PARP

Quinidine gluconic acid is an orally active antiarrhythmic agent. Quinidine gluconic acid reduces the expression level of P-gp, inhibits P-gp-mediated efflux, increases the intracellular accumulation of P-gp substrates, induces PARP cleavage and Caspase-3 activation, and elevates the proportion of Apoptotic cells at the sub-G1 phase. Quinidine gluconic acid exerts sustained block and open-channel block effects on I_K(f). Quinidine gluconic acid alters the urinary metabolic ratio of Amphetamine, modulates the Pentylenetetrazol-induced seizure threshold, and regulates the anticonvulsant effect of Dextromethorphan. Quinidine gluconic acid can be used in studies related to uterine sarcoma and seizures.

PARP1-IN-49 is a selective PARP1 inhibitor with an IC₅₀ of 23.56 nM and a K_d of 17.78 nM. PARP1-IN-49 shows a selectivity for PARP1 over PARP2. PARP1-IN-49 leads to the induction of DNA damage, cell cycle arrest, and apoptosis. PARP1-IN-49 also increases intracellular ROS levels and inhibits cell migration. PARP1-IN-49 can be used for the research of breast cancer and ovarian cancer.

Jujuboside B (Standard) is the analytical standard of Jujuboside B. This product is intended for research and analytical applications. Jujuboside B is a bioactive saponin component isolated from Ziziphi Spinosae Semen (sour jujube seed), with oral efficacy and blood-brain barrier permeability. Jujuboside B induces acute leukemia cell death and drives necroptosis apoptosis by activating the RIPK1/RIPK3/MLKL pathway. Jujuboside B upregulates the expression of NOXA, PARP and caspase-3, activates AMPK, inhibits the proliferation of breast cancer cells, and induces cell apoptosis and autophagy. Jujuboside B inhibits angiogenesis and tumor growth by blocking the VEGFR-2 signaling pathway. Jujuboside B alleviates liver injury in mice by regulating the Nrf2-STING signaling pathway. Jujuboside B alleviates liver injury by regulating anti-inflammatory responses and downregulating the expression of 11β-HSD2. Jujuboside B induces ferroptosis and overcomes radioresistance in non-small cell lung cancer via the PPARγ-ATF3-Gpx4 signaling pathway. Jujuboside B exerts inhibitory effects on platelet aggregation. Jujuboside B inhibits febrile seizures by suppressing the activity of AMPA receptors. Jujuboside B reverses chronic unpredictable mild stress-promoted tumor progression by blocking the PI3K/Akt and MAPK/ERK pathways and dephosphorylating CREB signaling. Jujuboside B is applicable to related studies on acute leukemia, breast cancer, PM_2.5-induced lung injury, hepatotoxicity, liver injury, colorectal cancer, non-small cell lung cancer, thromboembolic diseases, cardiovascular diseases associated with high platelet aggregation, febrile seizures, and depressive-like phenotypes.

PARP1-IN-42 (Example 43 cis-a) is a PARP1 inhibitor with IC₅₀ <10 nM. PARP1-IN-42 can be used in cancer research.

TNKS1/2-IN-2 (Compound 21) is a potent and selective tankyrases inhibitor. TNKS1/2-IN-2 exhibits IC₅₀ values of 4 nM and 63 nM against TNK1 and TNK2 in the enzymatic assay, respectively. TNKS1/2-IN-2 inhibits proliferation of A549 and H292 cell lines with IC₅₀ values of 39.5 nM and 12.8 nM, respectively. TNKS1/2-IN-2 can be used for the research of cancer.

PARP1/PKM2-IN-1 is a dual PARP1/PKM2 inhibitor, with an IC₅₀ of 39.5 nM against PARP1, and IC₅₀ values of 261 nM (recombinant PKM2) and 50 nM (dimeric PKM2) against PKM2. PARP1/PKM2-IN-1 reduces the dimerization of PKM2 and decreases its nuclear accumulation level. PARP1/PKM2-IN-1 also selectively downregulates PKM2 mRNA and impairs poly (ADP-ribose)-mediated nuclear retention of PKM2. PARP1/PKM2-IN-1 exhibits antiproliferative activity and inhibits the formation of 3D cancer spheroids. PARP1/PKM2-IN-1 can be used in research related to mammary adenocarcinoma, triple-negative breast cancer, BRCA1-mutant triple-negative breast cancer, and prostate adenocarcinoma.

Anticancer agent 137 (8q) is a potent PI3k inhibitor. Anticancer agent 137 has broad-spectrum anticancer activity. Anticancer agent 137 induces G2/M cell cycle arrest and apoptosis. Anticancer agent 137 increases cleaved PARP, caspase 3, and 7. Anticancer agent 137 can be used in research of cancer.

OM-1700 is a potent tankyrase inhibitor with IC₅₀s of 127 and 14 nM for tankyrase 1 and tankyrase 2, respectively. OM-1700 reduces cell growth in the colon cancer cell line COLO 320DM (GI₅₀=650 nM).

TOPOI/PARP-1-IN-2 (compound 6c) is a dual PARP-1 and topoisomerase 1 (TOPO-1) inhibitor with IC₅₀s of 32.2 nM and 46.2 nM, respectively. TOPOI/PARP-1-IN-2 shows a selectivity for PARP-1 over PARP-2. TOPOI/PARP-1-IN-2 disrupts the cell cycle at the S phase and induces apoptosis in NCI-60 cancer cell lines.

Antitumor agent-170 (Compound C6) exhibits inhibitory activities against PD-1/PD-L1 interaction and PARP7, with IC₅₀ of 0.342 μM and 7.05 nM. Antitumor agent-170 exhibits a high affinity to human PD-L1, with a K_i of 9.31 nM. Antitumor agent-170 restores the T cell function and increases IFN-γ secretion. Antitumor agent-170 exhibits antitumor efficacy against melanoma in mouse models and good pharmacokinetic characteristics.

ICA-1S is a specific PKC-ι inhibitor. ICA-1S can inhibit MAPK/JNK signaling pathway and downregulate the levels of c-Jun and TNF-α. ICA-1S inhibits the proliferation of breast cancer cells. ICA-1S induces apoptosis of breast cancer cells. ICA-1S can be used in breast cancer-related research.

HSP90-IN-11 is a HSP90 inhibitor with an IC₅₀ of 27.8 nM. HSP90-IN-11 inhibits the activity of HSP90, which in turn induces rapid degradation of EGFR and Akt proteins in non-small cell lung cancer (NSCLC) cells. HSP90-IN-11 induces accumulation of the G1 subphase cell population in NSCLC cells, activates caspase-3, caspase-8, caspase-9 and PARP, thereby triggering apoptosis. HSP90-IN-11 exhibits antiproliferative activity in colorectal cancer and NSCLC cells. HSP90-IN-11 can be used for the research of colorectal cancer and non-small cell lung cancer.

iRucaparib-TP3 is a selective PARP1 degrader (DC₅₀=36 nM). iRucaparib-TP3 is promising for research of oncology (e.g., BRCA-mutated cancers) and neurodegenerative diseases.

PARP1-IN-15 (Compound 6) is a PARP1 inhibitor. PARP1-IN-15 inhibits tankyrase (TNKS) and facilitates DNA double-strand breaks damage. PARP1-IN-15 induces tumor cell apoptosis. PARP1-IN-15 has anti-cancer activity in triple-negative breast cancer (TNBC) cells and TNBC patient-derived organoids. PARP1-IN-15 can be used for research of TNBC with or without BRCA1 mutations.

PARP1/c-Met-IN-3 (Compound L19) is a selective c-Met and PARP1 inhibitor, with an IC₅₀ of 5.4 nM against c-Met and an IC₅₀ of 3.7 nM against PARP1. PARP1/c-Met-IN-3 inhibits PARP2 enzymatic activity with an IC₅₀ of 4.52 nM, and shows no specificity for PARP1 and PARP2. PARP1/c-Met-IN-3 induces cell cycle arrest and apoptosis. PARP1/c-Met-IN-3 exhibits anti-tumor activity against triple-negative breast cancer.

PARP1-IN-44, an Olaparib (HY-10162) derivative, is an orally active PARP1 inhibitor (IC₅₀ = 0.6 nM), and also inhibits PARP2 (IC₅₀ = 1.0 nM) and PARP7 (IC₅₀ = 7.5 nM). PARP1-IN-44 has selective antiproliferative activity against BRCA-deficient cancer cells with minimal toxicity to normal cells. PARP1-IN-44 induces G2/M phase arrest, promotes apoptosis, elevates ROS levels, disrupts mitochondrial membrane potential. PARP1-IN-44 suppresses PARylation while increasing γH2AX accumulation. PARP1-IN-44 activates the cGAS-STING pathway, upregulating IFN-β and CXCL10 expression. PARP1-IN-44 enhancing CD8+ T cell infiltration in a CT26 tumor mouse model, demonstrating robust in vivo antitumor efficacy.