cdk 4

CDK4 inhibitor is a novel and specific CDK4/Cyclin D1 inhibitor with an IC50 of 10 nM; 1500 and 500 fold than CDK1/Cyclin B (IC50>15 uM) and CDK2/Cyclin A (IC50=5.265 uM) respectively.

CDK4/6/1 Inhibitor (Crozbaciclib) is a type of CDK4/6 inhibitor (IC50s: 3 and 1 nM). CDK4/6 inhibitor is a class of compounds used for the treatment of some types of hormone receptor positive, HER2-negative breast cancer, which can block the process of breast cancer cell division and reproduction.

CDK4/6-IN-2 is a potent inhibitor of CDK4 and CDK6 [IC50s: 2.7 and 16 nM].

CDK4/6-IN-3, a brain-penetrant CDK4/CDK6 inhibitor (Kis: <0.3 nM and 2.2 nM), is used for the treatment of glioblastoma and inhibits CDK1 with a Ki of 110 nM.

CDK4/6-IN-5 is a highly effective inhibitor of CDK4 and CDK6, with Ki values of 0.2 nM for CDK4/Cyclin D1 and 4.4 nM for CDK6/Cyclin D3 (WO2019207463A1, example A93).

CDK4/6-IN-14 is a potent, highly selective inhibitor of Cyclin-Dependent Kinases 4 and 6 (CDK4/6), with inhibition concentrations (IC50s) of 10 nM and 16 nM, respectively. It shows over 60-fold selectivity for CDK4/6 compared to CDKs 1, 2, 7, and 9, and exhibits significant selectivity against 205 other kinases.

CDK4/6-IN-23 (Compound 42) is a potent and selective inhibitor of CDK4/6, displaying an IC50 of 11 nM for CDK6. This compound significantly activates immune cells and enhances IL-3 production. In mice undergoing 5-FU chemotherapy, CDK4/6-IN-23 demonstrates dual bone marrow protection and immunomodulatory effects.

CDK4/6/HDAC-IN-1 (Compound N14) is a dual-target inhibitor of CDK4/6 and HDAC, with IC50 values of 7.23 nM for CDK4, 13.20 nM for CDK6, 55.66 nM for HDAC1, and 48.38 nM for HDAC6. It induces apoptosis and G0/G1 phase arrest through the HDAC-p21-CDK signaling pathway and can inhibit hepatocellular carcinoma.

CDK4/9-IN-1 (Compound 29) is a selective dual inhibitor of CDK4 and CDK9, exhibiting IC50 values of 23 nM and 12 nM, respectively. It holds potential for use in cancer research.

CDK4/6-IN-24 (Compound A) is an inhibitor of CDK4/6 with broad-spectrum antitumor activity. It can effectively inhibit various cancer cells, exhibiting an IC50 in the submicromolar range.

CDK4/6/BRD4-IN-1 (B15) is an inhibitor targeting CDK4, CDK6, and BRD4, with IC50 values of 220 nM for BRD4-BD2, 146 nM for BRD4-BD1, 106 nM for CDK6, and 85 nM for CDK4. This compound is applicable for research in non-small cell lung cancer (NSCLC) and can induce cell cycle arrest and apoptosis.

CDK4 degrader1 (ML 1–71) is a molecular glue degrader specifically targeting CDK4.

CDK4/6-IN-15 hydrochloride is an orally active selective inhibitor of CDK4/6. It effectively restrains the growth of cancer cells by arresting the cell cycle at the G1 phase. Additionally, CDK4/6-IN-15 hydrochloride inhibits phosphorylation of the retinoblastoma tumor suppressor protein (Rb) at site S780 and suppresses E2 factor (E2F)-regulated gene expression.

CDK4-IN-3 (Compound 389) is a highly selective irreversible inhibitor of cyclin-dependent kinase 4 (CDK4) with an IC50 of 25 nM and exhibits more than 10-fold selectivity over CDK6. It arrests the cell cycle at the G1 phase and induces apoptosis in tumor cells. CDK4-IN-3 holds potential for research in solid tumors such as breast and lung cancer.

PROTACCDK4/6/9 degrader 2 (Compound P4) is an orally active and low-toxicity PROTAC prodrug targeting CDK4/6/9. It significantly inhibits tumor growth and reduces lung metastasis of tumors. This compound is applicable in cancer research, including studies on breast cancer.

PROTACCDK4/6/9 degrader 1 is a PROTAC degrader targeting CDK4/6/9. It effectively degrades CDK4, CDK6, and CDK9 within triple-negative breast cancer (TNBC) cells, thereby inhibiting their proliferation. Additionally, PROTACCDK4/6/9 degrader 1 induces G1 phase arrest, promotes apoptosis, and suppresses cell migration and invasion in TNBC cells. This compound is useful for researching triple-negative breast cancer (TNBC).

CDK4/6-IN-12 is a potent cyclin-dependent kinase 4/6 (CDK4/6) inhibitor with enzymatic inhibitory activity against CDK4 and CDK6, having IC50 values of 592.3 nM and 3090 nM, respectively. CDK4/6-IN-12 can be used in cancer research[1].

CDK4/6-IN-7, a highly potent and selective orally active inhibitor of CDK4/6, demonstrates impressive inhibition activity with IC50 values of 1.58 nM and 4.09 nM respectively. This compound is particularly valuable for breast cancer research [1].

CDK4/6-IN-8 (Compound 7p) is a selective inhibitor of CDK4 with an IC50 of 5.01 nM and CDK6 with an IC50 of 3.97 nM.

CDK4/6-IN-9 (compound 10) is a selective inhibitor of CDK4/6, demonstrating activity on CDK6/cyclin D1 (IC50: 905 nM), and holds potential research value in multiple myeloma (MM).

Compounds 10B and 10C, functioning as cdk4/6 inhibitors, demonstrated low nanomolar activity, optimal antiproliferative effects, excellent metabolic properties, and acceptable pharmacokinetics targeting cdk4/6.

FLT3/CDK4-IN-1 is a highly selective, potent, orally active dual inhibitor of FLT3 (IC50: 7 nM) and CDK4 (IC50: 11 nM), demonstrating significant anti-tumor effects in vivo and anti-proliferative effects on certain cancer cells.

CDK4/6-IN-10 is a selective, potent, orally active inhibitor of CDK4 (IC50: 22 nM) and CDK6 (IC50: 10 nM) with antitumour effects, showing potential for studies in multiple myeloma (MM).

SHP2/CDK4-IN-1 (compound 10) is a dual inhibitor targeting SHP2 and CDK4, with oral activity and high potency, showing IC50 values of 4.3 nM for SHP2 and 18.2 nM for CDK4. It induces G0/G1 arrest, inhibits proliferation of TNBC cell lines, and demonstrates significant antitumor efficacy in the EMT6 syngeneic mouse model. This compound is valuable for research into triple-negative breast cancer (TNBC) [1].