parp1

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.

PARP1 BRD4-IN-1 is a highly selective and potent inhibitor of PARP1 (IC50: 49 nM) and BRD4 (IC50: 202 nM), which inhibits the expression and activity of PARP1 and BRD4, thereby synergistically suppressing the malignant growth of pancreatic cancer cells.

PARP1 c-Met-IN-1 (Compound 16) serves as a selective dual inhibitor targeting both PARP1 and c-Met, demonstrating IC50 values of 3.3 nM and 32.2 nM, respectively. This compound effectively induces apoptosis and causes cell cycle arrest at the G2 M phase in MDA-MB-231 cells. Furthermore, PARP1 c-Met-IN-1 displays notable antitumor activity in mouse models [1].

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

PARP1-IN-9 (Compound 5c) is a potent PARP1 inhibitor with an IC50 of 30.51 nM, inducing cell apoptosis and exhibiting superior anticancer activity compared to Olaparib [1].

PARP1-IN-14 (compound 19k) is a potent PARP1 inhibitor with an IC50 of 0.6 ± 0.1 nM, displaying antiproliferative effects on MDA-MB-436 (BRCA1 − −) and Capan-1 (BRCA2 − −) cells, with IC50 values below 0.3 nM [1].

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.

PARP1-IN-12, a potent inhibitor of PARP1, demonstrates an IC50 value of 2.99 nM. It exhibits antiproliferative effects, induces apoptosis, and causes cell cycle arrest in the G2/M phase. Additionally, PARP1-IN-12 induces DNA double-strand breaks (DSBs) in BRCA-deficient cells.

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].

PARP1-IN-5 dihydrochloride is an orally active, potent and selective PARP-1 inhibitor (IC50 =14.7 nM). PARP1-IN-5 dihydrochloride can be used for the research of cancer.

PARP1-IN-11 (compound 49) is a potent PARP1 inhibitor with an IC50 value of 0.082 μM, demonstrating complete inhibition of PARP1 and substantial inhibition of PARP3, TNKS1, and TNKS2 [1].

PARP1-IN-10 (compound 12c) is a highly potent and non-cytotoxic PARP1 inhibitor with an in vitro IC50 value of 50.62 nM, effectively inducing cell cycle arrest at the G2 M phase and apoptosis, while significantly augmenting the cytotoxic effects of temozolomide (TMZ) [1].

PARP1-IN-6, a dual-function inhibitor, targets both tubulin and PARP-1, demonstrating inhibitory concentration (IC50) values of 0.94 μM for tubulin and 0.48 μM for PARP-1.

PARP1 BRD4-IN-2 is a potent and selective inhibitor of PARP1 (IC50: 197 nM) and BRD4 (IC50: 238 nM), which inhibits DNA damage repair, blocks the G0 G1 cell cycle transition, and induces apoptosis. PARP1 BRD4-IN-2 exhibits antitumor effects in the MDA-MB-468 mouse xenograft tumor model and is used to study triple-negative breast cancer (TNBC).

PROTAC PARP1 degrader is a degrader of PARP1 based on the PROTAC technology. PROTAC PARP1 degrader at 10 μM at 24 h inhibits MDA-MB-231 cell line (IC50 of 6.12 μM).

PARP1-IN-7 functions as an anticancer agent by inhibiting poly(ADP-ribose) polymerase-1 (PARP1).

PARP1-IN-18 (compound 25), a potent PARP1 inhibitor, exhibits an IC 50 of 2.7 nM and has demonstrated anticancer effects [1].

PARP1-IN-15 (Compound 6) is a PARP1 inhibitor that also inhibits tankyrase (TNKS) and promotes DNA double-strand breaks, leading to tumor cell apoptosis. It exhibits anti-cancer activity in triple-negative breast cancer (TNBC) cells and patient-derived organoids, making it useful for TNBC research, including cases with or without BRCA1 mutations [1].

PARP1-IN-19, a PARP1 inhibitor, exhibits antitumor effects (CN107955001A; Embodiment 3) [1].

PARP1-IN-16 (compound 12a) is a potent PARP1 inhibitor with an IC50 value of 1.89 nM, capable of halting the cell cycle at the S phase and inducing apoptosis in HCT-116 cells [1].

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.

Compound B6, also known as TOPOI PARP-1-IN-1, is a dual inhibitor targeting TOPOI and PARP, exhibiting low cytotoxicity and oral activity with a PARP1 IC 50 of 0.09 μM. This compound effectively inhibits cancer cell proliferation and migration, induces cell cycle arrest at the G0 G1 phase, and triggers apoptosis. In murine models, TOPOI PARP-1-IN-1 demonstrated a tumor growth inhibition rate (TGI) of 75.4% [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-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-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 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/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-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-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.

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

PARP-1-IN-23 (Compound I16) is an orally bioavailable, selective inhibitor of PARP-1, exhibiting an IC50 of 12.38 nM. This compound demonstrates efficacy in inhibiting tumor growth in vivo.

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].

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-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).

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.

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.

O6-Benzylguanine is a guanine analog with antineoplastic activity,and is a potent O6-alkylguanine DNA alkyltransferase (AGT) inactivator.

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.

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).

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.