Senescence; inhibition of cell cycle reentry in postmitotic neurons; neuronal migration; formation of dendrite extensions and synapses; neuronal survival; neuronal death
RNA pol II; MyoD; p53; retinoblastomas gene (pRb); hSPT5, c-Myc; SkiP; Smad; signal transducer and activator of transcription 3 (STAT3); TRAF2; Brd4; NF-B; Suppressor of Ty Homolog-5 (SUPT5H); Negative Elongation Factor-E (NELF-E); human Rad6 homolog UBE2A; E12/E47 (members of the basic helix-loop-helix family); Hexamethylene bisacetamide-inducible protein 1 (Hexim1); Hexim2; 7SK snRNA; p300/GATA4, HIV-1 and HIV-2 Tat protein; HTLV-1 tax protein; EBV EBNA2; hCMV pUL69; hCMV IE2; HSV-1 ICP22 and ICP27; adenovirus large E1A (L-E1A) protein; influenza virus RNA-dependent RNA polymerase (vRNP); gp130*; HSP70*; HSP90*; Cdc37* (*these factors form a transient association with the monomeric Cdk9)
Transcription; cotranscriptional mRNA processing; regulation of chromatin modification; cell differentiation (B and T lymphocytes, muscle cells); adipogenesis; protection from apoptosis