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Gene Review

Cdk9  -  cyclin-dependent kinase 9 (CDC2-related...

Mus musculus

Synonyms: Cell division protein kinase 9, Cyclin-dependent kinase 9, PITALRE
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Disease relevance of Cdk9


High impact information on Cdk9

  • Proteomic analysis revealed that Brd4 interacts with cyclinT1 and Cdk9 that constitutes core positive transcription elongation factor b (P-TEFb) [2].
  • Cdk9, cyclinT2 and MyoD can be detected in a multimeric complex in C2C12 cells, with the minimal cdk9-binding region of MyoD mapping within 101-161 aa of the bHLH region [3].
  • Thus, suppression of HIV-1 transcription by selective cyclin-dependent kinase-9 inhibitors may be a useful therapeutic strategy for the treatment of HIVAN [1].
  • This study provides the molecular basis for understanding the transcriptional control of the Cdk9 gene, and could serve to facilitate the molecular genetic investigation of Cdk9 function during mouse embryonal development [4].
  • The Cdk9 gene mapped on mouse chromosome 2, which is consistent with the known region of synteny with human chromosome 9q34 [4].

Biological context of Cdk9

  • Additionally, we performed a basic analysis of the transcriptional activity of the promoter and found that the 364 bp of Cdk9 5' flanking region were able to elicit high transcriptional levels of a luciferase reporter gene in NIH3T3 cells [4].


  1. Suppression of HIV-1 expression by inhibitors of cyclin-dependent kinases promotes differentiation of infected podocytes. Nelson, P.J., Gelman, I.H., Klotman, P.E. J. Am. Soc. Nephrol. (2001) [Pubmed]
  2. The bromodomain protein Brd4 is a positive regulatory component of P-TEFb and stimulates RNA polymerase II-dependent transcription. Jang, M.K., Mochizuki, K., Zhou, M., Jeong, H.S., Brady, J.N., Ozato, K. Mol. Cell (2005) [Pubmed]
  3. Activation of MyoD-dependent transcription by cdk9/cyclin T2. Simone, C., Stiegler, P., Bagella, L., Pucci, B., Bellan, C., De Falco, G., De Luca, A., Guanti, G., Puri, P.L., Giordano, A. Oncogene (2002) [Pubmed]
  4. Genomic organization, promoter analysis, and chromosomal mapping of the mouse gene encoding Cdk9. Bagella, L., Stiegler, P., De Luca, A., Siracusa, L.D., Giordano, A. J. Cell. Biochem. (2000) [Pubmed]
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