parp-1

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 HDAC-IN-1 is an effective dual inhibitor of PARP-1 and HDAC6, with IC50 values of 68.90 nM and 510 nM, respectively. PARP-1 HDAC-IN-1 exhibits anti-cancer, anti-migration, and anti-angiogenesis activities.

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

PARP-1-IN-3 is a potent PARP-1 inhibitor that inhibits PARP-1 and PARP-2 with IC50 values of 0.25 nM and 2.34 nM, respectively.PARP-1-IN-3 has potential anti-inflammatory activity, induces apoptosis, and arrests the cell cycle in the G2 M phase.PARP-1-IN-3 may be useful for the study of cancer-related diseases. cancer-related diseases.

PARP EZH2-IN-1 is a novel dual inhibitor targeting PARP (IC50 6.87 nM) and EZH2 (IC50 36.51 nM), showing promising potential for treating triple-negative breast cancer with wild-type BRCA.

PARP-1-IN-1 is a highly selective and orally active inhibitor of the enzyme PARP-1 with an IC50 of 0.96 nM, exhibiting excellent tolerance and significant activity in a single dose in the MDA-MB-436 xenotransplantation model [1].

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/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.

VEGFR PARP-IN-1 (Compound 14b) is a dual inhibitor of VEGFR and PARP with IC50 values of 191 nM and 60.9 nM, respectively. It impairs DNA damage repair pathways, promotes apoptosis, and halts cells in the G2 M phase. This compound demonstrates considerable antiproliferative activity against BRCA wild-type breast cancer cells, with IC50 values of 4.1 μM for MDA-MB-231 cells and 3.5 μM for MCF-7 cells, indicating its potential as an antitumor and anti-metastasis agent [1].

PROTAC PARP EGFR ligand 1 is a potent compound used in developing dual PARP-EGFR degraders via Proteolytic Targeting Chimera (PROTAC) technology [1].

PARP-1-IN-4 is a potent PARP-1 inhibitor with potential anti-tumor activity, where inhibition of PARP-1 may be applied in cancer treatment.

PARP HDAC-IN-1 is a selective PARP and HDAC inhibitor with potential anticancer activity, inhibits PARP1, PARP2 and HDAC1, and may be used in the study of pancreatic cancer.

PARP-1-IN-13 (Compound 19c) is a potent PARP-1 inhibitor with an IC50 of 26 nM, hindering DNA single-strand break repair and exacerbating double-strand breaks, leading to apoptosis in cancer cells via the mitochondrial pathway [1].

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-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.

3-Aminobenzamide (PARP-IN-1) is a potent PARP inhibitor (IC50 < 50 nM in CHO cells) and mediates oxidant-induced myocyte dysfunction during reperfusion.

Daphnetin (7,8-Dihydroxycoumarin), a natural coumarin derivative, is a protein kinase inhibitor with inhibitory for EGFR (IC50: 7.67 μM), PKA (IC50: 9.33 μM), and PKC (IC50: 25.01 μM), also exhibit anti-oxidant and anti-inflammatory activities.

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.

Rucaparib (PF-01367338) is a PARP protein inhibitor (PARP-1 Ki=1.4 nM) and hexose hexose-6-phosphate dehydrogenase (H6PD) inhibitor with oral activity. Rucaparib exhibits antitumor activity, with activity against desmoplasia-resistant prostate cancer (CRPC).

ARTD10/PARP10-IN-1 is a potent PARP inhibitor of the mono-ADP ribosyltransferases ARTD7/PARP15, ARTD8/PARP14, ARTD10/PARP10 and poly ADP-ribose polymerase-1 (ARTD1/PARP1), with potential anticancer and antitumour activity for the study of prostate and breast cancers.

EB-47 mimics the substrate NAD+ and extends from the nicotinamide to the adenosine subsite.EB-47, a potent and selective PARP-1/ARTD-1 inhibitor with an IC50 value of 45 nM, shows modest potency against ARTD5 with an IC50 value of 410 nM.

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.

CSRM617 hydrochloride is a selective small-molecule inhibitor of the transcription factor ONECUT2 (OC2, a master regulator of androgen receptor), with a Kd of 7.43 µM in SPR assays, directly binding to the OC2-HOX domain. CSRM617 hydrochloride induces apoptosis through the appearance of cleaved Caspase-3 and PARP and is well tolerated in the mouse model of prostate cancer [1].

AG14361 is an effective inhibitor of PARP1 (Ki<5 nM).

L-Chicoric Acid (trans-Caffeoyltartaric acid) has been shown to inhibit hyaluronidase and HIV-1 integrase, and to possess phagoeytosis stimulatory activity in vitro and in vivo and antiviral acitivy. L-Chicoric acid may reduce acute alcohol-induced steatosis in mice through interfering with the induction of iNOS and iNOS-dependent signaling cascades in the liver. 3. L-Chicoric acid inhibited cell viability and induced apoptosis in 3T3-L1 preadipocytes which was characterized by chromatin condensation and poly ADP-ribose-polymerase (PARP) cleavage.

COH29 (RNR Inhibitor COH29) is an orally available, aromatically substituted thiazole and human ribonucleotide reductase (RNR) inhibitor with potential antineoplastic activity. COH29 binds to the ligand-binding pocket of the RNR M2 subunit (hRRM2) near the C-terminal tail, decreasing the pool of deoxyribonucleotide triphosphates needed for DNA synthesis, leading to cell cycle arrest and growth inhibition. It may also inhibit the nuclear enzyme poly (ADP-ribose) polymerase (PARP) 1, preventing DNA repair, causing accumulation of DNA breaks, and inducing apoptosis.

Talazoparib (LT-673) is a new-type PARP inhibitor (IC50: 0.58 nM), It similarly binds to PARP1/2 (Kis: 1.2/0.85 nM).

NMS-P118 is a potent, selective and orally available Inhibitor of PARP-1 for cancer therapy.

AZ6102 is a potent TNKS1 2 inhibitor that has 100-fold selectivity against other PARP family enzymes and shows IC50 of 5 nM for Wnt pathway inhibition in DLD-1 cells.

PARP1-IN-8 (N-(3-chlorophenyl)-3-(1-oxo-4-phenylphthalazin-2(1H)-yl)propanamide) is an effective inhibito of PARP1 (IC50 = 97 nM).

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.

AZ9482 is a selective and potent inhibitor of PARP featuring an amide linkage to a 2-piperazinyl-3-cyano-pyridine. AZ9482 exhibits very potent activity of centrosome declustering with EC50 of < 18 nM in HeLa cells.

JW 55 (JW55) is an effective and selective β-catenin signaling pathway inhibitor, works by inhibition of the PARP domain of tankyrase 1 and tankyrase 2 (TNKS1 2).

(R)-CR8 ((R)-Isomer) is a potent and selective CDK inhibitor.

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

1. 5,7-Dihydroxychromone (5,7-Dihydroxy-4H-Chromen-4-One) isolated from DME is one of the active compounds that may contribute to regulate blood glucose levels. 2. 5,7-Dihydroxychromone exerts neuroprotective effect against 6-OHDA-induced oxidative stress and apoptosis by activating Nrf2/ARE signal . 3. 5,7-Dihydroxychromone induces the translocation of Nrf2 to the nucleus and increases Nrf2/ARE binding activity which results in the up-regulation of the expression of Nrf2-dependent antioxidant genes, including HO-1, NQO1, and GCLc.

Paris saponin VII (Dioscini) shows inhibitory effects on cell proliferation.

SC10914 is a highly potent PARP inhibitor (PARP1 IC50 = 7.87 nM) with potent anti-proliferative activity against human BRCA deficient tumor cells (MDA-MB-436, BRCA1 deficient, IC50 = 4.03 nM, Capan-1 BRCA2 deficient, IC50 = 11.66 nM) and PTEN deficient tumor cells (HGC-27,PTEN deficient, IC50 = 0.35 μM). SC10914 showed potent anti-tumor activity in BRCA1/2 mutant tumor models and better pharmacokinetics profile has the potential to be selected as the clinical candidate for the treatment of treatment of BRCA1/2 deficient cancers.

Compound A5b, also known as JMJD3/HDAC-IN-1, is a dual inhibitor that targets both JMJD3 (Jumonji domain-containing protein demethylase 3) and HADC1 (histone deacetylase, IC50 = 16 nM). It induces hypermethylation of histone H3K27 and hyperacetylation of H3K9, while also promoting apoptosis through the cleavage of caspase-7 and PARP. This compound has demonstrated the ability to effectively inhibit cancer cell cloning, migration, and invasion [1].

NMS-P515 is an effective, orally active, and stereospecific PARP-1 inhibitor (Kd: 16 nM and an IC50: 27 nM (in Hela cells)). It has anti-tumor activity.

PARP1-IN-5 is a potent, selective, orally active, low-toxicity PARP-1 inhibitor with an IC50 value of 14.7 nM. PARP1-IN-5 can be used in cancer research.

DPQ is a potent inhibitor of PARP-1 that can be used in neuroprotection research. DPQ reduce the PARP activation induced by N-methyl-d-aspartate (NMDA), restoring ATP to near control levels as well as significantly attenuating neuronal injury in the severe NMDA exposure model [1].

ST7710AA1 is a PARP-1 inhibitor that acts by showing significant in vitro target inhibition and capability to substantially bypass the multidrug resistance mediated by Pgp.

Rucaparib (AG014699) acetate is a highly effective oral inhibitor of PARP proteins, specifically targeting PARP-1, PARP-2, and PARP-3, with a Ki value of 1.4 nM for PARP1. Additionally, it exhibits inhibitory action on hexose-6-phosphate dehydrogenase (H6PD) to a moderate extent. Rucaparib acetate shows promise in the field of research for castration-resistant prostate cancer (CRPC). [1] [2] [3] [4]

DP-C-4 is a Cereblon-based dual PROTAC for simultaneous degradation of EGFR and PARP[1]. DP-C-4 (1-50 μM; 24 hours) has degradation effects on EGFR and PARP simultaneously in a dose-dependent manner in SW1990 cells[1]. [1]. Mengzhu Zheng, et al. Rational Design and Synthesis of Novel Dual PROTACs for Simultaneous Degradation of EGFR and PARP. J Med Chem. 2021 May 26.

NCT-TFP is a PARP probe used for identifying Poly(ADP-ribose) polymerases (PARP) inhibitors [1].

Rucaparib Phosphate (PF-01367338 phosphate) is an inhibitor of PARP (Ki: 1.4 nM for PARP1) that is used in clinical therapy to sensitize cancer cells to chemotherapy.

MDK83190 (Apoptosis Activator 2) is a potent apoptosis activator, induceing caspase-3 activation, PARP cleavage, and DNA fragmentation .

PARP1-IN-17 is an inhibitor that targets PARP-1 (IC50=19.24 nM ) with a slightly reduced affinity for PARP-2 (IC50=32.58 nM ) and induces apoptosis. It exhibits robust anti-proliferative activity [1].

pNP-ADPr is a colorimetric substrate used in continuous activity assays for Poly(ADP-ribose) glycohydrolase (PARG) and ADP-ribosyl hydrolase 3 (ARH3), aiding research on poly(ADP-ribose) polymerase (PARP) enzymes.