cdk4 inhibitor

PD 0332991, an unsymmetrical indolocarbazole compound, is cell-permeable and exhibits antiproliferative effects by functioning as a potent, selective, reversible, and ATP-competitive inhibitor of Cdk4/D1 (IC 50 = 76 nM). Although it can inhibit other Cdks, such as Cdk2/E and Cdk1/B, effectiveness requires higher concentrations (IC 50 = 520 nM and 2.1 µM, respectively) and demonstrates minimal activity against CaMKII, PKA, or GSK-3β (IC 50 ≥ 12.4 µM). PD 0332991 efficiently inhibits tumor cell growth in HCT-116 and NCI-H460 cell lines with an IC 50 < 3.0 µM, primarily through blocking Rb phosphorylation and inducing G1 cell cycle arrest.

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.

Nimbolide suppresses CDK4 CDK6 kinase activity. Nimbolide inhibits the NF-κB, Wnt, PI3K-Akt, MAPK, and JAK-STAT signaling pathways. Nimbolide causes apoptosis through the inactivation of NF-κB. Nimbolide is a triterpene derived from the leaves and flowers

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.

Flavopiridol (Alvocidib) (Alvocidib) competes with ATP to inhibit CDKs including CDK1, CDK2, CDK4 and CDK6 with IC50 of ~ 40 nM. It is 7.5-fold more selective for CDK1, 2, 4, 6 versus CDK7. Flavopiridol is initially found to inhibit EGFR and PKA. Phase 1 2.

Abemaciclib metabolite M20 (CDK4 6-IN-4) is an active metabolite of Abemaciclib. Abemaciclib metabolite M20 is a selective CDK4 6 inhibitor and can be used for researches on the treatment of cancer.

CDK9-IN-7 is a highly selective 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).

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].

NU6102 is a selective and potent ATP-competitive CDK2 inhibitor with antitumor activity against CDK1 cyclinB, CDK2 cyclinA3, CDK1 CDK2, CDK4, DYRK1A , PDK1, and ROCKII, and it can be used to study rectal cancer.

ZDLD20 is an orally active and selective CDK4 inhibitor, a β-carboline analog with anti-HCT116 and anticancer activity that inhibits colony formation, inhibits invasion and migration, induces apoptosis, and prevents the G1 phase of the cell cycle.

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.

Ribociclib succinate (LEE011 succinate) is a highly specific CDK4 6 inhibitor with IC50 values of 10 nM and 39 nM, respectively, and exhibits over 1,000-fold reduced potency against the cyclin B CDK1 complex.

Palbociclib (PD 0332991) is a CDK inhibitor that inhibits CDK4 and CDK6 (IC50=11 16 nM) and is orally active. Palbociclib has anti-tumorigenic activity and has investigational potential for use in ER-positive and HER2-negative breast cancer.

Abemaciclib (LY2835219) is a dual inhibitor of CDK4 6 (IC50=2 10 nM) with selectivity and specificity. Abemaciclib has antitumor activity and is used to treat advanced or metastatic breast cancer.

Abemaciclib methanesulfonate (LY2835219) is a specific and effective inhibitor of CDK4(IC50=2 nM) and CDK6(IC50=10 nM).

Ribociclib (LEE011) is an orally available, and highly specific CDK4 6 inhibitor (IC50:10 39 nM).

Palbociclib monohydrochloride (PD 0332991 hydrochloride) is a selective inhibitor of CDK4 6 (IC50s: 11 16 nM). It exhibits no inhibition against a panel of 36 additional protein kinases.

Rafoxanide as a dual CDK4 6 inhibitor for the treatment of skin cancer. Rafoxanide is a salicylanilide used as an anthelmintic. It is used to treat fluke, hookworm and other infestations.

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.

BMS-265246 is a potent and selective CDK1 2 inhibitor. Its chemical name is (4-[R-(2,3-Dihydro-benzo[1,4]dioxin-6-yl)-1H-indol-1-yl]-1H-pyrazolo[3,4-d] pyrimidine-6-amine), and it functions by targeting CDK1 and CDK2 to potentially disrupt cell cycle progression.

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

SNS-032 (BMS-387032) is a selective inhibitor of CDK2 (IC50: 48 nM), exhibiting 10- and 20-fold selectivity over CDK1 and CDK4, respectively. It is also sensitive to CDK7 (IC50: 62 nM) and CDK9 (IC50: 4 nM), with no effect on CDK6.

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.