CU-TZD-20 is a PARP-1 inhibitor. CU-TZD-20 has a high affinity for binding to the PARP-1 catalytic domain and good structural stability. CU-TZD-20 competitively occupies NAD+ binding sites and forms stable interactions with key catalytic residues. CU-TZD-20 can be used for cancer research.

8-ET-NAD+ (sodium) is the derivative of NAD+. 8-ET-NAD+ (sodium) can be used in screening of PARP1 gatekeeper mutations. 8-ET-NAD+ (sodium) can be studied in research on cancer.

OUL312 is a potent PARP10 inhibitor (IC50 = 20 nM), showing more than 75-fold greater selectivity for PARP15(IC50 = 1500 nM). OUL312 is also at least 18-fold higher than all other human enzymes in the family. OUL312 has a good ADME profile, is able to enter cells, is not toxic, and effectively rescues human cells from PARP10-induced apoptosis at sub-micromolar concentrations. OUL312 can be used for the study of cervical 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.

CEP-6800 is an inhibitor of PARP-1 with chemopotentiating ability. CEP-6800 attenuates irinotecan- and Temozolomide-induced poly(ADP-ribose) accumulation in LoVo as well as HT29 xenografts. CEP-6800 can suppress Calu-6 tumor growth. CEP-6800 can be studied in anti-cancer research.

PARP14 inhibitor 2 (Compound 3) is an orally active and highly selective PARP14 inhibitor with an IC50 value of <30 nM. PARP14 inhibitor 2 inhibits the mono-ADP-ribosyltransferase activity of PARP14 and regulates IFN-γ and IL-4 signaling, reversing protumor macrophage polarization and inhibiting anti-tumor inflammatory responses. PARP14 inhibitor 2 is promising for research of PARP14-related diseases such as tumors, atopic dermatitis and autoimmune diseases.

INH2BP is a poly(ADP-ribose) polymerase (PARP) inhibitor with antioxidant and anti-apoptotic activities. INH2BP reduces the production of intracellular reactive oxygen species (ROS), modulates the expression of apoptosis-related proteins such as Bax, Bcl-2 and cleaved caspase-3 and enhances cell survival through the activation of the ERK1/2 and p38 MAPK signaling pathways. INH2BP is promising for research of cardiovascular diseases.

RBN010860 (example 150) is a potent PARP7 inhibitor with an IC50 of <0.1 μM. RBN010860 can be used for the study of cancer.

KWZY-11 (Compound 11) is a potent PARP/CDK6 dual inhibitor with IC50 values of 156.8, 197.3, and 13.3 nM for PARP1, PARP2, and CDK6, respectively. KWZY-11 inhibits tumor cell proliferation by regulating the Wnt/β-catenin signaling pathway. KWZY-11 induces excessive DNA damage and apoptosis in MDA-MB-231 breast cancer cells.

NU1064 (dihydrochloride) is an inhibitor of PARP. NU1064 (dihydrochloride) potentiates the cytotoxicity of DNA-methylating agent (MTIC) in a concentration-dependent manner.

Lotixparib (Example 1) is an inhibitor of poly(ADP-ribose)polymerase-1 (PARP-1). Lotixparib has cytoprotective effect against a retinal disease. Lotixparib can be studied in research for PARP-1-associated diseases.

ZINC000081009201 is a potent poly(ADP-ribose) polymerase 1 (PARP1) inhibitor with an IC50 value of 1.4767 μM. ZINC000081009201 is promising for research of triple-negative breast cancer (TNBC).

A-620223 is a PARP-1 inhibitor with a Ki of 8 nM against PARP-1 and EC50 of 3 nM in a whole cell assay. A-620223 demonstrates good in vivo efficacy in a B16F10 subcutaneous murine melanoma model in combination with Temozolomide (TMZ) and in an MX-1 breast xenograph model in combination with Cisplatin. A-620223 can be used for the studies of melanoma and breast cancer.

DDO3602 is a PARP1 HEMTAC degradation agent mediated by HSP90. DDO3602 has good anti-tumor activity and tumor selectivity. DDO3602 induces G2/M phase arrest, DNA damage, and inhibits cell migration by degrading PARP1 in MCF-7 cells (IC50 = 187 nM). DDO3602 can be used for research on cancer such as breast cancer.

ZINC43120769 is a PARP1 inhibitor. ZINC43120769 can be used in prostate cancer (PC) research.

ZINC20906412 is a poly(ADP-ribose) polymerase-10 (PARP10) inhibitor. ZINC20906412 can be used for the research of cancer.

TDI-012804 is a TNKS2 inhibitor that selectively inhibits intracellular endogenous TNKS2 protein. TDI-012804 increases the expression of AXIN1 protein in cells that are heterozygous (Tnks1HET) and completely knocks out (Tnks1KO) for TNKS1. TDI-012804 inhibits the proliferation of ApcQ1405X/Tnks1KO organoids (EC50 of 59.1 nM) and is selectively toxic to Tnks1KO AKP-G12D and AKP-G13D organoids.

KU-0058948 is a specific and potent PARP1 inhibitor with an IC50 of 3.4 nM. KU-0058948 induces cell cycle arrest and apoptosis of primary myeloid leukemic cells and myeloid leukemic cell lines.

Itareparib is the inhibitor for PARP and exhibits antineoplastic activity.

EAPB0503 is a quinoline compound with anti-tumor activity, showing strong cytotoxicity against melanoma cells in vitro (IC50=200 nM). EAPB0503 can induce specific cell cycle arrest in mitosis of CML cells and directly activate apoptosis, leading to an increase in the G0 cell population, disruption of mitochondrial membrane potential, PARP cleavage, and DNA fragmentation. EAPB0503 also reduces the levels of BCR-ABL protein .

BSI-401 is an orally active PARP-1 inhibitor. BSI-401 alone and in synergism with Oxaliplatin. Ocifisertib hydrochloride is an orally active PLK4 inhibitor with a Ki and an IC50 of 0.26 nM and 2.8 nM. Ocifisertib hydrochloride inhibits growth of various cancer cells, arrests cell cycles at G2/M phase, and induces apoptosis. Ocifisertib hydrochloride exhibits antitumor efficacy in mouse model.

Benadrostin is a Poly(ADP-ribose) synthetase inhibitor with an IC50 of 35 μM.

ARCher-142 (compound S8) is a potent tankyrase inhibitor. ARCher-142 selectively binds to ARC4 with potency of 8 µM.

(rac)-Talazoparib ((rac)-BMN-673) (Compound 47) is the orally active inhibitor for PARP1/2 with Ki of 1.2 nM and 0.87 nM. (rac)-Talazoparib inhibits cellular PARylation with an EC50 of 2.51 nM. (rac)-Talazoparib causes the accumulation of DNA damage, inhibits proliferation of BRCA1/2-mutated MX-1 cell and Capan-1 cell with IC50 of 0.3 nM and 5 nM. (rac)-Talazoparib exhibits antitumor efficacy in mouse models.

Thioparib is a next-generation potent, orally bioavailable pan-PARP inhibitor with IC50 of 0.13/0.006 nM (PARP1/2), overcomes multiple PARPi resistance both in vitro and in vivo.

AZD2461 is indeed a novel poly (ADP-ribose) polymerase (PARP) inhibitor that has been investigated for its potential to overcome resistance mechanisms associated with other PARP inhibitors, such as Olaparib. One of the key resistance mechanisms to Olaparib is mediated by P-glycoprotein (Pgp), an efflux pump that can reduce intracellular concentrations of the drug, thereby diminishing its efficacy.

OUL232 is a potent inhibitor of mono-ARTs PARP7, PARP10, PARP11, PARP12, PARP14, and PARP15. OUL232 is the most potent PARP10 inhibitor described to date (IC50=7.8 nM), as well as the first PARP12 inhibitor ever reported.

OUL35 (NSC39047) is a potent and selective inhibitor of mono-ADP-ribosyltransferase PARP10/ARTD10 with IC50 of 330 nM, displays remarkable selectivity towards ARTD10 over other enzymes in the human protein family.

Morataprib Plus is a novel anticancer small molecule that disrupts mortalin-p53 interaction, prevents the interaction of mortalin with p53 resulting in the activation of growth arrest and apoptosis mediated by activation of p21WAF1 or BAX and PUMA signall

Mortaparib is a dual inhibitor of mortalin-PARP1 interaction, and a p53 activating cytotoxic compound, induces activation of growth arrest and apoptosis signaling in cancer cells in vitro and in vivo.