1. Signalwege
  2. Cell Cycle/DNA Damage
  3. Topoisomerase
  4. Topoisomerase Inhibitor

Topoisomerase Inhibitor

Topoisomerase Inhibitors (713):

Art. -Nr. Produktname Wirkung Reinheit
  • HY-15753R
    Ellipticine (Standard)
    Inhibitor
    Ellipticine (Standard) is the analytical standard of Ellipticine. This product is intended for research and analytical applications. Ellipticine (NSC 71795) is a potent antineoplastic agent; inhibits DNA topoisomerase II activities.
  • HY-181820
    Topoisomerase IV-IN-3
    Inhibitor
    Topoisomerase IV-IN-3 is a Staphylococcus aureus Topoisomerase IV inhibitor, DNA gyrase inhibitor and antibacterial agent. Topoisomerase IV-IN-3 has IC50 values of 1.32 μM and 0.48 μM against topoisomerase IV, and 0.88 μM and 0.54 μM against DNA gyrase. Topoisomerase IV-IN-3 inhibits decatenation, ATPase, and supercoiling activities of its target enzymes. Topoisomerase IV-IN-3 exerts antibacterial activity against Gram-positive and Gram-negative bacterial strains. Topoisomerase IV-IN-3 exhibits low cytotoxicity toward human fibroblast cells. Topoisomerase IV-IN-3 can be used for the research of bacterial infections.
  • HY-101647AR
    Intoplicine dimesylate (Standard)
    Inhibitor
    Intoplicine (dimesylate) (Standard) is the analytical standard of Intoplicine (dimesylate) (HY-101647A). This product is intended for research and analytical applications. 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 105 /M) and thereby increases the length of linear DNA.
  • HY-17381R
    Idarubicin hydrochloride (Standard)
    Inhibitor
    Idarubicin (hydrochloride) (Standard) is the analytical standard of Idarubicin (hydrochloride). This product is intended for research and analytical applications. 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.
  • HY-13502AR
    Mitoxantrone dihydrochloride (Standard)
    Inhibitor
    Mitoxantrone (dihydrochloride) (Standard) is the analytical standard of Mitoxantrone (dihydrochloride). This product is intended for research and analytical applications. 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.
  • HY-106307
    Retelliptine
    Inhibitor
    Retelliptine (BD84), a derivative of ellipticine, is an inhibitor of Topoisomerase II with anticancer activity. Retelliptine can bind to DNA and inhibit Topoisomerase II during DNA replication.
  • HY-10581R
    Gatifloxacin (Standard)
    Inhibitor
    Gatifloxacin (Standard) is the analytical standard of Gatifloxacin. This product is intended for research and analytical applications. 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. aureus topoisomerase IV) and E. coli DNA gyrase (IC50=0.109 μg/ml). Gatifloxacin can be used to treat bacterial conjunctivitis in vivo.
  • HY-A0170R
    Trovafloxacin (Standard)
    Inhibitor
    Trovafloxacin (Standard) is the analytical standard of Trovafloxacin. This product is intended for research and analytical applications. 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.
  • HY-164271
    10-Boc-SN-38
    Inhibitor
    10-Boc-SN-38 is a tert-butyloxycarbonyl (Boc)-protected form of SN-38 (HY-13704). SN-38 is the active metabolite of Irinotecan (HY-16562).
  • HY-101775AR
    9-Hydroxyellipticine hydrochloride (Standard)
    Inhibitor
    9-Hydroxyellipticine (hydrochloride) (Standard) is the analytical standard of 9-Hydroxyellipticine (hydrochloride). This product is intended for research and analytical applications. 9-Hydroxyellipticine hydrochloride is a inhibitor of Topo II and RyR. 9-Hydroxyellipticine hydrochloride exhibits antitumor, antioxidant and catecholamine-releasing activities. 9-Hydroxyellipticine hydrochloride exhibits IC50 values of 1.6 μM and 1.2μM in Hela S-3 and 293T cells, respectively.
  • HY-15753AR
    Ellipticine hydrochloride (Standard)
    Inhibitor
    Ellipticine (hydrochloride) (Standard) is the analytical standard of Ellipticine (hydrochloride). This product is intended for research and analytical applications. Ellipticine (NSC 71795) hydrochloride is a potent antineoplastic agent; inhibits DNA topoisomerase II activities.
  • HY-156462
    Topoisomerase I inhibitor 9
    Inhibitor
    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.
  • HY-W653896
    Alternariol-d2
    Inhibitor
    Alternariol-d2 is deuterium labeled Alternariol. Alternariol is an orally ingested mycotoxin produced by Alternaria, capable of inhibiting the activity of topoisomerase I and II (topoisomerase I, topoisomerase II). Alternariol has weak estrogenic (Estrogen Receptor/ERR) and androgen/antiandrogen (Androgen Receptor) effects. Alternariol can induce apoptosis, trigger cell cycle arrest, suppress innate immune responses, and exhibit anti-tumor activity. Alternariol has genotoxic, mutagenic, and endocrine-disrupting effects.
  • HY-113718
    DS21412020
    Inhibitor
    DS21412020 is a fluoroquinolone antibacterial agent. DS21412020 inhibits bacterial DNA gyrase (GyrA) and topoisomerase IV, leading to DNA breaks. DS21412020 exhibits significant activity against Gram-positive bacteria such as Staphylococcus aureus (MIC = 0.006 μg/mL), Streptococcus pneumoniae (MIC = 0.05 μg/mL), and Methicillin (HY-121544)-resistant Staphylococcus aureus (MIC = 0.2 μg/mL), and Gram-negative bacteria such as Escherichia coli (MIC = 0.006 μg/mL) and Pseudomonas aeruginosa (MIC = 0.78 μg/mL). DS21412020 significantly reduces bacterial load in mouse pneumonia and MRSA infection models. DS21412020 can be used in the development of next-generation quinolone antibiotics.
  • HY-N0716
    Berberine
    Inhibitor
    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.
  • HY-10982R
    Amonafide (Standard)
    Inhibitor
    Amonafide (Standard) is the analytical standard of Amonafide. This product is intended for research and analytical applications. Amonafide is a topoisomerase II inhibitor and DNA intercalator that induces apoptotic signaling by blocking the binding of Topo II to DNA.
  • HY-118726
    Luotonin F
    Inhibitor
    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.
  • HY-118379
    NU/ICRF 500
    Inhibitor
    NU/ICRF 500 is a topo II catalytic inhibitor which increases CREST negative micronuclei in human lymphocytes.
  • HY-13502R
    Mitoxantrone (Standard)
    Inhibitor
    Mitoxantrone (Standard) is the analytical standard of Mitoxantrone. This product is intended for research and analytical applications. 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.
  • HY-133219
    Guajadial C
    Inhibitor
    Guajadial C is a Top1 catalytic inhibitor that delays Top1 poison-mediated DNA damage. Guajadial C shows cytotoxicity against cancer cells.