Description
Palbociclib is an orally bioavailable selective inhibitor of CDK4 and CDK6, kinases that regulate cell cycle progression. This compound exhibits anticancer chemotherapeutic activity in a variety of models, including renal cell carcinoma and ER+ breast cancer. Palbociclib inhibits retinoblastoma phosphorylation, preventing cells from progressing from the G1 phase to the S phase and inducing apoptosis.
References
Logan JE, Mostofizadeh N, Desai AJ, et al. PD-0332991, a Potent and Selective Inhibitor of Cyclin-dependent Kinase 4/6, Demonstrates Inhibition of Proliferation in Renal Cell Carcinoma at Nanomolar Concentrations and Molecular Markers Predict for Sensitivity. Anticancer Res. 2013 Aug;33(8):2997-3004. PMID: 23898052.
Roberts PJ, Bisi JE, Strum JC, et al. Multiple roles of cyclin-dependent kinase 4/6 inhibitors in cancer therapy. J Natl Cancer Inst. 2012 Mar 21;104(6):476-87. PMID: 22302033.
Rivadeneira DB, Mayhew CN, Thangavel C, et al. Proliferative suppression by CDK4/6 inhibition: complex function of the retinoblastoma pathway in liver tissue and hepatoma cells. Gastroenterology. 2010 May;138(5):1920-30. PMID: 20100483.