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this study shows role of CDK9 in oncogenic processes of esophageal adenocarcinoma
CDK9, in addition to CDK1 (显示 CDK1 蛋白), has roles in mediating the growth inhibitory effect of dinaciclib on cyclin B1 (显示 CCNB1 蛋白) in triple negative breast cancer
Cdk9 is a post-exposure drug target against human adenoviruses.
BRD4 (显示 BRD4 蛋白) and CDK9 have independent, coordinated roles in promoting the myofibroblast transition
RBPJ (显示 RBPJ 蛋白) links MYC (显示 MYC 蛋白) and transcriptional control through CDK9 in brain tumors, providing potential nodes of fragility for therapeutic intervention, potentially distinct from NOTCH (显示 NOTCH1 蛋白)
Chemical degrader of BET bromodomain proteins, dBET6, led to the unexpected identification of BRD4 (显示 BRD4 蛋白) as master regulator of global transcription elongation in acute T-cell leukemia. BRD4 (显示 BRD4 蛋白) loss does not directly affect CDK9 localization.
H1 variant interphase phosphorylation is dynamically regulated in a site-specific and gene-specific fashion during pluripotent cell differentiation, and that enrichment of pS187-H1.4 at genes is positively related to their transcription. H1.4-S187 is likely to be a direct target of CDK9 during interphase, suggesting the possibility that this particular phosphorylation may contribute the release of paused RNA pol II
CDK9 is a player in the DNA damage response and is consistent with its participation in homology-directed recombination pathway by modulating BRCA1 response.
HSP90 (显示 HSP90 蛋白) downstream HSF1 (显示 HSF1 蛋白) gives positive feedback to the reactivation process through binding to cyclin-dependent kinase 9 (CDK9) and preventing it from undergoing degradation by the proteasome.
Quantitative measurement of the molecular interactions among Tat (显示 TAT 蛋白), CycT1 (显示 CCNT1 蛋白) and CDK9 has showed that any third molecule enhances the binding between the other two molecules. These findings suggest that each component of the Tat:P-TEFb (显示 TEF 蛋白) complex stabilizes the overall complex, thereby supporting the efficient transcriptional elongation during viral RNA synthesis.
CDK9 clearly plays a fundamental role in early cellular growth and proliferation.
Pharmacological and genetic results present evidence that CDK9 is involved in the resolution of neutrophil-dependent inflammation.
The balance of Cdk9 and Larp7 (显示 LARP7 蛋白) plays a key role in cardiomyocyte proliferation and response to injury
actin (显示 ACTB 蛋白) participates in transcription elongation by recruiting Cdk9,a catalytic subunit of P-TEFb, for phosphorylation of the Pol II C-terminal domain, and the actin (显示 ACTB 蛋白)-Cdk9 interaction promotes chromatin remodeling
Genetic transcription and RNA processing of PTefb kinase is coordinated on heat shock genes.
Cdk9 is required for heat shock gene expression, histone methylation and elongation factor (显示 TSFM 蛋白) recruitment.
findings revealed the crucial role of CDK9/Cyclin T1 (显示 CCNT1 蛋白)/Pol II pathway in promoting allorejection at multiple levels and may provide a new approach for transplantation tolerance induction through targeting CDK9
identified cyclin-dependent kinase 9 (Cdk9) as required for hepatocellular carcinoma disease maintenance
This study demonstrates that Ikaros (显示 IKZF1 蛋白) directly interacts with GATA1 (显示 GATA1 蛋白), GATA2 (显示 GATA2 蛋白), and GATA3 (显示 GATA3 蛋白) as well as Cdk9/P-TEFb through specific protein domains.
Data show that the minimal 90-amino acid AF9 (显示 MLLT3 蛋白) fragment in MLL (显示 MLL 蛋白)-AF9 (显示 MLLT3 蛋白) retains an ability to form higher order complexes with AF4*P-TEFb (显示 CCNT1 蛋白) and with DOT1 (显示 DOT1L 蛋白).
Data show that the CDK9 and cyclin T1 (显示 CCNT1 蛋白) subunits of P-TEFb (显示 CCNT1 蛋白) are present in mouse oocytes and preimplantation embryos, and that CDK9 is essential for embryonic genome activation in the mouse.
The present study examined whether Cdk9 forms a complex with GATA4 (显示 GATA4 蛋白) in mouse embryonic stem cells and is involved in their differentiation into cardiomyocytes.
Data report that a second cdk9 isoform, termed cdk9-55, plays a fundamental role in muscle regeneration and differentiation in vivo.
role in activating MyoD (显示 MYOD1 蛋白)-dependent transcription
CDK9 has the intrinsic property to shuttle between nucleus and cytoplasm, and enhanced expression of cyclin T1 (显示 CCNT1 蛋白) promotes its nuclear localization.
chronic activation of Cdk9 causes not only cardiomyocyte enlargement but also defective mitochondrial function, via diminished PGC-1 transcription, and a resulting susceptibility to apoptotic cardiomyopathy
inhibition of CDK9 abrogated global transcriptional activity and rRNA production. Collectively, our data suggested that P-TEFb (显示 CCNT1 蛋白) kinase activity is crucial for oocyte maturation, embryo development and regulation of RNA transcription in pig.
Full-length cDNA, morpholinos, and mutagenesis rescue constructs of cdk9L were used. Cdk9.S, Cdk9.L andCyclinT1 were expressed in the neural plate and neural plate border of neurula stage embryos and in the neural-crest-derived branchial arteries at the tailbud stage. Cdk9 knockdown causes an increase in RNA Pol II occupance and pausing of c-myc (显示 MYC 蛋白) which regulates neural crest specification.
The protein encoded by this gene is a member of the cyclin-dependent protein kinase (CDK) family. CDK family members are highly similar to the gene products of S. cerevisiae cdc28, and S. pombe cdc2, and known as important cell cycle regulators. This kinase was found to be a component of the multiprotein complex TAK/P-TEFb, which is an elongation factor for RNA polymerase II-directed transcription and functions by phosphorylating the C-terminal domain of the largest subunit of RNA polymerase II. This protein forms a complex with and is regulated by its regulatory subunit cyclin T or cyclin K. HIV-1 Tat protein was found to interact with this protein and cyclin T, which suggested a possible involvement of this protein in AIDS.
, cell division cycle 2-like protein kinase 4
, cell division protein kinase 9
, serine/threonine protein kinase PITALRE
, serine/threonine-protein kinase PITALRE
, tat-associated kinase complex catalytic subunit
, cyclin-dependent kinase 9 (CDC2-related kinase)
, Cyclin-dependent kinase9 2.7
, p43 PITALRE
, positive transcription elongation factor b
, positive transcription elongation factor b, small subunit
, cyclin-dependent kinase 9
, cell division protein kinase 9-A
, cyclin-dependent kinase 9-A