CDK9 Inhibitor

TMX-2039 is a pan-CDK inhibitor for both cell cycle CDKs (CDK1, CDK2, CDK4, CDK5 and CDK6) and transcriptional CDKs (CDK7 and CDK9), with IC₅₀s of 2.6, 1.0, 52.1, 0.5, 35.0, 32.5 and 25 nM, respectively. TMX-2039 acts as a Ligands for Target Protein for PROTACs.

Samuraciclib (CT7001) hydrochloride hydrate is a potent, selective, ATP-competitive and orally active CDK7 inhibitor, with an IC₅₀ of 41 nM. Samuraciclib hydrochloride hydrate displays 45-, 15-, 230- and 30-fold selectivity over CDK1, CDK2 (IC₅₀ of 578 nM), CDK5 and CDK9, respectively. Samuraciclib hydrochloride hydrate inhibits the growth of breast cancer cell lines with GI₅₀ values between 0.2-0.3 μM. Samuraciclib hydrochloride hydrate has anti-tumor effects.

CDK9-IN-13 (compound 38) is potent and selective CDK9 inhibitor, with an IC₅₀ of <3 nM. CDK9-IN-13 exhibits short half-lives in rodents.

TP-1287, a prodrug of Alvocidib (HY-10005), is an orally active CDK9 inhibitor.

FIT-039 is a selective, ATP-competitive and orally active CDK9 inhibitor with an IC₅₀ of 5.8 μM for CKD9/cyclin T1. FIT-039 does not inhibit other CDKs and other kinases. FIT-039 inhibits replication of HSV-1 (IC₅₀ of 0.69 μM), HSV-2, human adenovirus, and human CMV. FIT-039 is a promising antiviral agent for inhibiting drug-resistant HSVs and other DNA viruses.

CDK-IN-2 is a specific CDK9 inhibitor with an IC₅₀ of less than 8 nM. CDK-IN-2 reduces the phosphorylation level of H3S10. CDK-IN-2 decreases the transition rate of spermatocytes from prophase to metaphase I.

CDK12-IN-E9 is a potent and selective covalent CDK12 inhibitor and a non-covalent CDK9 inhibitor, while avoiding ABC transporter-mediated efflux. CDK12-IN-E9 has weak binding ability to CDK7/CyclinH complex with an IC₅₀> 1 μM.

Voruciclib hydrochloride is an orally active and selective CDK inhibitor with K_i values of 0.626 nM-9.1 nM. Voruciclib hydrochloride potently blocks CDK9, the transcriptional regulator of MCL-1. Voruciclib hydrochloride represses expression of MCL-1 in multiple models of diffuse large B-cell lymphoma (DLBCL).

BS-194 is an orally active, selective and potent CDK inhibitor. BS-194 inhibits CDK2, CDK1, CDK5, CDK7, CDK9 (IC₅₀s: 3, 30, 30, 250, and 90 nM respectively). BS-194 potently inhibits cancer cells proliferation. BS-194 can be used in the research of cancers like breast cancer, colon cancer.

CDK9-IN-2 is a special cyclin-dependent kinase 9 (CDK9) inhibitor, extracted from patent WO/2012131594A1, compound CDKI(8), has an IC₅₀ of 5 nM and 7 nM in H929 multiple myeloma(MM) cell line (72 hours) and A2058 skin cell line (72 hours), respectively.

Atuveciclib Racemate (BAY-1143572 Racemate) is the racemate mixture of Atuveciclib. Atuveciclib is a potent and highly selective, oral P-TEFb/CDK9 inhibitor which supresses CDK9/CycT1 with an IC₅₀ of 13 nM.

CDK9-IN-8 is a highly effective and selective CDK9 inhibitor with an IC₅₀ of 12 nM.

CDK8/19-IN-1 is a potent, selective and oral bioavailable CDK8/19 dual inhibitor, with IC₅₀s of 0.46 nM, 0.99 nM and 270 nM for CDK8, CDK19 and CDK9, respectively.

SEL120-34A is a potent, selective, orally available, ATP-competitive CDK8 inhibitor, with IC₅₀s of 4.4 nM and 10.4 nM for CDK8/CycC and CDK19/CycC, respectively, with antitumor activity.

ABC1183 is an orally active selective dual GSK3 and CDK9 inhibitor. ABC1183 inhibits GSK3β, GSK3α and CDK9/cyclin T1 with the IC₅₀ values of 657 nM, 327 nM and 321 nM, respectively. ABC1183 has anti-inflammatory and anti-tumor activities.

CDK9-IN-7 (compound 21e) is a selective, highly potent, and orally active CDK9/cyclin T inhibitor (IC₅₀=11 nM), which exhibits more potent over other CDKs (CDK4/cyclinD=148 nM; CDK6/cyclinD=145 nM). CDK9-IN-7 shows antitumor activity without obvious toxicity. CDK9-IN-7 induces NSCLC cell apoptosis, arrests the cell cycle in the G2 phase, and suppresses the stemness properties of NSCLC.

CAN508 is a potent, ATP-competitive CDK9/cyclin T1 inhibitor with an IC₅₀ of 0.35 μM. CAN508 exhibits a 38-fold selectivity for CDK9/cyclin T over other CDK/cyclin complexes. Antitumor activity.

CDK9-IN-11 is a potent CDK9 inhibitor. CDK9-IN-11 is the ligand for the PROTAC CDK9 Degrader-1 (HY-103628).

SHR5428 is a potent, orally active, selective and noncovalent inhibitor of CDK7 with highly potent CDK7 enzymatic activity (IC₅₀=2.3 nM). SHR5428 inhibits triple negative breast cancer cellular activity on MDA-MB-468 cell (IC₅₀=6.6 nM).

AG-012986 is a pan-CDK inhibitor with K_i values of 44 nM (CDK1), 9.2 nM (CDK4), 94 nM (CDK2), and IC50 values of 22 nM (CDK5), 4 nM (CDK9). AG-012986 causes apoptosis of T-cells by targeting upstream kinases in the p38 Mitogen-activated protein kinase (MAPK) pathway and impairing cellular survival. AG-012986 induces cell cycle arrest, retinoblastoma protein hypophosphorylation, and reduces K_i-67 expression. AG-012986 exerts antiproliferative activity in tumor cells, demonstrates antitumor efficacy in human xenograft models, and causes retinal and peripheral neurotoxicity, plus immune cell toxicity. AG-012986 can be used for the research of colon carcinoma, non-small cell lung carcinoma, lung carcinoma, breast carcinoma, ovarian tumor, pancreatic carcinoma, osteosarcoma, lymphoma, leukemia, retinotoxicity.