Cyclin D1

DIF-3 is a chemical compound that acts by activating GSK-3β to facilitate the degradation of cyclin D1 and c-Myc, resulting in reduced expression levels of these proteins. In addition, DIF-3 inhibits Wnt β-catenin signaling pathway-related proteins in DLD-1 cells. This compound exerts a potent antiproliferative effect on the HeLa human cervical cancer cell line by inducing cyclin D1 degradation and inhibiting cyclin D1 mRNA expression [1].

Salidroside is a bioactive phenolic glycoside compound isolated from Rhodiola rosea and is a prolyl endopeptidase inhibitor. Salidroside can alleviate cachexia symptoms in a tumor cachexia mouse model by activating mTOR signaling and protect dopaminergic neurons by enhancing PINK1 Parkin-mediated mitochondrial autophagy. Salidroside can also inhibit the growth of cancer cells by regulating the CDK4-cyclin D1 pathway to block the G1 phase and or regulating the Cdc2-cyclin B1 pathway to block the G2 phase.

DK419 is an orally active inhibitor of Wnt β-catenin signaling, with an IC50 of 0.19 μM. DK419 decreases protein lelvels of Axin2, β-catenin, c-Myc, Cyclin D1 and Survivin.It also induces production of pAMPK.

LOM612 is a potent and specific FOXO relocator that induces nuclear translocation of the FOXO3a reporter protein as well as endogenous FOXO3a and FOXO1 in a dose-dependent manner in U2OS cells, down-regulates the expression of c-Myc and cyclin D1, and has anti-proliferative effects in human cancer cell lines.

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.

GP-82996 (CINK4) is a pharmacological inhibitor specifically targeting CDK4 6, exhibiting IC50 values of 1.5 μM for CDK4 cyclin D1, 5.6 μM for CDK6 cyclin D1, and 25 μM for Cdk5 p35. It effectively induces apoptosis in U2OS cancer cells, positioning it as a potential investigational tool in cancer research [1] [2].

R547 (Ro 4584820) is a potent ATP-competitive inhibitor of CDK1 2 4 with Ki of 2 nM 3 nM 1 nM. It is less potent to CDK7 and GSK3α β, while inactive to other kinases. Phase 1.

Rubone (2'-Hydroxy-2,4,4',5,6'-pentamethoxychalcone), a natural product and a modulator of miR-34a (microRNA-34), upregulates miR-34a expression in a p53-dependent manner, which in turn downregulates the expression of downstream targets Bcl-2, cyclin-D1, CDK6, SIRT1, and FOXP1, thereby inhibiting tumor growth and reversal of hepatocellular carcinoma (HCC) and chemoresistance in prostate cancer.

Samuraciclib hydrochloride (ICEC0942 hydrochloride) is a potent, selective, ATP competitive and oral active CDK7 inhibitor with IC50 of 41 nM. The selectivity of Samuraciclib hydrochloride is 45-, 15-, 230- and 30-fold higher than CDK1, CDK2 (IC50 is 578 nM), CDK5 and CDK9 respectively. Samuraciclib hydrochloride inhibits the growth of breast cancer cell lines with GI50 values between 0.2-0.3 μM. Samuraciclib hydrochloride has anti-tumor effects.

PHA-793887 has been used in trials studying the treatment of Advanced Metastatic Solid Tumors.

CVT-313 (NG-26) is a potent, selective, reversible, and ATP-competitive inhibitor.

BP-1-102 is an orally active, effective, and specific STAT3 inhibitor that binds Stat3 (Kd: 504 nM), blocks Stat3-phosphotyrosine (pTyr) peptide interactions and Stat3 activation (4-6.8 μM), and selectively inhibits the migration, survival, growth, and invasion of Stat3-dependent tumor cells. The BP-1-102-mediated inhibition of aberrantly active Stat3 in tumor cells suppresses the expression of [c-Myc, Bcl-xL, Cyclin D1, Survivin, and VEGF].

Obatoclax (GX15-070), a pan-BCL-2 family proteins inhibitor and BH3 mimetic, exhibits a binding affinity (K_i) of 220 nM for BCL-2. It promotes autophagy-dependent cell death and cyclin D1 degradation via the proteasome. Additionally, Obatoclax demonstrates anti-cancer properties and broad-spectrum antiparasitic activity.

Milciclib (PHA-848125) (PHA-848125) is a potent, ATP-competitive CDK inhibitor for CDK2 with IC50 of 45 nM. It is >3-fold more selective for CDK2 than CDK1, 2, 4, 5, and 7. Phase 2.

AT7519 is a CDK1 2 4 6 9 inhibitor (IC50: 10-210 nM). It is less effective to CDK3 and little active to CDK7.

LCH-7749944 (GNF-PF-2356) is a potent PAK4 inhibitor with an IC50 of 14.93 μM, effectively suppressing the proliferation of human gastric cancer cells by downregulating the PAK4 c-Src EGFR cyclin D1 pathway and inducing apoptosis.

Motixafortide TFA(664334-36-5,Free) (BKT140 TFA) is an antagonist of CXCR4 with IC50 of ～1 nM. It induces the apoptosis of AML blasts by down-regulating ERK, BCL-2, MCL-1 and cyclin-D1 via altered miR-15a 16-1 expression.

Compound SC-1 is a a derivative of the multiple tyrosine kinase inhibitor sorafenib. Compound SC-1 potently inhibits the phosphorylation of STAT3 by blocking STAT3 phosphorylation and activation, and induces apoptosis in hepatocellular carcinoma cell lines[1].

CAN508 is a potent ATP-competitive CDK9 cyclin T1 inhibitor with an IC50 of 0.35 μM. It also competitively inhibits Cdk2-cyclin E with respect to ATP, with Ki and IC50 values of 13.3 μM and 20 μM, respectively. CAN508 exhibits a 38-fold selectivity for CDK9 cyclin T over other CDK cyclin complexes. [Antitumor activity.]

Voruciclib is an orally active and selective CDK inhibitor (Ki: 0.626 nM-9.1 nM) that represses the expression of MCL-1 in multiple models of diffuse large B-cell lymphoma and effectively blocks CDK9, the transcriptional regulator of MCL-1.

Lerociclib (G1T38) is a selective and highly potent CDK4 6 inhibitor with anticancer and antitumor activity, inhibits CDK4 CyclinD1 and CDK6 CyclinD3, and inhibits tumor growth in an animal model of endocrine-resistant breast cancer. Due to the poor solubility, for animal studies, the salt form T11345L is recommended.

Lerociclib dihydrochloride (G1T38 dihydrochloride) is a potent and selective CDK4 CDK6 inhibitor, with IC50 values of 2 nM for CDK6 CyclinD3 and 1 nM for CDK4 CyclinD1.

Indirubin-5-sulfonate shows inhibitory activity against GSK-3β. Indirubin-5-sulfonate is a cyclin-dependent kinase (CDK) inhibitor, with IC50 values of 55 nM, 35 nM, 150 nM, 300 nM and 65 nM for CDK1 cyclin B, CDK2 cyclin A, CDK2 cyclin E, CDK4 cyclin D1,

Palbociclib-d8 (PD 0332991 D8) is the 2H-labeled form of Palbociclib. Palbociclib is an orally active CDK inhibitor that inhibits CDK4 and CDK6 (IC50=11 16 nM). Palbociclib has anti-tumor activity and is used in research for estrogen receptor-positive and HER2-negative breast cancer.