PARP Inhibitor

Antitumor agent-104 (Compound 9) is an antitumor agent by inhibiting DNA damage repair in tumors. Antitumor agent-104 inhibits PARP1 enzymatic activity and the PAR protein level. Antitumor agent-104 also inhibits the expression of CDK12.

PARP-1/2-IN-2-IN-1 (Compound 12e) is a PARP1/2/CDK12 inhibitor (IC₅₀: 34, 30 and 285 nM respectively). PARP-1/2-IN-2 inhibits DNA damage repair, promotes cell cycle arrest and apoptosis. PARP-1/2-IN-2 inhibits the growth of TNBC cells and TNBC xenograft tumor.

4F-DDC is a novel PARP1 inhibitor with an IC₅₀ value of 82 nM. 4F-DDC induces DNA damage and activates the cGAS–STING pathway. 4F-DDC inhibits the growth of HCC-1937-derived tumor xenografts.

PARP1-IN-40 is a highly selectively and orally active PARP1 inhibitor (IC₅₀: 0.19 nM for PARP1, 26 nM for PARP2). PARP1-IN-40 kills tumor cells by inhibiting PARP1, leading to accumulation of DNA damage. PARP1-IN-40 has high antitumor activity against BRCA mutant MDA-MB-436 cells. PARP1-IN-40 can be used in combination with chemotherapy for cancer-related research.

PARP1-IN-58 is a ROS-responsive prodrug constructed based on a natural stilbene scaffold, and its active parent nucleus 24c acts as a selective PARP-1 inhibitor. PARP1-IN-58 only hydrolyzes to release the active parent compound in the high-ROS microenvironment of tumors; the active parent compound competitively binds to PARP-1 and blocks DNA single-strand damage repair, upregulates intracellular ROS levels, reduces mitochondrial membrane potential, and thereby induces cell cycle arrest and mitochondria-dependent apoptosis. PARP1-IN-58 exerts potent proliferation-inhibiting effects on BRCA-deficient breast cancer cells under simulated tumor oxidative stress conditions, and exhibits tumor growth inhibitory activity in breast cancer xenograft models. PARP1-IN-58 can be used in cancer-related research.

PARP7-IN-26 (Compound 1) is a PARP7 inhibitor. PARP7-IN-26 forms a stable cocrystal with oxalic acid through hydrogen bonding, thereby increasing its stability. PARP7-IN-26 can be used in research related to cancer and viral infections.

PARP1-IN-53 (Compound 328) is a quinazolinone derivative and PARP1 inhibitor with a PARP1 IC₅₀ of 0.1 nM and selectivity over PARP2, which has a PARP2 IC₅₀ of 23 nM.PARP1-IN-53 can be used for the research of cancer.

PARP10 Human Pre-designed siRNA Set A contains three designed siRNAs for PARP10 gene (Human), as well as a negative control, a positive control, and a FAM-labeled negative control.

2'-Nitroflavone is a PARP1 inhibitor. 2'-Nitroflavone inhibits the proliferation, induces cell cycle arrest and apoptosis of triple-negative breast cancer cells. 2'-Nitroflavone also inhibits the migration of triple-negative breast cancer cells and endothelial cells. 2'-Nitroflavone exhibits antitumor activity and can be used in the research of tumors such as triple-negative breast cancer.

PARP1/c-Met-IN-2 is a highly potent, orally active, PARP1 (IC₅₀ = 21.8 nM) and c-Met (IC₅₀ = 30.2 nM) dual inhibitor. PARP1/c-Met-IN-2 can elevate the expression level of γH2AX, cause DNA damage. PARP1/c-Met-IN-2 exhibits remarkable anti-tumor efficacy in the Olaparib (HY-10162)-resistant HCT116 (HCT116OR) xenograft models. PARP1/c-Met-IN-2 can be used for the study of Colon Cancer.

PARP10-IN-1 is a PARP10 inhibitor with an IC₅₀ of 1.8 μM, 2.7 μM, and >10-fold selectivity over most PARP family members, excluding PARP7 and PARP16.PARP10-IN-1 inhibits PARP10-mediated mono-ADP-ribosylation, including auto-MARylation of PARP10 and MARylation of its protein targets.PARP10-IN-1 is membrane permeable and inhibits PARP10-dependent MARylation in human embryonic kidney cells.PARP10-IN-1 can be used for the research of cancer.

HER4/HER2-IN-1 (Compound 4b) is a HER4/HER2 inhibitor. HER4/HER2-IN-1 inhibits the proliferation of HER2-positive cells. HER4/HER2-IN-1 reduces the total expression level of HER2 in A431 cells, while the phosphorylated HER2 (p-HER2) does not decrease. HER4/HER2-IN-1 lowers the level of cell cycle protein D1 (cyclin D1) and stimulates the cleavage of PARP. HER4/HER2-IN-1 can be used for the study of cancer, such as breast cancer.

MAHS-4 is an inhibitor of thymidylate synthase (TS) and dihydrofolate reductase (DHFR), with IC₅₀ values of 1.918 μM and 83.53 μM, respectively. MAHS-4 inhibits thymidylate biosynthesis, reduces tetrahydrofolate pool maintenance, and interferes with extracellular matrix remodeling. MAHS-4 induces G2/M phase cell cycle arrest, activates endogenous caspase-dependent apoptosis, decreases MMP protein levels, inhibits cell migration, increases intracellular NO levels, and promotes autophagy activity. MAHS-4 is applicable for cancer-related research.

Parp10 Rat Pre-designed siRNA Set A contains three designed siRNAs for Parp10 gene (Rat), as well as a negative control, a positive control, and a FAM-labeled negative control.

TNKS-2-IN-3 (Compound 5) is a selective competitive tankyrase 2 (TNKS2) inhibitor with an IC₅₀ value of 0.3 nM, showing over 20-fold selectivity over TNKS1 and more than 100-fold selectivity over PARP1/2. TNKS-2-IN-3 stabilizes axin and suppresses the Wnt/β-catenin pathway by inhibiting TNKS2-mediated ADP-ribosylation, exhibiting antiproliferative activity in colorectal cancer cells. TNKS-2-IN-3 is proming for rasearch of solid tumors with aberrant Wnt pathway activation, such as colorectal cancer.

DiPT-4 is a dual TOP1/PARP1 inhibitor that induces massive DNA double-strand breaks (DSBs), cell cycle arrest, and apoptosis in cancer cells. DiPT-4 has the potential to overcome cancer drug resistance.

Veliparib (Standard) is the analytical standard of Veliparib. This product is intended for research and analytical applications. Veliparib (ABT-888) is a potent PARP inhibitor, inhibiting PARP1 and PARP2 with Kis of 5.2 and 2.9 nM, respectively.

BIM-46174 is a heterotrimeric G protein complex inhibitor. BIM-46174 blocks GPCR downstream signaling by trapping Gα proteins in a nucleotide-free pocket conformation, thereby inhibiting Gαq-mediated calcium release, Gαs-mediated cAMP production, and GPCR-regulated cancer cell invasion. In vitro, BIM-46174 effectively suppresses a variety of clinically multidrug-resistant cell lines and induces tumor cell apoptosis through activation of caspase-3 and PARP cleavage. BIM-46174 also inhibits activation of the Neu1-MMP-9-GPCR signaling platform and downstream NF-κB signaling, and is widely used in the study of cancer signaling pathways and inflammation-related research, including lung cancer, pancreatic cancer, breast cancer, melanoma, and leukemia.

XAV-939 (Standard) is the analytical standard of XAV-939. This product is intended for research and analytical applications. XAV-939 is a Tankyrase inhibitor. XAV-939 has inhibitory activity for TNKS1 and TNKS2 with IC50 values of 5 nM and 2 nM, respectively. XAV-939 also is an enhancer of osteoblastic differentiation of hMSCs. XAV-939 can be used for the research of conditions associated with activated Wnt signaling, such as cancer, fibrotic diseases and conditions associated with low bone formation.

Rucaparib (phosphate) (Standard) is the analytical standard of Rucaparib (phosphate). This product is intended for research and analytical applications. Rucaparib (AG014699) phosphate is an orally active, potent inhibitor of PARP proteins (PARP-1, PARP-2 and PARP-3) with a Ki of 1.4 nM for PARP1. Rucaparib phosphate is a modest hexose-6-phosphate dehydrogenase (H6PD) inhibitor. Rucaparib phosphate has the potential for castration-resistant prostate cancer (CRPC) research.