Target intelligence / Profile preview

Cyclin-dependent kinase 8 (None)

Target
None
Molecular classification
Enzyme, Protein Kinase, Serine/threonine protein kinase, Transcription factor
01

Overview

Cyclin-dependent kinase 8 (CDK8) is a serine/threonine protein kinase that belongs to the cyclin-dependent kinase family. It forms a complex with cyclin C and is primarily known for its role in regulating transcription as part of the Mediator complex. CDK8 is an oncogenic driver in multiple cancers, activating pathways like Wnt/β-catenin and regulating estrogen-inducible genes. High CDK8 levels are associated with poor prognosis in certain cancers. It functions through phosphorylation events affecting target proteins involved in gene regulation. Inhibitors like Senexin A block its ATP-binding pocket.

Other names
CDK8K35cyclin-dependent kinase 8IDDHBA
02

Mechanism of action

Inhibition of CDK8 kinase activity

03

Biological functions

Transcriptional regulationPhosphorylationRegulation of gene expressionMediator complex function
04

Disease associations

CancerColorectal cancerBreast cancerHematological malignanciesUterine leiomyosarcoma
05

Safety considerations

Potential for off-target effects due to kinase family similaritiesContext-dependent tumor-suppressive functions in certain cellular contexts
06

Interacting drugs

Senexin A
07

Biomarkers

CDK8 expression level (prognostic marker)

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