parp-2

PARP-2-IN-3 is used as a potent PARP-2 inhibitor (IC50=0.07 μM) with anti-tumor activity that induces apoptosis and necrosis in cancer cells, and can be used for the study of breast cancer.128-52-56-8

PARP/PI3K-IN-1 is a novel dual poly (ADP-ribose) polymerase (PARP) and phosphatidylinositol 3-kinase (PI3K) dual inhibitor with anticancer, antitumour and antiproliferative activities for the study of breast, pancreatic and lung cancers.

PARP-2-IN-1 is a potent and selective inhibitor of PARP-2 (IC50 of 11.5 nM).

PARP-2/1-IN-2, an enantiomer of Veliparib, serves as a potent inhibitor of PARP, demonstrating inhibition constants (Kis) of 2 nM for PARP-2 and 5 nM for PARP-1. This compound exhibits a half-maximal effective concentration (EC50) of 3 nM in cell-based assays evaluating PARP activity [1].

PARP-1-IN-2 is a potent PARP1 inhibitor that crosses the blood-brain barrier (IC50: 149 nM).PARP-1-IN-2 showed significant antiproliferative activity against the human lung adenocarcinoma epithelial cell line A549 in cellular assays.PARP-1-IN-2 induced apoptosis in A549 cells.

TOPOI/PARP-1-IN-2 (compound 6c) serves as a dual inhibitor targeting both PARP-1 and topoisomerase 1 (TOPO-1), with IC50 values of 32.2 nM and 46.2 nM, respectively. This compound exhibits greater selectivity for PARP-1 over PARP-2. Additionally, TOPOI/PARP-1-IN-2 disrupts the S phase of the cell cycle and induces apoptosis in the NCI-60 cancer cell lines.

Tubulin/PARP-IN-2 is a dual inhibitor targeting PARP and tubulin proteins. It inhibits the activity of PARP1, PARP2, and tubulin with IC50 values of 74 nM, 109 nM, and 1.4 μM, respectively. Tubulin/PARP-IN-2 induces apoptosis and autophagy and causes cell cycle arrest in the G2/M phase.

PARP/EZH2-IN-2 (compound 12e) functions as a dual inhibitor targeting both PARP1 and EZH2, with IC50 values of 6.89 and 27.34 nM, respectively. This compound exhibits anticancer activity without toxicity to normal cells, achieving synthetic lethality indirectly by increasing PARP1 sensitivity through EZH2 inhibition, and inducing cell death by modulating excessive autophagy.

PARP-1-/2-IN-1 is a potent inhibitor of PARP-1 (IC50: 0.51 nM) and PARP-2 (IC50: 23.11 nM).

PARP-1/2-IN-2-IN-1 (Compound 12e) effectively inhibits PARP1/2 and CDK12 with IC50 values of 34 nM, 30 nM, and 285 nM respectively, impairing DNA damage repair and inducing cell cycle arrest and apoptosis. This compound also hampers the proliferation of TNBC cells and the growth of TNBC xenograft tumors [1].

PARP-1/2/7-IN-1 (compound 86) is a highly effective inhibitor of PARP-1/2/7, demonstrating an IC50 value of less than 10 nM .

Olaparib (KU0059436) is a small molecule inhibitor of PARP1/PARP2 (IC50=5/1 nM), with weak inhibitory activity against PARP tankyrase-1 (IC50=1.5 μM), and is selective and orally active. Olaparib exhibits autophagy and mitochondrial autophagy activation activity.

PARP1/2/TNKS1/2-IN-1 is a multi-target inhibitor of PARP-1, PARP-2, TNKS1, and TNKS2, with potential anti-tumor activity that induces apoptosis.

Veliparib (ABT-888) (ABT-888) is an orally bioavailable inhibitor of PARP (Kis: 5.2/2.9 nM for PARP1/2). It enhances apoptosis and autophagy.

Niraparib (MK-4827) is a PARP inhibitor that selectively targets PARP1 and PARP2 (IC50=3.8/2.1 nM), exhibiting antitumor activity, inhibiting DNA damage repair, and inducing apoptosis.

UPF 1069 is a specific PARP2 inhibitor ( IC50: 0.3 μM). It is ~27-fold selective against PARP1.

PARP10-IN-2 is a potent inhibitor of PARP10, a mono-ADP-ribosyltransferase, with an IC50 value of 3.64 μM for human PARP10. It also inhibits PARP2 and PARP15, with IC50 values of 27 μM and 11 μM, respectively.

DR2313 is a competitive inhibitor of poly(ADP-ribose) polymerase (IC50: 0.20 and 0.24 μM for PARP-1 and PARP-2 respectively). It also has neuroprotective.

E7449 (UNII-9X5A2QIA7C) is a potent PARP1 and PARP2 inhibitor and also inhibits TNKS1 and TNKS2, with IC50s of 2.0, 1.0, ～50 and ～50 nM for PARP1, PARP2, TNKS1 and TNKS2, respectively, using 32P-NAD+ as substrate.

PJ34 HCl is the hydrochloride salt of PJ34, which is a PARP inhibitor with EC50 of 20 nM and is equally potent to PARP1/2.

Talazoparib tosylate (BMN 673ts) is an orally active and highly potent PARP1/2 inhibitor with antitumor activity for the study of specific breast cancers.

Veliparib dihydrochloride (ABT-888 dihydrochloride) is a potent inhibitor of PARP1 and PARP2 with Ki of 5.2 nM and 2.9 nM in cell-free assays, respectively. It is inactive to SIRT2.

MK-4827 Racemate (Niraparib Racemate) is a selective PARP1 and PARP2 inhibitor with IC50s of 3.8 nM and 2.1 nM, respectively, over 330-fold selectivity for PARP3, V-PARP and Tank1.

Niraparib hydrochloride (MK-4827 hydrochloride) is an inhibitor of poly (ADP-ribose) polymerase (PARP) with potential antineoplastic activity. By inhibiting PARP activity, niraparib hydrochloride increases DNA strand breaks, leading to genomic instability and apoptosis. The PARP family of proteins detects and repairs single-strand DNA breaks via the base-excision repair (BER) pathway.