RBN-2397 is a potent, accross species and orally active NAD+ competitive inhibitor of PARP7 (IC50<3 nM). RBN-2397 selectively binds to PARP7 (Kd=0.001 μM) and restores interferon (Type I) signaling. RBN-2397 has the potential for the study of advanced or metastatic solid tumors[1][2].
Lerzeparib is an (ADP-ribose) polymerase (PARP) inhibitor, with antineoplastic activity[1].
PARP10-IN-3 is a selective mono‐ADP‐ribosyltransferase PARP10 inhibitor with an IC50 of 480 nM for human PARP10. PARP10-IN-3 reveals potent inhibition on PARP2 and PARP15 with IC50s of 1.7 μM for human PARP2 and human PARP15, respectively[1].
Veliparib is a potent PARP inhibitor, inhibiting PARP1 and PARP2 with Kis of 5.2 and 2.9 nM, respectively.
PARP-1/2-IN-1 is a potent PARP-1/2 inhibitor with IC50 of 0.51 nM and 23.11 nM, respectively.
G007-LK is a potent and selective inhibitor of TNKS1 and TNKS2, with IC50s of 46 nM and 25 nM, respectively.
4'-Methoxychalcone regulates adipocyte differentiation through PPARγ activation. 4'-Methoxychalcone modulates the expression and secretion of various adipokines in adipose tissue that are involved in insulin sensitivity[1].
A-620223 (succinate) (ABT-472) is an orally available poly(ADP-ribose) polymerase (PARP) inhibitor. A-620223 (succinate) (ABT-472) exhibits very good potency against the PARP-1 enzyme with a Ki value of 8 nM and an EC50 value of 3 nM in whole cell assay, making it useful in cancer research[1].
1,5-Isoquinolinediol is a potent PARP inhibitor, with an IC50 of 0.18-0.37 µM. 1,5-Isoquinolinediol attenuates diabetes-induced NADPH oxidase-derived oxidative stress in retina[1][2].
Niraparib (MK-4827) tosylate hydrate is a highly potent and orally bioavailable PARP1 and PARP2 inhibitor with IC50s of 3.8 and 2.1 nM, respectively. Niraparib tosylate hydrate leads to inhibition of repair of DNA damage, activates apoptosis and shows anti-tumor activity[1][2][3].
5,7,4'-Trimethoxyflavone is isolated from Kaempferia parviflora (KP) that is a famous medicinal plant from Thailand. 5,7,4'-Trimethoxyflavone induces apoptosis, as evidenced by increments of sub-G1 phase, DNA fragmentation, annexin-V/PI staining, the Bax/Bcl-xL ratio, proteolytic activation of caspase-3, and degradation of poly (ADP-ribose) polymerase (PARP) protein.5,7,4'-Trimethoxyflavone is significantly effective at inhibiting proliferation of SNU-16 human gastric cancer cells in a concentration dependent manner[1].
TNKS-2-IN-1 (Compound 13g) is a TNKS-2 inhibitor. TNKS-2-IN-1 inhibits TNKS-1 and TNKS-2 with IC50s of 259 nM and 1100 nM[1].
Rucaparib (AG-014699, PF-01367338) is a potent and oral PARP1/2/3 inhibitor, with a Ki of 1.4 nM for PARP1 in cell-free assay, also showing binding affinity to eight other PARP domains.
KCL-440 is a CNS-penetrated PARP inhibitor, with an IC50 of 68 nM. KCL-440 has strong inhibition of PARP-1[1][2].
PARP-2/1-IN-2 (Compound 4a), the enantiomer of Veliparib (HY-10129), is a potent PARP inhibitor with Kis of 2 and 5 nM against PARP-2 and PARP-1, respectively. PARP-2/1-IN-2 has an EC50 of 3 nM in a cell based assay of PARP activity[1].
NU1025 is a potent PARP inhibitor with an IC50 of 400 nM and a Ki of 48 nM. NU1025 potentiates the cytotoxicity of ionizing radiation and anticancer drugs. NU1025 has anti-cancer and neuroprotective activity[1][2][3].
Tankyrase-IN-2 (compound 5k) is a potent, selective, and orally active tankyrase inhibitor (IC50s of 10, 7, and 710 nM for TNKS1, TNKS2 as well as PARP1, respectively). Tankyrase-IN-2 has favorable physicochemical profile and pharmacokinetic properties modulating Wnt pathway activity in a colorectal xenograft model[1].
BRCA1-IN-2 (compound 15) is a cell-permeable protein-protein interaction (PPI) inhibitor for BRCA1 with an IC50 of 0.31 μM and a Kd of 0.3 μM, which shows antitumor activities via the disruption of BRCA1 (BRCT)2/protein interactions[1].
MSC2504877 (MSC-2504877) a novel small molecule selective tankyrase inhibitor with IC50 of 0.7/0.8 nM against TNKS1/2, shows 771-fold selectivity for TNKS1 over PARP1 (IC50=0.54 uM); increased AXIN2 protein levels and decreased β-catenin levels in APC mutant COLO320DM colorectal tumour cells, suppressed canonical Wnt signalling in SW480 cell line, inhibits the growth of APC mutant colorectal tumour cells; enhances G1 cell cycle arrest and cellular senescence in tumour cells when combined with CDK4/6 inhibitor Palbociclib, suppresses the upregulation of Cyclin D2 and Cyclin E2 caused by palbociclib and enhances the suppression of pRb; Palbociclib plus MSC2504877 combination suppresses hyperproliferation in Apc defective cells in vivo.
Veliparib (dihydrochloride) is a potent inhibitor of PARP1 and PARP2 with Kis of 5.2 nM and 2.9 nM in cell-free assays, respectively.
PROTAC PARP/EGFR ligand 1 is an active compound that can be used for the synthesis of dual PARP EGFR degraders by proteolytic targeting chimera (PROTAC) technology[1].
PARP1-IN-6 is a dual tubulin/PARP-1 inhibitor with IC50 values of 0.94 and 0.48 μM, respectively.
PARP11 inhibitor ITK7 (ITK7) is a potent and selective PARP11 inhibitor. PARP11 inhibitor ITK7 can potently inhibit PARP11 with an IC50 value of 14 nM. PARP11 inhibitor ITK7 can be used for the research of cellular localization[1].
Nudifloramide-d3 (2PY-d3) is the deuterium labeled Nudifloramide. Nudifloramide (2PY) is one of the end products of nicotinamide-adenine dinucleotide (NAD) degradation. Nudifloramide significantly inhibits poly(ADP-ribose) polymerase (PARP-1) activity in vitro[1].
TIQ-A is a potent TNKS (poly-ART, PARP) inhibitor, with an IC50 of 24 nM for TNKS2. TIQ-A is a potential anti-ischemic agent[1].
Tankyrase-IN-5 (Compound 30f), an analogue of MSC2504877 (HY-123851), is a tankyrase TNKS1 and TNKS2 inhibitor with IC50s of 2.3 nM and 7.9 nM, respectively[1].
Verminoside is an iridoid isolated from Kigelia africana, exhibits anti-inflammatory and remarkable antioxidant activity with a radical-scavenging activity of 2.5 μg/mL. The genotoxicity of Verminoside on human lymphocytes is associated with elevated levels of PARP-1 and p53 proteins[1][2][3].
Mefuparib hydrochloride is a potent, highly selective, competitive PARP1/2 inhibitor with IC50 of 3.2/1.9 nM, respectively; displays >406-fold over other major nuclear PARPs including PARP3, TNKS1, TNKS2 and PARP6; reduces poly(ADP-ribose) formation, enhances γH2AX levels, induces G2/M arrest and subsequent apoptosis in homologous recombination repair (HR)-deficient cells; shows potent in vitro and in vivo proliferation and growth inhibition against HR-deficient cancer cells and synergistic sensitization of HR-proficient xenografts to the anticancer drug temozolomide.
JQAD1 is a CRBN-dependent PROTAC that selectively targets EP300 for degradation. JQAD1 suppresses EP300 expression and the H3K27ac modification. JQAD1 induces apoptosis. JQAD1 can be used in research of cancer[1].