parp 1

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.

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.

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

PROTAC PARP1 degrader is a targeted protein degrader of PARP1 developed using PROTAC technology, and at 10 μM for 24 hours inhibits the proliferation of the MDA-MB-231 breast cancer cell line with an IC50 of 6.12 μM, providing a powerful research tool for studying DNA damage response, PARP1 biology, and degradation-based cancer therapeutics.

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

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-31 (compound 11f) is a PARP1 inhibitor with an IC₅₀ of 97 nM. It induces apoptosis and inhibits proliferation in lung cancer cell lines (e.g., A549), while upregulating caspase-3 and caspase-9, making it suitable for lung adenocarcinoma research.

PARP1-IN-29 is an orally active PARP-1 inhibitor with an IC50 of 6.3 nM. When labeled with [18F], PARP1-IN-29 can be utilized for positron emission tomography (PET) imaging, specifically targeting PARP-1 in tumors. This compound is useful in oncology and imaging studies, particularly for detecting PARP-1 activity in cancer.

PARP1-IN-36 (compound 11) is a derivative of 4-carboxamide-isoindolinone and acts as a selective PARP-1 inhibitor with a Kd value of less than 0.01 μM. This compound is utilized in research related to cancer, cardiovascular diseases, neurological injuries, and inflammation.

PARP1-IN-37 (Compound 8) is an orally active and selective inhibitor of poly (ADP-ribose) polymerases 1 and 2 (PARP1/2), with an IC50 value of 24 nM for PARP1. It inhibits PARP activity in cells with an EC50 value of 3.7 μM and holds potential for research on BRCA-mutated tumors, such as breast and ovarian cancers.

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-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-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-30 is a specific and effective PARP1 inhibitor with cytotoxic properties. It precisely inhibits PARP1 in tumor cells lacking breast cancer 1 protein (BRCA1) or BRCA2. PARP1-IN-30 holds potential for use in cancer research.

PROTAC PARP1 degrader-3 (Compound C6) is a PROTAC degrader specifically targeting PARP1, with a DC50 of 58.14 nM. It demonstrates cytotoxicity in SW-620 and LOVO cancer cells, with IC50 values of 1.63 μM and 2.84 μM, respectively. In BRCA-mutated colon cancer cells, PROTAC PARP1 degrader-3 exhibits synergistic effects with SN-38, with a combination index (CI) of 0.487.

PARP1-IN-33 (Example 6) is a PARP1 inhibitor with an IC50 of 0.41 nM. It demonstrates protective effects on retinal cells, exhibiting an EC50 of 0.02 nM in inhibiting hydrogen peroxide-induced MTS activity in human retinal pigment epithelial cells.

PARP1-IN-34 (compound 30) is a selective PARP1 inhibitor with an IC50 of 0.32 nM. It is a sub-nanomolar PARP1 inhibitor with 1000-fold selectivity over PARP2, having an IC50 of 326 nM, and exhibits anticancer activity.

PROTAC PARP1 degrader-4 (Compound 180055) is a selective PARP1 PROTAC degrader, demonstrating DC50 values of 180 nM and 240 nM in T47D and MDA-MB-231 cell lines, respectively. It facilitates the ubiquitination and degradation of PARP1 and inhibits its enzymatic activity without causing significant DNA trapping effects. Additionally, PROTAC PARP1 degrader-4 can inhibit tumors with BRCA gene mutations while having minimal impact on the growth of normal cells.

PARP1-IN-35 (compound T26) is a selective, orally active PARP1 inhibitor that can cross the blood-brain barrier, with IC50 values of 0.2 nM for PARP1 and 122 nM for PARP2. It exhibits antiproliferative and anticancer activities and holds potential for breast cancer research.

PARP1/CDK12-IN-1 (107) is a dual inhibitor that targets both CDK12 and PARP1, exhibiting IC50 values of 285 nM and 34 nM, respectively.

PARP1-IN-38 (compound ent-6_P) is a potent PARP1 inhibitor with an IC50 value of 10 μM. It exhibits selective cytotoxic activity in BRCA-mutant cancer cells.

PROTACPARP1 degrader-1 (Compound CN0) serves as a PROTAC degrader of PARP1. It activates the cGAS/STING immune pathway, ultimately enhancing T cell-mediated tumor cell killing. PROTACPARP1 degrader-1 inhibits DNA damage repair, leading to the efficient accumulation of cytoplasmic DNA fragments.

ATR/PARP1-IN-1 is a dual inhibitor of ATR/PARP1, exhibiting an IC50 of 17.3 nM for ATR and 0.38 nM for PARP1. It effectively reduces cell viability, induces apoptosis, and causes DNA damage. In triple-negative breast cancer (TNBC) models, ATR/PARP1-IN-1 significantly inhibits colony formation, migration, and invasion. Additionally, in MDA-MB-468 xenograft mouse models, it suppresses tumor growth without significant changes in body weight.