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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Horenstein, Nicole Rowe, Thomas Aslanidi, George Cress, W. Douglas Corsino, Patrick Law, Mary Ostrov, David Barrett, Amanda Law, Brian |
| Description | Author Affiliation: Corsino P ( Department of Pharmacology and Therapeutics, University of Florida, Gainesville, Fliorida 32610-3633, USA.) |
| Abstract | The cyclin-dependent kinase (Cdk) family is emerging as an important therapeutic target in the treatment of cancer. Cdks 1, 2, 4, and 6 are the key members that regulate the cell cycle, as opposed to Cdks that control processes such as transcription (Cdk7 and Cdk9). For this reason, Cdks 1, 2, 4, and 6 have been the subject of extensive cell cycle-related research, and consequently many inhibitors have been developed to target these proteins. However, the compounds that comprise the current list of Cdk inhibitors are largely ATP-competitive. Here we report the identification of a novel structural site on Cdk2, which is well conserved between the cell cycle Cdks. Small molecules identified by a high throughput in silico screen of this pocket exhibit cytostatic effects and act by reducing the apparent protein levels of cell cycle Cdks. Drug-induced cell cycle arrest is associated with decreased Rb phosphorylation and decreased expression of E2F-dependent genes. Multiple lines of evidence indicate that the primary mechanism of action of these compounds is the direct induction of Cdk1, Cdk2, and Cdk4 protein aggregation. |
| ISSN | 00219258 |
| e-ISSN | 1083351X |
| Journal | Journal of Biological Chemistry |
| Issue Number | 43 |
| Volume Number | 284 |
| Language | English |
| Publisher | American Society for Biochemistry and Molecular Biology (United States) |
| Publisher Date | 2009-10-23 |
| Publisher Place | United States |
| Access Restriction | Open |
| Subject Keyword | Cell Cycle Drug Effects Cyclin-Dependent Kinases Antagonists & Inhibitors Protein Kinase Inhibitors Chemistry Pharmacology Adenosine Triphosphate Metabolism Cell Line E2F Transcription Factors Enzyme Induction Retinoblastoma Protein Research Support, N.I.H., Extramural Research Support, Non-U.S. Gov't Biochemistry Molecular Biology |
| Content Type | Text |
| Resource Type | Article |
| Subject | Cell Biology Biochemistry Molecular Biology |
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