloride reduces basal phosphorylation of AMPK and its downstream target acetyl-CoA carboxylase. Doxorubicin hydrochloride induces apoptosis and autophagy .
Voreloxin Hydrochloride is a first-in-class topoisomerase II inhibitor that intercalates DNA and induces site-selective DNA DSB, G2 arrest, and apoptosis.
Idarubicin hydrochloride is an anthracycline antileukemic agent. It inhibits the topoisomerase II interfering with the replication of DNA and RNA transcription. Idarubicin hydrochloride inhibits the growth of bacteria and yeasts.
Amsacrine (m-AMSA; acridinyl anisidide) is an inhibitor of topoisomerase II, and acts as an antineoplastic agent which can intercalates into the DNA of tumor cells.
Amsacrine hydrochloride (m-AMSA hydrochloride; acridinyl anisidide hydrochloride) is an inhibitor of topoisomerase II, and acts as an antineoplastic agent which can intercalates into the DNA of tumor cells.
Berberine chloride is an alkaloid that acts as an antibiotic. Berberine chloride induces reactive oxygen species (ROS) generation and inhibits DNA topoisomerase. Antineoplastic properties .
Banoxantrone dihydrochloride is a novel bioreductive agent that can be reduced to a stable, DNA-affinic compound AQ4, which is a potent topoisomerase II inhibitor.
MC-DOXHZN ((E/Z)-Aldoxorubicin) hydrochloride is an albumin-binding proagent of Doxorubicin (DNA topoisomerase II inhibitor), with acid-sensitive properties .
Gatifloxacin hydrochloride (AM-1155; BMS-206584; PD135432) is a potent fluoroquinolone antibiotic with broad-spectrum antibacterial activity. Gatifloxacin hydrochloride inhibits bacterial type II topoisomerases (IC50=13.8 μg/ml for S. aureustopoisomerase IV) and E. coliDNA gyrase (IC50 = 0.109 μg/ml) . Gatifloxacin hydrochloride can be used to treat bacterial conjunctivitis in vivo.
Gatifloxacin mesylate (AM-1155; BMS-206584; PD135432) is a potent fluoroquinolone antibiotic with broad-spectrum antibacterial activity. Gatifloxacin mesylate inhibits bacterial type II topoisomerases (IC50=13.8 μg/ml for S. aureustopoisomerase IV) and E. coliDNA gyrase (IC50 = 0.109 μg/ml) . Gatifloxacin mesylate can be used to treat bacterial conjunctivitis in vivo.
Ganoderic acid X is a lanostanoid triterpene that can be extracted from Ganoderma amboinense. Ganoderic acid X inhibits topoisomerases and induces apoptosis of cancer cells .
Aurintricarboxylic acid is a nanomolar-potency, allosteric antagonist with selectivity towards αβ-methylene-ATP-sensitive P2X1Rs and P2X3Rs, with IC50s of 8.6 nM and 72.9 nM for rP2X1R and rP2X3R, respectively . Aurintricarboxylic acid is a potent anti-influenza agent by directly inhibiting the neuraminidase . Aurintricarboxylic acid is an inhibitor of topoisomerase II and apoptosis . Aurintricarboxylic acid is a selective inhibitor of the TWEAK-Fn14 signaling pathway . Aurintricarboxylic acid also acts as a cystathionine-lyase (CSE) inhibitor with an IC50 of 0.6 μM . Aurintricarboxylic acid is a modifier of miRNAs that regulate miRNA function, with an IC50 of 0.47 µM .
Gatifloxacin (AM-1155; BMS-206584; PD135432) is a potent fluoroquinolone antibiotic with broad-spectrum antibacterial activity. Gatifloxacin inhibits bacterial type II topoisomerases (IC50=13.8 μg/ml for S. aureustopoisomerase IV) and E. coliDNA gyrase (IC50=0.109 μg/ml) . Gatifloxacin can be used to treat bacterial conjunctivitis in vivo.
Gatifloxacin sesquihydrate (AM-1155; BMS-206584; PD135432) is a potent fluoroquinolone antibiotic with broad-spectrum antibacterial activity. Gatifloxacin sesquihydrate inhibits bacterial type II topoisomerases (IC50=13.8 μg/ml for S. aureustopoisomerase IV) and E. coliDNA gyrase (IC50 = 0.109 μg/ml) . Gatifloxacin sesquihydrate can be used to treat bacterial conjunctivitis in vivo.
Doxorubicin-SMCC is a agent-linker conjugate for ADC. Doxorubicin-SMCC contains a non-cleavable ADC linker and a DNA topoisomerase II inhibitor Doxorubicin .
Podofilox-d6 is the deuterium labeled Podofilox. Podofilox (Podophyllotoxin) is a potent inhibitor of microtubule assembly and DNA topoisomerase II[1][2].
NBTIs-IN-6 is a bacterial topoisomerase inhibitor with certain antibacterial activity. Among them, the MIC90 for fluoroquinolone-resistant MRSA was 2 μg/mL .
Exatecan mesylate (DX8951f) is a DNA topoisomerase I inhibitor, with an IC50 of 2.2 μM (0.975 μg/mL). Exatecan mesylate can be used in cancer research.
Berberine chloride hydrate (Natural Yellow 18 chloride hydrate) is an alkaloid that acts as an antibiotic. Berberine chloride hydrate induces reactive oxygen species (ROS) generation and inhibits DNA topoisomerase. Antineoplastic properties .
Belotecan-d7 (hydrochloride) is the deuterium labeled Belotecan hydrochloride. Belotecan hydrochloride (CKD-602 hydrochloride), a Topoisomerase I inhibitor, is a synthetic camptothecin derivative[1][2].
MCC-Modified Daunorubicinol is a drug-Linker conjugates for ADC, which is composed of Modified Daunorubicinol (DNA topoisomerase II inhibitor) and MCC (ADC linker) linked .
Gatifloxacin-d3 (hydrochloride) is the deuterium labeled Gatifloxacin (hydrochloride). Gatifloxacin hydrochloride (AM-1155; BMS-206584; PD135432) is a potent fluoroquinolone antibiotic with broad-spectrum antibacterial activity. Gatifloxacin hydrochloride inhibits bacterial type II topoisomerases (IC50=13.8 μg/ml for S. aureus topoisomerase IV) and E. coli DNA gyrase (IC50 = 0.109 μg/ml). Gatifloxacin hydrochloride can be used to treat bacterial conjunctivitis in vivo.
NBTIs-IN-4 demonstrates potent antibacterial activity against diverse Gram-positive pathogens, inhibition of both DNA gyrase and topoisomerase IV, a low frequency of resistance.
Sabarubicin is a doxorubicin disaccharide analogue with striking antitumor activity. Sabarubicin is more effective than doxorubicin as a topoisomerase II poison and stimulated DNA fragmentation at lower intracellular concentrations.
SN-38 glucuronide is an inactive metabolite of the cancer agent Irinotecan. Irinotecan is a topoisomerase I inhibitor which can be used for researching colon and rectal cancer .
Desethylene Ciprofloxacin hydrochloride is a major metabolite of Ciprofloxacin (HY-B0356). Ciprofloxacin is an orally active topoisomerase IV inhibitor. Desethylene Ciprofloxacin hydrochloride has antibacterial activity .
Doxorubicin (Hydroxydaunorubicin), a broad-spectrum anthracycline antibiotic with cytotoxic properties, is an anti-cancer chemotherapy agent. Doxorubicin has fluorescence properties. Doxorubicin inhibits topoisomerase II with an IC50 of 2.67 μM, thus stopping DNA replication. Doxorubicin reduces basal phosphorylation of AMPK and its downstream target acetyl-CoA carboxylase. Doxorubicin induces apoptosis and autophagy . Doxorubicin inhibits human DNA topoisomerase I with an IC50 of 0.8 μM .
Difloxacin hydrochloride is a broad-spectrum antibacterial agent. Difloxacin hydrochloride inhibits bacterial DNA gyrase and exhibits a concentration-dependant bactericidal effect by interference with the activity of DNA gyrase and topoisomerase IV .
PluriSIn #2 is a selective transcriptional inhibitor of topoisomerase II α (TOP2A). PluriSIn #2 is a compound that selectively eliminates undifferentiated human pluripotent stem cells (hPSCs) .
Hippeastrine, an active alkaloid, exhibits a good dose-dependent inhibitory effect against topoisomerase I (Top I) with an IC50 at 7.25 μg/mL. Antiproliferative and anticancer activities .
12-Ethyl-9-hydroxycamptothecin is a derivative of Camptothecin. Camptothecin (CPT), a kind of alkaloid, is a DNA topoisomerase I (Topo I) inhibitor with an IC50 of 679 nM .
Voreloxin (SNS-595; Vosaroxin; AG 7352) is a first-in-class topoisomerase II inhibitor that intercalates DNA and induces site-selective DNA DSB, G2 arrest, and apoptosis.
Podocarpusflavone A is a DNA topoisomerase I inhibitor. Podocarpusflavone A has moderated anti-proliferative activity and induces cell apoptosis in MCF-7. Podocarpusflavone A is developing anti-tumor agents .
AZD5099, an antibacterial agent, is a potent and selective bacterial topoisomerase II inhibitor. AZD5099 potently inhibits the infections caused by Gram-positive and fastidious Gram-negative bacteria .
HSP90-IN-13 (compound 5k) is a highly potent HSP90 pan inhibitor with an IC50 value of 25.07 nM. HSP90-IN-13 has multi-target activity against EGFR, VEGFR-2 and Topoisomerase-2. HSP90-IN-13 causes cell cycle arrest at G2/M phase and induces apoptosis of MCF-7 cells through mitochondrial-mediated pathway .
β-Lapachone (ARQ-501;NSC-26326) is a naturally occurring O-naphthoquinone, acts as a topoisomerase I inhibitor, and induces apoptosis by inhibiting cell cycle progression.
Banoxantrone-d12 (dihydrochloride) is the deuterium labeled Banoxantrone dihydrochloride. Banoxantrone is a novel bioreductive agent that can be reduced to a stable, DNA-affinic compound AQ4, which is a potent topoisomerase II inhibitor.
Banoxantrone-d12 is the deuterium labeled banoxantrone. Banoxantrone is a novel bioreductive agent that can be reduced to a stable, DNA-affinic compound AQ4, which is a potent topoisomerase II inhibitor.
CP-67015, a quinolone antibiotic, is a potent topoisomerase II inhibitor. CP-67015 is a positive direct-acting mutagen in mammalian cells with both gene and chromosomal level effects .
XR11576 (MLN576) is an orally active inhibitor of topoisomerase I and II. XR11576 shows cytotoxicity against human and murine tumor cell lines (IC50: 6-47 nM) .
Artemisitene, a natural derivative of Artemisinin, is a Nrf2 activator with antioxidant and anticancer activities. Artemisitene activates Nrf2 by decreasing Nrf2 ubiquitination and increasing its stability .
Bisantrene is a highly effective antitumor agent, it exerts its cytotoxicity by affecting DNA intercalation. Bisantrene targets eukaryotic type II topoisomerases. Bisantrene is a substrate of MDR1 .
DPBQ activates p53 and triggers apoptosis in a polyploid-specific manner, but does not inhibit topoisomerase or bind DNA. DPBQ elicits expression and phosphorylation of p53 and this effect is specific to tetraploid cells .
Chloroquinoxaline sulfonamide (Chloroquinoxaline), a structural analogue of sulfaquinoxaline, is a topoisomerase II alpha/beta poison. Chloroquinoxaline sulfonamide is used to control coccidiosis in poultry, rabbit, sheep, and cattle . Antitumor activity .
Berberine-d6 (chloride) is the deuterium labeled Berberine chloride. Berberine chloride is an alkaloid that acts as an antibiotic. Berberine chloride induces reactive oxygen species (ROS) generation and inhibits DNA topoisomerase. Antineoplastic properties[1].
Flumequine- 13C3 is the 13C3 labeled Flumequine. Flumequine (R-802) is a quinolone antibiotic, and acts as a topoisomerase II inhibitor, with an IC50 of 15 μM (3.92 μg/mL).
Bisantrene dihydrochloride is a highly effective antitumor agent, it exerts its cytotoxicity by affecting DNA intercalation. Bisantrene dihydrochloride targets eukaryotic type II topoisomerases. Bisantrene dihydrochloride is a substrate of MDR1 .
Betulinic acid is a natural pentacyclic triterpenoid, acts as a eukaryotic topoisomerase I inhibitor, with an IC50 of 5 μM, and possesses anti-HIV, anti-malarial, anti-inflammatory and anti-tumor properties .
Dxd (Exatecan derivative for ADC) is a potent DNA topoisomerase I inhibitor, with an IC50 of 0.31 μM, used as a conjugated drug of HER2-targeting ADC (DS-8201a).
Exatecan mesylate (DX8951f ) GMP is a GMP-class Exatecan (HY-13631). Exatecan is a DNA topoisomerase I inhibitor, with an IC50 of 2.2 μM (0.975 μg/mL), and can be used in cancer research.
Luotonin F is an alkaloid found in the aerial parts of the P. nigellastrum Bunge. Luotonin F shows cytotoxic activity against mouse leukemia P-388 cells by inhibiting human topoisomerase II .
Etoposide (VP-16; VP-16-213) is an anti-cancer chemotherapy agent. Etoposide inhibits topoisomerase II, thus stopping DNA replication. Etoposide induces cell cycle arrest, apoptosis and autophagy .
Bimolane (AT-1727), a human topoisomerase II inhibitor, can be used as an anti-neoplastic agent and for the research of psoriasis. Bimolane shows leukemogenic activity and induces multiple types of chromosomal aberrations in human lymphocytes .
Topotecan hydrochloride hydrate is an orally active and potent Topoisomerase I inhibitor. Topotecan hydrochloride hydrate induces cell cycle arrest in G0/G1 and S phases and promotes apoptosis. Topotecan hydrochloride hydrate shows anticancer activity .
Belotecan (CKD-602 free base) is a DNA topoisomerase I inhibitor. Belotecan induces cell apoptosis and cell-cycle arrest. Belotecan is a camptothecin analogue with anti-tumor effects, it can be used for the research of cancer .
(S)-Benzyl 2-cyclopropyl-2-hydroxyacetate is an intermediate reactant in the synthesis of Camptothecin (HY-16560). Camptothecin is an inhibitor of the DNA topoisomeraseTopo I, withIC50=679 nM .
SN-38 is an active metabolite of the Topoisomerase I inhibitor Irinotecan. SN-38 inhibits DNA and RNA synthesis with IC50s of 0.077 and 1.3 μM, respectively .
Mitoxantrone-d8 (mitozantrone-d8) is the deuterium labeled Mitoxantrone. Mitoxantrone is a topoisomerase II inhibitor and also inhibits protein kinase C (PKC) activity with an IC50 of 8.5 μM[1][2].
Chrysomycin B is an antibiotic isolated from a strain of Streptomyces. Chrysomycin B causes DNA damage in the human lung adenocarcinoma A549 cell line and inhibits topoisomerase II. Chrysomycin B suppresses the growth of transplantable tumors in mice.
MC-Gly-Gly-Phe-Gly-(R)-Cyclopropane-Exatecan is a agent-linker conjugates for ADC, consisting Exatecan (HY-13631). Exatecan is a DNA Topoisomerase I inhibitor (IC50=2.2 μM) .
MC-Gly-Gly-Phe-Gly-(R)-Cyclopropane-Exatecan is a agent-linker conjugates for ADC, consisting Exatecan (HY-13631). Exatecan is a DNA Topoisomerase I inhibitor (IC50=2.2 μM) .
SN38-COOH is used for the synthesis of antibody-drug conjugates (ADCs). SN-38 is an active metabolite of the Topoisomerase I inhibitor Irinotecan. SN-38 inhibits DNA and RNA synthesis .
Ac-Exatecan is acetylated Exatecan (HY-13631). Exatecan (DX-8951) is a common toxin component in ADC preparation (ADC Cytotoxin) and an inhibitor of DNA topoisomerase I (IC50=2.2 μM) .
Rubitecan (RFS 2000), a Camptothecin derivative, is an orally active topoisomerase I inhibitor with broad antitumor activity, and induces protein-linked DNA single-strand breaks, thereby blocking DNA and RNA synthesis in dividing cells .
9-Methoxycamptothecin (MCPT), isolated from Camptotheca acuminata, has antitumor activities through topoisomerase inhibition. 9-Methoxycamptothecin (MCPT) induces strong G2/M arrest and apoptosis in cancer .
Chimmitecan ((S)-9-Allyl-10-Hydroxycamptothecin), a novel 9-small-alkyl-substituted lipophilic Camptothecin (HY-16560), is a potent inhibitor of topoisomerase I. Chimmitecan exhibits anticancer activity .
Exatecan analog 36 is a analog of Exatecan (HY-13631). Exatecan (DX-8951) is a common toxin component in ADC preparation (ADC Cytotoxin) and an inhibitor of DNA topoisomerase I (IC50=2.2 μM) .
Heliquinomycin is an inhibitor of DNA helicase (Ki: 6.8 μM) and inhibits DNA and RNA synthesis. Heliquinomycin is effective against Gram-positive bacteria strains. Heliquinomycin inhibits cancer cell growth .
Groenlandicine is a protoberberine alkaloid isolated from Coptidis Rhizoma. Groenlandicine exhibits moderate inhibitory effect with IC50 value of 154.2 μM for human recombinant aldose reductase (HRAR) . Groenlandicine selectively induces topoisomerase I-mediated DNA cleavage .
Pyrazoloacridine (NSC 366140), an intercalating agent with anti-cancer activity, inhibits the activity of topoisomerases 1 and 2. Pyrazoloacridine (NSC 366140) exhibits an IC50 of 1.25 μM in K562 myeloid leukemia cells for 24 h treatment .
Dxd-d5 is a deuterium labeled Dxd. Dxd is a potent DNA topoisomerase I inhibitor, with an IC50 of 0.31 μM, used as a conjugated drug of HER2-targeting ADC (DS-8201a) [1].
Exatecan intermediate 8 is an intermediate for the synthesis of Exatecan (HY-13631). Exatecan (DX-8951) is a common toxin component in ADC preparation (ADC Cytotoxin) and an inhibitor of DNA topoisomerase I (IC50=2.2 μM) .
Exatecan intermediate 9 is an intermediate for the synthesis of Exatecan (HY-13631). Exatecan (DX-8951) is a common toxin component in ADC preparation (ADC Cytotoxin) and an inhibitor of DNA topoisomerase I (IC50=2.2 μM) .
Exatecan intermediate 11 is an intermediate for the synthesis of Exatecan (HY-13631). Exatecan (DX-8951) is a common toxin component in ADC preparation (ADC Cytotoxin) and an inhibitor of DNA topoisomerase I (IC50=2.2 μM) .
Exatecan intermediate 10 is an intermediate in the synthesis of Exatecan (HY-13631).Exatecan (DX-8951) is a DNA topoisomerase I inhibitor with an IC50 of 2 .2 μM (0 .975 μg/mL) for use in cancer research .
Val-Cit-PAB-DEA-Dxd (compound 81) is a Drug-Linker Conjugates for ADC, which is composed of a linker and a toxic molecule Dxd (DNA topoisomerase I inhibitor). Val-Cit-PAB-DEA-Dxd can be used for ADC synthesis .
Topotecan (SKF 104864A; NSC 609669) is an orally active and potent Topoisomerase I inhibitor. Topotecan induces cell cycle arrest in G0/G1 and S phases and promotes apoptosis. Topotecan shows anticancer activity .
TP3011 (CH0793011) is an active metabolite of CH-0793076 and is a potent topoisomerase I inhibitor equipotent as SN38 . TP3011 is against cancer cell lines growth with IC50s at the range sub-nanomolar in vitro .
Etoposide phosphate (BMY-40481) is a potent anti-cancer chemotherapy agent and a selective topoisomerase II inhibitor to prevent re-ligation of DNA strands. Etoposide phosphate is the phosphate ester proagent of etoposide and is considered as active equivalent to Etoposide. Etoposide phosphate induces cell cycle arrest, apoptosis, and autophagy.
Berberine sulfate is an alkaloid isolated from the Chinese herbal medicine Huanglian, as an antibiotic. Berberine sulfate induces reactive oxygen species (ROS) generation and inhibits DNA topoisomerase. Berberine sulfate has antineoplastic properties. The sulfate form improves bioavailability .
Doxorubicin- 13C,d3 (TFA) is the deuterium and 13C labeled Doxorubicin. Doxorubicin (Hydroxydaunorubicin), a cytotoxic anthracycline antibiotic, is an anti-cancer chemotherapy agent. Doxorubicin inhibits topoisomerase II with an IC50 of 2.67 μM, thus stoppin
Propargyl-PEG4-GGFG-DXd is a drug-linker conjugate for ADC. Propargyl-PEG4-GGFG-DXd contains a ADC linker and a DNA topoisomerase I inhibitor DXd (HY-13631D) .
Mc-VC-PAB-SN38 consists a cleavable ADC linker (Mc-VC-PAB) and a DNA topoisomerase I inhibitor (SN38). Mc-VC-PAB-SN38 can be used in the synthesis of antibody-drug conjugates (ADCs) .
erythro-Austrobailignan-6 is an orally active anti-cancer agent. erythro-Austrobailignan-6 inhibits DNA topoisomerase I and II activity. erythro-Austrobailignan-6 induces cell apoptosis and increases phosphorylation of p38 and JNK .
Val-Cit-PAB-Exatecan (Val-Cit-PAB-DX8951) is a agent-linker conjugate for ADC. Val-Cit-PAB-Exatecan is composed of a DNA topoisomerase I DX-8951 (HY-13631) and a cathepsin cleavable ADC linker .
Aldoxorubicin (INNO-206) is an albumin-binding proagent of Doxorubicin (DNA topoisomerase II inhibitor), which is released from albumin under acidic conditions. Aldoxorubicin (INNO-206) has potent antitumor activities in various cancer cell lines and in murine tumor models.
Nalidixic acid, a quinolone antibiotic, is effective against both gram-positive and gram-negative bacteria. Nalidixic acid acts in a bacteriostatic manner in lower concentrations and is bactericidal in higher concentrations. Nalidixic acid inhibits a subunit of DNA gyrase and topoisomerase IV and reversibly blocks DNA replication in susceptible bacteria .
Cerulenin, a potent, natural inhibitor of fatty acid synthase (FASN), is an epoxide produced by the fungus Cephalosporium caeruleus. Cerulenin inhibits topoisomerase I catalytic activity and augments SN-38-induced apoptosis. Cerulenin has antifungal and antitumor activies .
Camptothecin-20(S)-O-propionate (CZ48), the C20-propionate ester of CPT, is a highly effective anticancer agent. Camptothecin-20(S)-O-propionate (CZ48) is a topoisomerase-Ι inhibitor .
Aclacinomycin A (Aclarubicin) is an orally active and potent anthracycline antitumor antibiotic. Aclacinomycin A is an inhibitor of topoisomerase I and II. Aclacinomycin A inhibits synthesis of nucleic acid, especially RNA. Aclacinomycin A might inhibit the 26S protease complex as well as the ubiquitin-ATP-dependent proteolysis .
Aclacinomycin A (Aclarubicin) hydrochloride is an orally active and potent anthracycline antitumor antibiotic. Aclacinomycin A hydrochloride is an inhibitor of topoisomerase I and II. Aclacinomycin A hydrochloride inhibits synthesis of nucleic acid, especially RNA. Aclacinomycin A hydrochloride might inhibit the 26S protease complex as well as the ubiquitin-ATP-dependent proteolysis .
Aldoxorubicin (INNO-206) hydrochloride is an albumin-binding proagent of Doxorubicin (DNA topoisomerase II inhibitor), which is released from albumin under acidic conditions. Aldoxorubicin hydrochloride (INNO-206) has potent antitumor activities in various cancer cell lines and in murine tumor models.
Epirubicin hydrochloride (4'-Epidoxorubicin hydrochloride), a semisynthetic L-arabino derivative of doxorubicin, has an antineoplastic agent by inhibiting Topoisomerase . Epirubicin hydrochloride inhibits DNA and RNA synthesis. Epirubicin hydrochloride is a Forkhead box protein p3 (Foxp3) inhibitor and inhibits regulatory T cell activity .
Epirubicin (4'-Epidoxorubicin), a semisynthetic L-arabino derivative of doxorubicin, has an antineoplastic agent by inhibiting Topoisomerase . Epirubicin inhibits DNA and RNA synthesis. Epirubicin is a Forkhead box protein p3 (Foxp3) inhibitor and inhibits regulatory T cell activity .
Zoliflodacin (ETX0914;AZD0914) is a novel spiropyrimidinetrione bacterial DNA gyrase/topoisomerase inhibitor. Zoliflodacin has potent in vitro antibacterial activity against Gram-positive and Gram-negative organisms, including S. aureus with the MIC90 of 0.25 μg/mL.
Nalidixic acid sodium salt, a quinolone antibiotic, is effective against both gram-positive and gram-negative bacteria. Nalidixic acid acts in a bacteriostatic manner in lower concentrations and is bactericidal in higher concentrations. Nalidixic acid inhibits a subunit of DNA gyrase and topoisomerase IV and reversibly blocks DNA replication in susceptible bacteria .
MC-Val-Cit-PAB-Exatecan (MC-Val-Cit-PAB-DX8951) is a agent-linker conjugate for ADC. MC-Val-Cit-PAB-Exatecan is composed of a DNA topoisomerase I DX-8951 (HY-13631) and a cathepsin cleavable ADC linker.
1,4-Naphthoquinone-d6 is the deuterium labeled 1,4-Naphthoquinone[1]. 1,4-Naphthoquinone is a potential pharmacophore for inhibition of both MAO (monoamine oxidase) and DNA topoisomerase activities, this latter associated with antitumor activity[2].
Camptothecin-20(S)-O-propionate (Camptothecin-20-O-propionate) hydrate, the C20-propionate ester of CPT, is a highly effective anticancer agent. Camptothecin-20(S)-O-propionate hydrate is a topoisomerase-Ι inhibitor .
DRF-1042 is an orally active derivative of Camptothecin. DRF-1042 acts to inhibit DNA topoisomerase I. DRF-1042 shows good anticancer activity against a panel of human cancer cell lines including multi-agent resistance (MDR) phenotype .
Etoposide phosphate disodium (BMY-40481 disodium) is a potent anti-cancer chemotherapy agent and a selective topoisomerase II inhibitor to prevent re-ligation of DNA strands. Etoposide phosphate disodium is the phosphate ester proagent of etoposide and is considered as active equivalent to Etoposide. Etoposide phosphate disodium induces cell cycle arrest, apoptosis, and autophagy.
Antitumor agent-63 (Compound 40), a 20 (S)-O-linked camptothecin (CPT) glycoconjugate, is an antitumor agent without toxicity towards normal cells. Antitumor agent-63 shows high stability and very weak direct topoisomerase I (Topo I) inhibition .
NH2-bicyclo[1.1.1]pentane-7-MAD-MDCPT (compound I) is a topoisomerase I inhibitor, which can be delivered to cells through conjugated antibody targeting, and has good ADC activity in vivo and in vitro .
Banoxantrone (AQ4N), as a prototype hypoxia selective cytotoxin, can be reduced to AQ4, a potent topoisomerase II inhibitor. Banoxantrone selectively kills hypoxic cells via an iNOS-dependent mechanism. Banoxantrone shows a potent cytotoxicity and hypoxia-selective effect enhanced by radiation .
NH2-bicyclo[1.1.1]pentane-7-MAD-MDCPT (compound I) hydrochloride is a topoisomerase I inhibitor, which can be delivered to cells through conjugated antibody targeting, and has good ADC activity in vivo and in vitro .
Antitumor agent-102 (compound 10) is a conjugate of Topoisomerase I inhibitor SN38 and glucose transporter inhibitor, targeting to colorectal cancer. Antitumor agent-102 induces higher concentrations of free SN38 in tumor tissues than Irinotecan (HY-16562) .
Val-Ala-PABC-Exatecan is a Drug-Linker Conjugates for ADC，consiting of a cleavable Tesirine linker (Val-Ala-PABC) and Exatecan (topoisomerase I inhibitor，HY-13631). Val-Ala-PABC-Exatecan can be used for ADC molecues synthesis，such as Mal-PEGn-amide-va-Exatecan .
Salicylaldoxime is an organic compound, that has been used as a reagent for the gravimetric determination and separation of Cooper, Nickel, Palladium, Lead, Bismuth and Zine. The copper complex of Salicylaldoxime has anticancer activity .
RPR121056 (APC) is a metabolite of Irinotecan (CPT-11), which is generated by CYP3A4. Irinotecan (CPT-11) is an antineoplastic agent that inhibits topoisomerase type I, causing cell death, and is widely used in the treatment of colorectal cancer. Irinotecan also directly inhibits AChE .
NH2-methylpropanamide-Exatecan TFA is a methylpropanamide-modified Exatecan (HY-13631), which is the common ADC Cytotoxin used in the synthesis of ADC. Exatecan is a DNA topoisomerase I inhibitor, with an IC50 of 2.2 μM (0.975 μg/mL), and can be used in cancer research .
Val-Ala-PABC-Exatecan trifluoroacetate is a Drug-Linker Conjugates for ADC, consiting of a cleavable Tesirine linker (Val-Ala-PABC) and Exatecan (topoisomerase I inhibitor, HY-13631). Val-Ala-PABC-Exatecan trifluoroacetate can be used for ADC molecues synthesis, such as Mal-PEGn-amide-va-Exatecan .
PNU-159682, a metabolite of the anthracycline Nemorubicin, is a highly potent DNA topoisomerase II inhibitor with excellent cytotoxicity. PNU-159682 acts as a more potent and tolerated ADC cytotoxin than Doxorubicin for ADC synthesis. PNU-159682 can be used in EDV-nanocell technology to overcome agent resistance.
Levofloxacin hydrate (Levofloxacin hemihydrate) is an orally active antibiotic and is active against both Gram-positive and Gram-negative bacteria. Levofloxacin hydrate inhibits the DNA gyrase and topoisomerase IV. Levofloxacin hydrate can be used for chronic periodontitis, airway inflammation and BK Viremia research. Levofloxacin hydrate shows anti-orthopoxvirus activity .
Indotecan (LMP-400), an indenoisoquinoline derivative, is a potent Topoisomerase I inhibitor, with IC50s of 300, 1200, 560 nM for P388, HCT116, MCF-7 cell lines, respectively. Indotecan prevents the relaxation of supercoiled DNA and can be used for the research of visceral leishmaniasis .
CH-0793076 (TP3076), a hexacyclic camptothecin analog, is active drug and major metabolite of TP300. CH-0793076 inhibits DNA topoisomerase I with an IC50 of 2.3 μM. CH-0793076 is efficacious against cells expressing BCRP (breast cancer resistance protein) .
Idarubicin is an orally active and potent anthracycline antileukemic agent. Idarubicin inhibits the topoisomerase II interfering with the replication of DNA and RNA transcription. Idarubicin shows induction of DNA damage. Idarubicin inhibits DNA synthesis and of c-myc expression. Idarubicin inhibits the growth of bacteria and yeasts .
MC-VA-PAB-Exatecan is a agent-linker conjugate for ADC. MC-VA-PAB-Exatecan contains the ADC linker (peptide MC-VA-PAB) and a DNA topoisomerase I inhibitor Exatecan (HY-13631). MC-VA-PAB-Exatecan synthesized ADC shows good antitumor activity .
Exatecan Intermediate 5 is the intermediate of Exatecan (HY-13631) And Exatecan (DX-8951) is a DNA topoisomerase I inhibitor with an IC50 value of 2.2 μM (0.975 μg/mL) that can be used in cancer research. Exatecan Intermediate 5 can be used to synthesize Antibody-Drug Conjugates (ADCs).
Exatecan Intermediate 6 is the intermediate of Exatecan (HY-13631) And Exatecan (DX-8951) is a DNA topoisomerase I inhibitor with an IC50 value of 2.2 μM (0.975 μg/mL) that can be used in cancer research. Exatecan Intermediate 6 can be used to synthesize Antibody-Drug Conjugates (ADCs).
Exatecan Intermediate 7 is the intermediate of Exatecan (HY-13631) And Exatecan (DX-8951) is a DNA topoisomerase I inhibitor with an IC50 value of 2.2 μM (0.975 μg/mL) that can be used in cancer research. Exatecan Intermediate 7 can be used to synthesize Antibody-Drug Conjugates (ADCs).
Exatecan Intermediate 3 is the intermediate of Exatecan (HY-13631) And Exatecan (DX-8951) is a DNA topoisomerase I inhibitor with an IC50 value of 2.2 μM (0.975 μg/mL) that can be used in cancer research. Exatecan Intermediate 3 can be used to synthesize Antibody-Drug Conjugates (ADCs).
Gly-Gly-Phe-Gly-NH-O-CO-Exatecan, as a drug-linker conjugate composed of linker Gly-Gly-Phe-Gly-NH-O-CO and Exatecan, can be used to prepare antibody conjugate drugs. Exatecan is a DNA topoisomerase I inhibitor that can be used in cancer research .
MC-Gly-Gly-Phe-Gly-GABA-Exatecan is an agent linker conjugate for ADC, with an inhibitor for Topoisomerase Exatecan (HY-13631) with IC50 of 22 μM. MC-Gly-Gly-Phe-Gly-GABA-Exatecan targets various antibodies, exhibits cytotoxic and antitumor efficacy in vitro and in vivo .
Levofloxacin ((-)-Ofloxacin) is an orally active antibiotic and is active against both Gram-positive and Gram-negative bacteria. Levofloxacin inhibits the DNA gyrase and topoisomerase IV. Levofloxacin can be used for chronic periodontitis, airway inflammation and BK Viremia research. Levofloxacin shows anti-orthopoxvirus activity .
(R)-Gyramide A hydrochloride is a bacterial DNA gyrase inhibitor that disrupts supercoiling activity with an IC50 value of 3.3 µM. (R)-Gyramide A hydrochloride demonstrates antibacterial activity against E. coli, P. aeruginosa, and S. enterica (MICs of 10-80 µM). (R)-Gyramide A hydrochloride does not affect the closely related enzyme topoisomerase IV.
Levofloxacin ((-)-Ofloxacin) hydrochloride is an orally active antibiotic and is active against both Gram-positive and Gram-negative bacteria. Levofloxacin hydrochloride inhibits the DNA gyrase and topoisomerase IV. Levofloxacin hydrochloride can be used for chronic periodontitis, airway inflammation and BK Viremia research. Levofloxacin hydrochloride shows anti-orthopoxvirus activity .
Levofloxacin ((-)-Ofloxacin) sodium is an orally active antibiotic and is active against both Gram-positive and Gram-negative bacteria. Levofloxacin sodium inhibits the DNA gyrase and topoisomerase IV. Levofloxacin sodium can be used for chronic periodontitis, airway inflammation and BK Viremia research. Levofloxacin sodium shows anti-orthopoxvirus activity .
SN-38 glucuronide- 13C6 is the 13C labeled SN-38 glucuronide (HY-126373) . SN-38 glucuronide is an inactive metabolite of the cancer agent Irinotecan. Irinotecan is a topoisomerase I inhibitor which can be used for researching colon and rectal cancer .
Antibacterial agent 138 is a benzothiazole inhibitor of bacterial DNA gyrase and topoisomerase IV. Antibacterial agent 138 exhibits favorable solubility and plasma protein binding. Antibacterial agent 138 has antibacterial activity against Gram-positive and Gram-negative strains. Antibacterial agent 138 is a dual GyrB and ParE inhibitor .
Intoplicine (RP 60475), an antitumor derivative in the 7H-benzo[e]pyrido[4,3-b]indole series, is a DNA topoisomerase I and II inhibitor. Intoplicine strongly binds DNA (KA = 2 x 10 5 /M) and thereby increases the length of linear DNA .
Ciprofloxacin (Bay-09867) is a potent, orally active topoisomerase IV inhibitor. Ciprofloxacin induces mitochondrial DNA and nuclear DNA damage and lead to mitochondrial dysfunction, ROS production. Ciprofloxacin has anti-proliferative activity and induces apoptosis. Ciprofloxacin is a fluoroquinolone antibiotic, exhibiting potent antibacterial activity .
Clinafloxacin (AM 1091) is a potent and broad-spectrum fluoroquinolone antibiotic, has inhibitory activity against gram-positive, gram-negative bacterias, and anaerobic pathogens in vitro . Clinafloxacin is against DNA gyrase and topoisomerase IV of S. aureus with IC50 values of 0.92 µg/ml and 1.62 µg/ml, respectively .
Hycanthone is a thioxanthenone DNA intercalator and inhibits RNA synthesis as well as the DNA topoisomerases I and II. Hycanthone inhibits nucleic acid biosynthesis and inhibits apurinic endonuclease-1 (APE1) by direct protein binding with a KD of 10 nM. Hycanthone is a bioactive metabolite of Lucanthone (HY-B2098) and has anti-schistosomal agent .
Ciprofloxacin (Bay-09867) hydrochloride monohydrate is a potent, orally active topoisomerase IV inhibitor. Ciprofloxacin hydrochloride monohydrate induces mitochondrial DNA and nuclear DNA damage and lead to mitochondrial dysfunction, ROS production. Ciprofloxacin hydrochloride monohydrate has anti-proliferative activity and induces apoptosis. Ciprofloxacin hydrochloride monohydrate is a fluoroquinolone antibiotic, exhibiting potent antibacterial activity .
Clinafloxacin hydrochloride (AM 1091 hydrochloride) is a potent and broad-spectrum fluoroquinolone antibiotic, has inhibitory activity against gram-positive, gram-negative bacterias, and anaerobic pathogens in vitro . Clinafloxacin hydrochloride is against DNA gyrase and topoisomerase IV of S. aureus with IC50 values of 0.92 µg/ml and 1.62 µg/ml, respectively .
CH-0793076 (TP3076) TFA, a hexacyclic camptothecin analog, is active drug and major metabolite of TP300. CH-0793076 TFA inhibits DNA topoisomerase I with an IC50 of 2.3 μM. CH-0793076 TFA is efficacious against cells expressing BCRP (breast cancer resistance protein) .
Etoposide- 13C,d3 is the 13C- and deuterium labeled Etoposide. Etoposide (VP-16; VP-16-213) is an anti-cancer chemotherapy agent. Etoposide inhibits topoisomerase II, thus stopping DNA replication. Etoposide induces cell cycle arrest, apoptosis and autophagy[1].
Datopotamab (CDP7657) is an antibody targeting to TROP2. Datopotamab can be used to synthesize Datopotamab deruxtecan (HY-141598), TROP2-directed antibody-drug conjugate (ADC). Datopotamab deruxtecan consists of DNA topoisomerase I inhibitor Deruxtecan (HY-13631E) and Datopotamab .
Cholesteryl hemisuccinate is a with hepatoprotective an anticancer activity. Cholesteryl hemisuccinate inhibits Acetaminophen (AAP, HY-66005) hepatotoxicity, and prevents AAP-induced hepatic apoptosis and necrosis. Cholesteryl hemisuccinate inhibits DNA polymerase and DNA topoisomerase to inhibit DNA replication and repair and cell division. Thus, Cholesteryl hemisuccinate inhibits tumor growth .
Nalidixic Acid-d5 is the deuterium labeled Nalidixic acid. Nalidixic acid, a quinolone antibiotic, is effective against both gram-positive and gram-negative bacteria. Nalidixic acid acts in a bacteriostatic manner in lower concentrations and is bactericidal in higher concentrations. Nalidixic acid inhibits a subunit of DNA gyrase and topoisomerase IV and reversibly blocks DNA replication in susceptible bacteria[1].
MC-SN38 is a agent-linker conjugate composed of a potent microtubule-disrupting agent SN38 and a non-cleavable MC linker to make antibody agent conjugate (ADC). SN-38, an active metabolite of the Topoisomerase I inhibitor Irinotecan, inhibits DNA synthesis and causes frequent DNA single-strand breaks .
Berberine (Natural Yellow 18) is an alkaloid isolated from the Chinese herbal medicine Huanglian, as an antibiotic. Berberine (Natural Yellow 18) induces reactive oxygen species (ROS) generation and inhibits DNA topoisomerase. Berberine (Natural Yellow 18) has antineoplastic properties. The sulfate form (HY-N0716B) improves bioavailability .
MC-GGFG-Exatecan (MC-GGFG-DX8951) is a agent-linker conjugate for ADC. MC-GGFG-Exatecan is a DX8951 (a DNA topoisomerase I inhibitor) derivative with protease cleavable MC-GGFG linker. MC-GGFG-Exatecan shows antitumor activity and can be used to prepare DX8951 antibody conjugate (ADC) .
Intoplicine (RP 60475) dimesylate, an antitumor derivative in the 7H-benzo[e]pyrido[4,3-b]indole series, is a DNA topoisomerase I and II inhibitor. Intoplicine dimesylate strongly binds DNA (KA = 2 x 10 5 /M) and thereby increases the length of linear DNA .
MC-Gly-Gly-Phe-Gly-Cyclobutanecarboxylic-Exatecan is a agent-linker conjugate for ADC, contains the ADC linker (MC-Gly-Gly-Phe-Gly-Cyclobutanecarboxylic acid) and a DNA topoisomerase I inhibitor Exatecan (HY-13631). MC-Gly-Gly-Phe-Gly-Cyclobutanecarboxylic-Exatecan synthesized ADC can be used in study of cancer .
Patritumab deruxtecan (HER3-DXd) is an antibody-drug conjugate (ADC) consisting of a fully human anti-HER3 IgG1 monoclonal antibody Patritumab (HY-P99275) attached to a topoisomerase I inhibitor payload via a tetrapeptide-based cleavable linker. Patritumab deruxtecan shows anticancer activity .
Ciprofloxacin (Bay-09867) monohydrochloride is a potent, orally active topoisomerase IV inhibitor. Ciprofloxacin monohydrochloride induces mitochondrial DNA and nuclear DNA damage and lead to mitochondrial dysfunction, ROS production. Ciprofloxacin monohydrochloride has anti-proliferative activity and induces apoptosis. Ciprofloxacin monohydrochloride is a fluoroquinolone antibiotic, exhibiting potent antibacterial activity .
Zabofloxacin hydrochloride (DW-224a) is a potent and seletive inhibitor of the bacterial type II and IV topoisomerases. Zabofloxacin hydrochloride has excellent activity against gram-positive pathogens including Steptococcus aureus, Streptococcus pyogenes and S.pneumonia. Zabofloxacin hydrochloride is a novel fluoronaphthyridone quinolone that is considered as an alternative antibiotic for treatment of quinolone-susceptible (QSSP) and quinolone-resistant gonorrhea (QRSP) .
Ciprofloxacin (Bay-09867) lactate is a potent, orally active topoisomerase IV inhibitor. Ciprofloxacin lactate induces mitochondrial DNA and nuclear DNA damage and lead to mitochondrial dysfunction, ROS production. Ciprofloxacin lactate has anti-proliferative activity and induces apoptosis. Ciprofloxacin lactate is a fluoroquinolone antibiotic, exhibiting potent antibacterial activity .
(1S,9R)-Exatecan mesylate ((1S,9R)-DX8951f) is an isomer of Exatecan mesylate (HY-13631A). Exatecan mesylate (DX8951f) is an inhibitor of DNA topoisomerase I with an IC50 of 2.2 μM (0.975 μg/mL) and can be used in cancer research .
Daunorubicin (Daunomycin) hydrochloride is a topoisomerase II inhibitor with potent anti-tumor activity. Daunorubicin hydrochloride inhibits DNA and RNA synthesis. Daunorubicin hydrochloride is a cytotoxin that inhibits cancer cell viability and induces apoptosis and necrosis. Daunorubicin hydrochloride is also an anthracycline antibiotic. Daunorubicin hydrochloride can be used in the research of infection and variety of cancers, including leukemia, non-Hodgkin lymphomas, Ewing's sarcoma, Wilms' tumor .
Daunorubicin (Daunomycin) is a topoisomerase II inhibitor with potent anti-tumor activity. Daunorubicin inhibits DNA and RNA synthesis. Daunorubicin is a cytotoxin that inhibits cancer cell viability and induces apoptosis and necrosis. Daunorubicin is also an anthracycline antibiotic. Daunorubicin can be used in the research of infection and variety of cancers, including leukemia, non-Hodgkin lymphomas, Ewing's sarcoma, Wilms' tumor .
SN-38-d3 is the deuterium labeled SN-38. SN-38 (NK012) is an active metabolite of the Topoisomerase I inhibitor Irinotecan. SN-38 (NK012) inhibits DNA and RNA synthesis with IC50s of 0.077 and 1.3 μM, respectively[1][2][3][4].
Zabofloxacin (DW-224a Free base) is a potent and seletive inhibitor of the bacterial type II and IV topoisomerases. Zabofloxacin has excellent activity against gram-positive pathogens including Steptococcus aureus, Streptococcus pyogenes and S.pneumonia. Zabofloxacin is a novel fluoronaphthyridone quinolone that is considered as an alternative antibiotic for treatment of quinolone-susceptible (QSSP) and quinolone-resistant gonorrhea (QRSP) .
TP0480066 is a selective topoisomerase II inhibitor with IC50s of 1.10 and 62.89 nM for DNA gyrase and topo IV, respectively. TP0480066 shows good activity of againsting various bacterial species including drug-resistant strains. TP0480066 also exhibits potent inhibitory activity to N. gonorrhoeae, can be used in study of gonorrhea .
Gly-Cyclopropane-Exatecan involves in the synthesis of anti-B7-H4 ADC, containing Exatecan (HY-13631), a DNA Topoisomerase I inhibitor. Gly-Cyclopropane-Exatecan participated in the formation of the ADC hu2F7-Exatecan (compound 34), which showed antitumor activity in vivo and in vitro .
(1R,9R)-Exatecan mesylate((1R,9R)-DX8951f) is an isomer of Exatecan mesylate (HY-13631A). Exatecan mesylate (DX8951f) is an inhibitor of DNA topoisomerase I with an IC50 of 2.2 μM (0.975 μg/mL) and can be used in cancer research .
(S)-10-Hydroxycamptothecin (10-HCPT;10-Hydroxycamptothecin) is a DNA topoisomerase I inhibitor of isolated from the Chinese plant Camptotheca accuminata. (S)-10-Hydroxycamptothecin exhibits a remarkable apoptosis-inducing effect. (S)-10-Hydroxycamptothecin has the potential for hepatoma, gastric carcinoma, colon cancer and leukaemia treatment .
PNU-159682 GMP is a GMP grade PNU-159682 (HY-16700). PNU-159682, a metabolite of the anthracycline Nemorubicin, is a highly potent DNA topoisomerase II inhibitor with excellent cytotoxicity. PNU-159682 acts as a more potent and tolerated ADC cytotoxin than Doxorubicin for ADC synthesis. PNU-159682 can be used in EDV-nanocell technology to overcome agent resistance.
Cu(II)-Elesclomol is a Cu 2+ complex of Elesclomol (HY-12040). Cu(II)-Elesclomol induces cuproptosis. Cu(II)-Elesclomol also inducesapoptosis, causes a G1 cell cycle block and induces DNA double strand breaks in K562 cells. Cu(II)-Elesclomol also weakly inhibits DNA topoisomerase I. Cu(II)-Elesclomol has anticancer activity .
Gemifloxacin mesylate (SB-265805S; LB-20304a) is an orally active broad-spectrum quinolone antibacterial antibiotic. Gemifloxacin mesylate inhibits DNA synthesis by inhibiting DNA gyrase and Topoisomerase IV activities. Gemifloxacin mesylate has potent antibacterial activities against gram-positive bacteria in vitro efficacy study, particularly Streptococci and Staphylococci. Gemifloxacin mesylate has been used in the research of respiratory tract infections .
Phenoxodiol (Idronoxil), a synthetic analog of Genestein, activates the mitochondrial caspase system, inhibits XIAP (an apoptosis inhibitor), and sensitizes the cancer cells to Fas-mediated apoptosis. Phenoxodiol also inhibits DNA topoisomerase II by stabilizing the cleavable complex. Phenoxodiol induces cell cycle arrest in the G1/S phase of the cell cycle and upregulates p21 WAF1 via a p53 independent manner .
MAC glucuronide α-hydroxy lactone-linked SN-38 (Topoisomerase I inhibitor) is a stabilized lactone MAC glucuronide α-hydroxy lactone-linked SN-38 agent linker. MAC glucuronide α-hydroxy lactone-linked SN-38 is cytotoxic across L540cy cells and Ramos cells with IC50 values of 99 and 105 ng/mL, respectively .
FLT3-IN-13 (compound 20) is a potent and effective antileukemic topoisomerase II and FLT3 dual inhibitor with IC50 values of 2.26 μM and 2.26 μM, respectively. FLT3-IN-13 arrests cell cycle at G2/M phase and induce apoptosis. FLT3-IN-13 has anticytotoxic activity, particularly against leukemia .
Daunorubicin (Daunomycin) citrate is a topoisomerase II inhibitor with potent anti-tumor activity. Daunorubicin citrate inhibits DNA and RNA synthesis. Daunorubicin citrate is a cytotoxin that inhibits cancer cell viability and induces apoptosis and necrosis. Daunorubicin citrate is also an anthracycline antibiotic. Daunorubicin citrate can be used in the research of infection and variety of cancers, including leukemia, non-Hodgkin lymphomas, Ewing's sarcoma, Wilms' tumor .
Mitoxantrone is a potent topoisomerase II inhibitor. Mitoxantrone also inhibits protein kinase C (PKC) activity with an IC50 of 8.5 μM. Mitoxantrone induces apoptosis of B-CLL (B-chronic lymphocytic leukaemia) cells. Mitoxantrone shows antitumor activity . Mitoxantrone also has anti-orthopoxvirus activity with EC50s of 0.25 μM and and 0.8 μM for cowpox and monkeypox, respectively .
Mitoxantrone dihydrochloride is a potent topoisomerase II inhibitor. Mitoxantrone dihydrochloride also inhibits protein kinase C (PKC) activity with an IC50 of 8.5 μM. Mitoxantrone dihydrochloride induces apoptosis of B-CLL (B-chronic lymphocytic leukaemia) cells. Mitoxantrone dihydrochloride shows antitumor activity . Mitoxantrone dihydrochloride also has anti-orthopoxvirus activity with EC50s of 0.25 μM and and 0.8 μM for cowpox and monkeypox, respectively .
Topotecan-d6 is the deuterium labeled Topotecan. Topotecan (SKF 104864A; NSC 609669) is a Topoisomerase I inhibitor. The IC50 values of Topotecan at 24 h are 2.73±0.25 μM of U251 cells, 2.95±0.23 μM of U87 cells, 5.46±0.41 μM of GSCs-U251 and 5.95 μM of GSCs-U87[1][2].
Radicicol is an inhibitor of Hsp90 with an IC50 value < 1 μM, and leads to proteasomal degradation . Radicicol exhibits inhibition on PDK with IC50s of 230 μM (PDK1) and 400 μM (PDK3). Radicicol is an antifungal and antimalarial antibiotic, impairs mitochondrial replication by targeting P. falciparumtopoisomerase VIB . Radicicol is also an inhibitor of fat mass and obesity-associated protein (FTO), with an IC50 value of 16.04 μM .
Trastuzumab deruxtecan (DS-8201a) is an anti-human epidermal growth factor receptor 2 (HER2) antibody-drug conjugate (ADC). Trastuzumab deruxtecan is composed of a humanized anti-HER2 antibody, an enzymatically cleavable peptide-linker, a topoisomerase I inhibitor (a toxin component of Dxd). Trastuzumab deruxtecan can be used for the research of HER2-positive breast cancer and gastric cancer .
Mitoxantrone diacetate is a potent topoisomerase II inhibitor. Mitoxantrone diacetate also inhibits protein kinase C (PKC) activity with an IC50 of 8.5 μM. Mitoxantrone diacetate induces apoptosis of B-CLL (B-chronic lymphocytic leukaemia) cells. Mitoxantrone diacetate shows antitumor activity . Mitoxantrone diacetate also has anti-orthopoxvirus activity with EC50s of 0.25 μM and and 0.8 μM for cowpox and monkeypox, respectively .
Tyrphostin AG213 (AG213) is an inhibitor of epidermal growth factor receptor (EGFR) protein tyrosine kinase (IC50=0.85 μM). Tyrphostin AG213 inhibits tyrosine kinase activity IC50=2.4 μM) and topoisomerase II (IC100=50 μM). Tyrphostin AG213 can induce nonapoptotic cell programmed death in tumor cells .
Camptothecin-d5 is the deuterium labeled Camptothecin. Camptothecin (CPT), a kind of alkaloid, is a DNA topoisomerase I (Topo I) inhibitor with an IC50 of 679 nM[1]. Camptothecin (CPT) exhibits powerful antineoplastic activity against colorectal, breast, lung and ovarian cancers, modulates hypoxia-inducible factor-1α (HIF-1α) activity by changing microRNAs (miRNA) expression patterns in human cancer cells[2][3].
MAC glucuronide phenol-linked SN-38 is a pH-susceptible lactone MAC glucuronide phenol-linked SN-38 (DNA topoisomerase I inhibitor) agent linker. MAC glucuronide phenol-linked SN-38 is cytotoxic across L540cy cells and Ramos cells with IC50 values of 113 and 67 ng/mL, respectively.Albumin-coupled MAC glucosidol-linked SN-38 shows good stability in mouse plasma .
Nitidine chloride, a potential anti-malarial lead compound derived from Zanthoxylum nitidum (Roxb) DC, exerts potent anticancer activity through diverse pathways, including inducing apoptosis, inhibiting STAT3 signaling cascade, DNA topoisomerase 1 and 2A, ERK and c-Src/FAK associated signaling pathway. Nitidine chloride inhibits LPS-induced inflammatory cytokines production via MAPK and NF-kB pathway .
DBCO-PEG4-GGFG-Dxd is a agent-linker conjugate for ADC with potent antitumor activity by using Dxd (a DNA topoisomerase I inhibitor), linked via the cleavable ADC linker DBCO-PEG4-GGFG . DBCO-PEG4-GGFG-Dxd is a click chemistry reagent, it contains a DBCO group that can undergo strain-promoted alkyne-azide cycloaddition (SPAAC) with molecules containing Azide groups.
Trastuzumab deruxtecan (T-DXd; DS-8201a) (solution) is an anti-human epidermal growth factor receptor 2 (HER2) antibody-drug conjugate (ADC). Trastuzumab deruxtecan is composed of a humanized anti-HER2 antibody, an enzymatically cleavable peptide-linker, a topoisomerase I inhibitor (a toxin component of Dxd). Trastuzumab deruxtecan can be used for the research of HER2-positive breast cancer and gastric cancer .
Garenoxacin (BMS284756) Mesylate hydrate is an orally active quinolone antibiotic and has a broad spectrum of activity against a wide array of gram-positive and gram-negative bacteria, anaerobes, and fastidious organisms .
Garenoxacin (BMS284756) is an orally active quinolone antibiotic and has a broad spectrum of activity against a wide array of gram-positive and gram-negative bacteria, anaerobes, and fastidious organisms .
Trovafloxacin is a broad-spectrum quinolone antibiotic with potent activity against Gram-positive, Gram-negative and anaerobic organisms. Trovafloxacin blocks the DNA gyrase and topoisomerase IV activity. Trovafloxacin is also a potent, selective and orally active pannexin 1 channel (PANX1) inhibitor with an IC50 of 4 μM for PANX1 inward current. Trovafloxacin does not inhibit connexin 43 gap junction or PANX2. Trovafloxacin leads to dysregulated fragmentation of apoptotic cells by inhibiting PANX1 .
Trovafloxacin mesylate is a broad-spectrum quinolone antibiotic with potent activity against Gram-positive, Gram-negative and anaerobic organisms. Trovafloxacin mesylate blocks the DNA gyrase and topoisomerase IV activity. Trovafloxacin mesylate is also a potent, selective and orally active pannexin 1 channel (PANX1) inhibitor with an IC50 of 4 μM for PANX1 inward current. Trovafloxacin mesylate does not inhibit connexin 43 gap junction or PANX2. Trovafloxacin mesylate leads to dysregulated fragmentation of apoptotic cells by inhibiting PANX1 .
EGFR-IN-57 (Compound 25a) is a potent, orally active EGFR-TK inhibitor with an IC50 of 0.054 µM. EGFR-IN-57 also inhibits VEGFR-2, CK2α, topoisomerase IIβ and tubulin polymerization with IC50 values of 0.087, 0.171, 0.13 and 3.61 µM, respectively. EGFR-IN-57 induces cell cycle arrest at G2/M and pre-G1 phases. EGFR-IN-57 induces cancer cell apoptosis .
Enoxacin-d8 (hydrochloride) is deuterium labeled Enoxacin. Enoxacin (AT 2266), a fluoroquinolone, interferes with DNA replication and inhibits bacterial DNA gyrase (IC50=126 µg/ml) and topoisomerase IV (IC50=26.5 µg/ml). Enoxacin is a miRNA processing activator and enhances siRNA-mediated mRNA degradation and promotes the biogenesis of endogenous miRNAs. Enoxacin has potent activities against gram-positive and -negative bacteria. Enoxacin is a cancer-specific growth inhibitor that acts by enhancing TAR RNA-binding protein 2 (TRBP)-mediated microRNA processing[1][2][3][4].
MC-GGFG-AM-(10Me-11F-Camptothecin) is a linker-payload conjugate used to synthesize ZW251. ZW251 an antibody-drug conjugate (ADC) targeting human GPC3. ZW251 consists of a humanized IgG1 antibody conjugated to a novel camptothecin-based topoisomerase 1 inhibitor, ZD06519, via a linker. The linker is the maleimide anchor and a glycyl glycyl phenylalanyl glycine (GGFG)-aminomethyl (AM) cleavable linker. ZW251 has high affinity with human and cynomolgus monkey GPC3. ZW251 displays rapid internalization in GPC3-expressing HCC cell lines, and bystander-mediated killing of GPC3 negative cancer cells .
Exatecan mesylate (DX8951f ) GMP is a GMP-class Exatecan (HY-13631). Exatecan is a DNA topoisomerase I inhibitor, with an IC50 of 2.2 μM (0.975 μg/mL), and can be used in cancer research.
PNU-159682 GMP is a GMP grade PNU-159682 (HY-16700). PNU-159682, a metabolite of the anthracycline Nemorubicin, is a highly potent DNA topoisomerase II inhibitor with excellent cytotoxicity. PNU-159682 acts as a more potent and tolerated ADC cytotoxin than Doxorubicin for ADC synthesis. PNU-159682 can be used in EDV-nanocell technology to overcome agent resistance.
Exatecan mesylate (DX8951f ) GMP is a GMP-class Exatecan (HY-13631). Exatecan is a DNA topoisomerase I inhibitor, with an IC50 of 2.2 μM (0.975 μg/mL), and can be used in cancer research.
PNU-159682 GMP is a GMP grade PNU-159682 (HY-16700). PNU-159682, a metabolite of the anthracycline Nemorubicin, is a highly potent DNA topoisomerase II inhibitor with excellent cytotoxicity. PNU-159682 acts as a more potent and tolerated ADC cytotoxin than Doxorubicin for ADC synthesis. PNU-159682 can be used in EDV-nanocell technology to overcome agent resistance.
Datopotamab (CDP7657) is an antibody targeting to TROP2. Datopotamab can be used to synthesize Datopotamab deruxtecan (HY-141598), TROP2-directed antibody-drug conjugate (ADC). Datopotamab deruxtecan consists of DNA topoisomerase I inhibitor Deruxtecan (HY-13631E) and Datopotamab .
Patritumab deruxtecan (HER3-DXd) is an antibody-drug conjugate (ADC) consisting of a fully human anti-HER3 IgG1 monoclonal antibody Patritumab (HY-P99275) attached to a topoisomerase I inhibitor payload via a tetrapeptide-based cleavable linker. Patritumab deruxtecan shows anticancer activity .
Rabdosiin is a tetramer of caffeic acid isolated from the stem of Ocimum sanctum. Rabdosiin possess anti-allergic activity, anti-HIV activity and inhibition on DNA topoisomerase .
Isodiospyrin, a natural dimeric naphthoquinone, is a human DNA topoisomerase I(Topoisomerase) inhibitor. Isodiospyrin can prevent both DNA relaxation and kinase activities of human topoisomerase I. Isodiospyrin shows anticancer, antibacterial and antifungal activities .
Murrayanol is a natural carbazole alkaloid with a variety of biological activities. Murrayanol shows anti-inflammatory, topoisomerase I and topoisomerase II(Topoisomerase) inhibition activities. Murrayanol also as a mosquitocidal and antimicrobial .
6,6′-Dihydroxythiobinupharidine is a cysteine proteases inhibitor. 6,6′-Dihydroxythiobinupharidine can enhance DNA cleavage mediated by human topoisomerase IIα and IIβ ~8-fold and ~3-fold, respectively .
Niranthin, a lignan with a wide spectrum of pharmacological activities. Niranthin is a potent and non-competitive inhibitor of heterodimeric type IB topoisomerase of L. donovani. Niranthin can be used for the research of drug-resistant leishmaniasis research.
Isosteviol ((-)-Isosteviol) is a derivative of Stevioside through acid catalyzed hydrolysis of Stevioside. Isosteviol inhibits DNA polymerase and DNA topoisomerase and has antibacterial, anticancer and anti-tuberculosis effects .
Camptothecin (CPT), a kind of alkaloid, is a DNA topoisomerase I (Topo I) inhibitor with an IC50 of 679 nM . Camptothecin (CPT) exhibits powerful antineoplastic activity against colorectal, breast, lung and ovarian cancers, modulates hypoxia-inducible factor-1α (HIF-1α) activity by changing microRNAs (miRNA) expression patterns in human cancer cells .
Rebeccamycin, an antitumor antibiotic, inhibits DNA topoisomerase I. Rebeccamycin appears to exert its primary antineoplastic effect by poisoning topoisomerase I and has negligible effect on protein kinase C and topoisomerase II .
Netropsin dihydrochloride is a small-molecule MGB (minor-groove binder), inhibits the catalytic activity of isolated topoisomerase and interferes with the stabilization of the cleavable complexes of topoisomerase II and I in nuclei . Netropsin dihydrochloride exhibits antiviral activity against the vaccinia virus .
Doxorubicinone is a metabolite of an anti-cancer chemotherapy agent Doxorubicin . Doxorubicin is a potent human DNA topoisomeraseI and topoisomerase II inhibitor with IC50s of 0.8 μM and 2.67 μM, respectively.
Alternariol is a mycotoxin produced by Alternaria species. AOH inhibits the catalytic activity of topoisomerase I and topoisomerase II enzymes . Alternariol exhibits a variety of therapeutic and biological properties such as phytotoxicity, cytotoxicity, anti-HIV, anti-cancer, and anti-microbial properties .
Luotonin A is an antiviral and antiphytopathogenic fungus agent. Luotonin A has good antiviral activity against tobacco mosaic virus (TMV). Luotonin A also has certain inhibitory activity on topoisomerase I and topoisomerase II. Luotonin A shows antitumor activity .
Pericosine A ((+)-Pericosine A) is a topoisomerase II (Topoisomerase II) inhibitor that can be isolated from the Periconia byssoides strain. Pericosine A has significant antitumor activity in vitro and in vivo and can be used in cancer research. Pericosine A also inhibits the protein kinase epidermal growth factor receptor .
Doxorubicin (Hydroxydaunorubicin) hydrochloride, a cytotoxic anthracycline antibiotic, is an anti-cancer chemotherapy agent. Doxorubicin hydrochloride is a potent human DNA topoisomerase I and topoisomerase II inhibitor with IC50s of 0.8 μM and 2.67 μM, respectively. Doxorubicin hydrochloride reduces basal phosphorylation of AMPK and its downstream target acetyl-CoA carboxylase. Doxorubicin hydrochloride induces apoptosis and autophagy .
Berberine chloride is an alkaloid that acts as an antibiotic. Berberine chloride induces reactive oxygen species (ROS) generation and inhibits DNA topoisomerase. Antineoplastic properties .
Ganoderic acid X is a lanostanoid triterpene that can be extracted from Ganoderma amboinense. Ganoderic acid X inhibits topoisomerases and induces apoptosis of cancer cells .
Berberine chloride hydrate (Natural Yellow 18 chloride hydrate) is an alkaloid that acts as an antibiotic. Berberine chloride hydrate induces reactive oxygen species (ROS) generation and inhibits DNA topoisomerase. Antineoplastic properties .
Doxorubicin (Hydroxydaunorubicin), a broad-spectrum anthracycline antibiotic with cytotoxic properties, is an anti-cancer chemotherapy agent. Doxorubicin has fluorescence properties. Doxorubicin inhibits topoisomerase II with an IC50 of 2.67 μM, thus stopping DNA replication. Doxorubicin reduces basal phosphorylation of AMPK and its downstream target acetyl-CoA carboxylase. Doxorubicin induces apoptosis and autophagy . Doxorubicin inhibits human DNA topoisomerase I with an IC50 of 0.8 μM .
Hippeastrine, an active alkaloid, exhibits a good dose-dependent inhibitory effect against topoisomerase I (Top I) with an IC50 at 7.25 μg/mL. Antiproliferative and anticancer activities .
12-Ethyl-9-hydroxycamptothecin is a derivative of Camptothecin. Camptothecin (CPT), a kind of alkaloid, is a DNA topoisomerase I (Topo I) inhibitor with an IC50 of 679 nM .
β-Lapachone (ARQ-501;NSC-26326) is a naturally occurring O-naphthoquinone, acts as a topoisomerase I inhibitor, and induces apoptosis by inhibiting cell cycle progression.
Artemisitene, a natural derivative of Artemisinin, is a Nrf2 activator with antioxidant and anticancer activities. Artemisitene activates Nrf2 by decreasing Nrf2 ubiquitination and increasing its stability .
Betulinic acid is a natural pentacyclic triterpenoid, acts as a eukaryotic topoisomerase I inhibitor, with an IC50 of 5 μM, and possesses anti-HIV, anti-malarial, anti-inflammatory and anti-tumor properties .
Luotonin F is an alkaloid found in the aerial parts of the P. nigellastrum Bunge. Luotonin F shows cytotoxic activity against mouse leukemia P-388 cells by inhibiting human topoisomerase II .
Etoposide (VP-16; VP-16-213) is an anti-cancer chemotherapy agent. Etoposide inhibits topoisomerase II, thus stopping DNA replication. Etoposide induces cell cycle arrest, apoptosis and autophagy .
SN-38 is an active metabolite of the Topoisomerase I inhibitor Irinotecan. SN-38 inhibits DNA and RNA synthesis with IC50s of 0.077 and 1.3 μM, respectively .
Rubitecan (RFS 2000), a Camptothecin derivative, is an orally active topoisomerase I inhibitor with broad antitumor activity, and induces protein-linked DNA single-strand breaks, thereby blocking DNA and RNA synthesis in dividing cells .
9-Methoxycamptothecin (MCPT), isolated from Camptotheca acuminata, has antitumor activities through topoisomerase inhibition. 9-Methoxycamptothecin (MCPT) induces strong G2/M arrest and apoptosis in cancer .
Groenlandicine is a protoberberine alkaloid isolated from Coptidis Rhizoma. Groenlandicine exhibits moderate inhibitory effect with IC50 value of 154.2 μM for human recombinant aldose reductase (HRAR) . Groenlandicine selectively induces topoisomerase I-mediated DNA cleavage .
Berberine sulfate is an alkaloid isolated from the Chinese herbal medicine Huanglian, as an antibiotic. Berberine sulfate induces reactive oxygen species (ROS) generation and inhibits DNA topoisomerase. Berberine sulfate has antineoplastic properties. The sulfate form improves bioavailability .
erythro-Austrobailignan-6 is an orally active anti-cancer agent. erythro-Austrobailignan-6 inhibits DNA topoisomerase I and II activity. erythro-Austrobailignan-6 induces cell apoptosis and increases phosphorylation of p38 and JNK .
Nalidixic acid, a quinolone antibiotic, is effective against both gram-positive and gram-negative bacteria. Nalidixic acid acts in a bacteriostatic manner in lower concentrations and is bactericidal in higher concentrations. Nalidixic acid inhibits a subunit of DNA gyrase and topoisomerase IV and reversibly blocks DNA replication in susceptible bacteria .
Cerulenin, a potent, natural inhibitor of fatty acid synthase (FASN), is an epoxide produced by the fungus Cephalosporium caeruleus. Cerulenin inhibits topoisomerase I catalytic activity and augments SN-38-induced apoptosis. Cerulenin has antifungal and antitumor activies .
Aclacinomycin A (Aclarubicin) hydrochloride is an orally active and potent anthracycline antitumor antibiotic. Aclacinomycin A hydrochloride is an inhibitor of topoisomerase I and II. Aclacinomycin A hydrochloride inhibits synthesis of nucleic acid, especially RNA. Aclacinomycin A hydrochloride might inhibit the 26S protease complex as well as the ubiquitin-ATP-dependent proteolysis .
Berberine (Natural Yellow 18) is an alkaloid isolated from the Chinese herbal medicine Huanglian, as an antibiotic. Berberine (Natural Yellow 18) induces reactive oxygen species (ROS) generation and inhibits DNA topoisomerase. Berberine (Natural Yellow 18) has antineoplastic properties. The sulfate form (HY-N0716B) improves bioavailability .
Daunorubicin (Daunomycin) hydrochloride is a topoisomerase II inhibitor with potent anti-tumor activity. Daunorubicin hydrochloride inhibits DNA and RNA synthesis. Daunorubicin hydrochloride is a cytotoxin that inhibits cancer cell viability and induces apoptosis and necrosis. Daunorubicin hydrochloride is also an anthracycline antibiotic. Daunorubicin hydrochloride can be used in the research of infection and variety of cancers, including leukemia, non-Hodgkin lymphomas, Ewing's sarcoma, Wilms' tumor .
Daunorubicin (Daunomycin) is a topoisomerase II inhibitor with potent anti-tumor activity. Daunorubicin inhibits DNA and RNA synthesis. Daunorubicin is a cytotoxin that inhibits cancer cell viability and induces apoptosis and necrosis. Daunorubicin is also an anthracycline antibiotic. Daunorubicin can be used in the research of infection and variety of cancers, including leukemia, non-Hodgkin lymphomas, Ewing's sarcoma, Wilms' tumor .
(S)-10-Hydroxycamptothecin (10-HCPT;10-Hydroxycamptothecin) is a DNA topoisomerase I inhibitor of isolated from the Chinese plant Camptotheca accuminata. (S)-10-Hydroxycamptothecin exhibits a remarkable apoptosis-inducing effect. (S)-10-Hydroxycamptothecin has the potential for hepatoma, gastric carcinoma, colon cancer and leukaemia treatment .
Mitoxantrone is a potent topoisomerase II inhibitor. Mitoxantrone also inhibits protein kinase C (PKC) activity with an IC50 of 8.5 μM. Mitoxantrone induces apoptosis of B-CLL (B-chronic lymphocytic leukaemia) cells. Mitoxantrone shows antitumor activity . Mitoxantrone also has anti-orthopoxvirus activity with EC50s of 0.25 μM and and 0.8 μM for cowpox and monkeypox, respectively .
Mitoxantrone dihydrochloride is a potent topoisomerase II inhibitor. Mitoxantrone dihydrochloride also inhibits protein kinase C (PKC) activity with an IC50 of 8.5 μM. Mitoxantrone dihydrochloride induces apoptosis of B-CLL (B-chronic lymphocytic leukaemia) cells. Mitoxantrone dihydrochloride shows antitumor activity . Mitoxantrone dihydrochloride also has anti-orthopoxvirus activity with EC50s of 0.25 μM and and 0.8 μM for cowpox and monkeypox, respectively .
Radicicol is an inhibitor of Hsp90 with an IC50 value < 1 μM, and leads to proteasomal degradation . Radicicol exhibits inhibition on PDK with IC50s of 230 μM (PDK1) and 400 μM (PDK3). Radicicol is an antifungal and antimalarial antibiotic, impairs mitochondrial replication by targeting P. falciparumtopoisomerase VIB . Radicicol is also an inhibitor of fat mass and obesity-associated protein (FTO), with an IC50 value of 16.04 μM .
Mitoxantrone diacetate is a potent topoisomerase II inhibitor. Mitoxantrone diacetate also inhibits protein kinase C (PKC) activity with an IC50 of 8.5 μM. Mitoxantrone diacetate induces apoptosis of B-CLL (B-chronic lymphocytic leukaemia) cells. Mitoxantrone diacetate shows antitumor activity . Mitoxantrone diacetate also has anti-orthopoxvirus activity with EC50s of 0.25 μM and and 0.8 μM for cowpox and monkeypox, respectively .
Nitidine chloride, a potential anti-malarial lead compound derived from Zanthoxylum nitidum (Roxb) DC, exerts potent anticancer activity through diverse pathways, including inducing apoptosis, inhibiting STAT3 signaling cascade, DNA topoisomerase 1 and 2A, ERK and c-Src/FAK associated signaling pathway. Nitidine chloride inhibits LPS-induced inflammatory cytokines production via MAPK and NF-kB pathway .
The TOP1 protein is critical in cellular processes, mitigating DNA supercoiling and torsional tension during replication and transcription. It does this by transiently cutting and rejoining a DNA strand, introducing breaks through transesterification. TOP1 Protein, Human (765a.a, sf9, His) is the recombinant human-derived TOP1 protein, expressed by Sf9 insect cells , with N-His labeled tag. The total length of TOP1 Protein, Human (765a.a, sf9, His) is 765 a.a., with molecular weight of ~93.1 kDa.
The TOP1 protein is critical in cellular processes, mitigating DNA supercoiling and torsional tension during replication and transcription. It does this by transiently cutting and rejoining a DNA strand, introducing breaks through transesterification. TOP1 Protein, Human (575a.a, sf9, His) is the recombinant human-derived TOP1 protein, expressed by Sf9 insect cells , with N-His labeled tag. The total length of TOP1 Protein, Human (575a.a, sf9, His) is 575 a.a., with molecular weight of ~70.4 kDa.
The GyrB protein negatively supercoils DNA, making it more accessible to topoisomerase 4. gyrB Protein, E.coli is the recombinant E. coli-derived gyrB protein, expressed by E. coli , with tag free. The total length of gyrB Protein, E.coli is 391 a.a., .
The GyrB protein negatively supercoils DNA, making it more accessible to topoisomerase 4. gyrB Protein, E.coli (His) is the recombinant E. coli-derived gyrB protein, expressed by E. coli , with N-6*His labeled tag. The total length of gyrB Protein, E.coli (His) is 391 a.a., .
Irinotecan-d10 (hydrochloride) is the deuterium labeled Irinotecan. Irinotecan ((+)-Irinotecan) is a topoisomerase I inhibitor, preventing religation of the DNA strand by binding to topoisomerase I-DNA complex[1][2].
Irinotecan-d10 is a deuterium labeled Irinotecan ((+)-Irinotecan). Irinotecan ((+)-Irinotecan) is a topoisomerase I inhibitor, preventing religation of the DNA strand by binding to topoisomerase I-DNA complex[1].
Doxorubicinone-d3 is the deuterium labeled Doxorubicinone. Doxorubicinone is a metabolite of an anti-cancer chemotherapy agent Doxorubicin[1]. Doxorubicin is a potent human DNA topoisomerase I and topoisomerase II inhibitor with IC50s of 0.8 μM and 2.67 μM, respectively.
Podofilox-d6 is the deuterium labeled Podofilox. Podofilox (Podophyllotoxin) is a potent inhibitor of microtubule assembly and DNA topoisomerase II[1][2].
Belotecan-d7 (hydrochloride) is the deuterium labeled Belotecan hydrochloride. Belotecan hydrochloride (CKD-602 hydrochloride), a Topoisomerase I inhibitor, is a synthetic camptothecin derivative[1][2].
Gatifloxacin-d3 (hydrochloride) is the deuterium labeled Gatifloxacin (hydrochloride). Gatifloxacin hydrochloride (AM-1155; BMS-206584; PD135432) is a potent fluoroquinolone antibiotic with broad-spectrum antibacterial activity. Gatifloxacin hydrochloride inhibits bacterial type II topoisomerases (IC50=13.8 μg/ml for S. aureus topoisomerase IV) and E. coli DNA gyrase (IC50 = 0.109 μg/ml). Gatifloxacin hydrochloride can be used to treat bacterial conjunctivitis in vivo.
Banoxantrone-d12 (dihydrochloride) is the deuterium labeled Banoxantrone dihydrochloride. Banoxantrone is a novel bioreductive agent that can be reduced to a stable, DNA-affinic compound AQ4, which is a potent topoisomerase II inhibitor.
Banoxantrone-d12 is the deuterium labeled banoxantrone. Banoxantrone is a novel bioreductive agent that can be reduced to a stable, DNA-affinic compound AQ4, which is a potent topoisomerase II inhibitor.
Berberine-d6 (chloride) is the deuterium labeled Berberine chloride. Berberine chloride is an alkaloid that acts as an antibiotic. Berberine chloride induces reactive oxygen species (ROS) generation and inhibits DNA topoisomerase. Antineoplastic properties[1].
Flumequine- 13C3 is the 13C3 labeled Flumequine. Flumequine (R-802) is a quinolone antibiotic, and acts as a topoisomerase II inhibitor, with an IC50 of 15 μM (3.92 μg/mL).
Mitoxantrone-d8 (mitozantrone-d8) is the deuterium labeled Mitoxantrone. Mitoxantrone is a topoisomerase II inhibitor and also inhibits protein kinase C (PKC) activity with an IC50 of 8.5 μM[1][2].
Dxd-d5 is a deuterium labeled Dxd. Dxd is a potent DNA topoisomerase I inhibitor, with an IC50 of 0.31 μM, used as a conjugated drug of HER2-targeting ADC (DS-8201a) [1].
Doxorubicin- 13C,d3 (TFA) is the deuterium and 13C labeled Doxorubicin. Doxorubicin (Hydroxydaunorubicin), a cytotoxic anthracycline antibiotic, is an anti-cancer chemotherapy agent. Doxorubicin inhibits topoisomerase II with an IC50 of 2.67 μM, thus stoppin
1,4-Naphthoquinone-d6 is the deuterium labeled 1,4-Naphthoquinone[1]. 1,4-Naphthoquinone is a potential pharmacophore for inhibition of both MAO (monoamine oxidase) and DNA topoisomerase activities, this latter associated with antitumor activity[2].
SN-38 glucuronide- 13C6 is the 13C labeled SN-38 glucuronide (HY-126373) . SN-38 glucuronide is an inactive metabolite of the cancer agent Irinotecan. Irinotecan is a topoisomerase I inhibitor which can be used for researching colon and rectal cancer .
Etoposide- 13C,d3 is the 13C- and deuterium labeled Etoposide. Etoposide (VP-16; VP-16-213) is an anti-cancer chemotherapy agent. Etoposide inhibits topoisomerase II, thus stopping DNA replication. Etoposide induces cell cycle arrest, apoptosis and autophagy[1].
Nalidixic Acid-d5 is the deuterium labeled Nalidixic acid. Nalidixic acid, a quinolone antibiotic, is effective against both gram-positive and gram-negative bacteria. Nalidixic acid acts in a bacteriostatic manner in lower concentrations and is bactericidal in higher concentrations. Nalidixic acid inhibits a subunit of DNA gyrase and topoisomerase IV and reversibly blocks DNA replication in susceptible bacteria[1].
SN-38-d3 is the deuterium labeled SN-38. SN-38 (NK012) is an active metabolite of the Topoisomerase I inhibitor Irinotecan. SN-38 (NK012) inhibits DNA and RNA synthesis with IC50s of 0.077 and 1.3 μM, respectively[1][2][3][4].
Topotecan-d6 is the deuterium labeled Topotecan. Topotecan (SKF 104864A; NSC 609669) is a Topoisomerase I inhibitor. The IC50 values of Topotecan at 24 h are 2.73±0.25 μM of U251 cells, 2.95±0.23 μM of U87 cells, 5.46±0.41 μM of GSCs-U251 and 5.95 μM of GSCs-U87[1][2].
Camptothecin-d5 is the deuterium labeled Camptothecin. Camptothecin (CPT), a kind of alkaloid, is a DNA topoisomerase I (Topo I) inhibitor with an IC50 of 679 nM[1]. Camptothecin (CPT) exhibits powerful antineoplastic activity against colorectal, breast, lung and ovarian cancers, modulates hypoxia-inducible factor-1α (HIF-1α) activity by changing microRNAs (miRNA) expression patterns in human cancer cells[2][3].
Enoxacin-d8 (hydrochloride) is deuterium labeled Enoxacin. Enoxacin (AT 2266), a fluoroquinolone, interferes with DNA replication and inhibits bacterial DNA gyrase (IC50=126 µg/ml) and topoisomerase IV (IC50=26.5 µg/ml). Enoxacin is a miRNA processing activator and enhances siRNA-mediated mRNA degradation and promotes the biogenesis of endogenous miRNAs. Enoxacin has potent activities against gram-positive and -negative bacteria. Enoxacin is a cancer-specific growth inhibitor that acts by enhancing TAR RNA-binding protein 2 (TRBP)-mediated microRNA processing[1][2][3][4].
DNA topoisomerase II; DNA topoisomerase II-alpha; TOP2; TP2A; alpha isozyme, topoisomerase II alpha
WB, IHC-P, IP
Human, Mouse, Rat
TOP2A Antibody is a non-conjugated and Rabbit origined monoclonal antibody about 174 kDa, targeting to TOP2A. It can be used for WB, IHC-P, IP assays with tag free, in the background of Human, Mouse, Rat.
DBCO-PEG4-GGFG-Dxd is a agent-linker conjugate for ADC with potent antitumor activity by using Dxd (a DNA topoisomerase I inhibitor), linked via the cleavable ADC linker DBCO-PEG4-GGFG . DBCO-PEG4-GGFG-Dxd is a click chemistry reagent, it contains a DBCO group that can undergo strain-promoted alkyne-azide cycloaddition (SPAAC) with molecules containing Azide groups.
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