Cyclin-dependent kinase 4

Source: Wikipedia, the free encyclopedia.
CDK4
Gene ontology
Molecular function
Cellular component
Biological process
Sources:Amigo / QuickGO
Ensembl
UniProt
RefSeq (mRNA)

NM_052984
NM_000075

NM_009870
NM_001355005

RefSeq (protein)

NP_000066

NP_034000
NP_001341934

Location (UCSC)Chr 12: 57.75 – 57.76 Mbn/a
PubMed search[2][3]
Wikidata
View/Edit HumanView/Edit Mouse

Cyclin-dependent kinase 4 also known as cell division protein kinase 4 is an enzyme that in humans is encoded by the CDK4 gene. CDK4 is a member of the cyclin-dependent kinase family.

Function

The protein encoded by this gene is a member of the

SMAD3 in a cell-cycle-dependent manner and represses its transcriptional activity. Component of the ternary complex, cyclin D/CDK4/CDKN1B, required for nuclear translocation and activity of the cyclin D-CDK4 complex.[5]

Clinical significance

Role of CDK4, cyklin D, Rb and E2F in cell cycle regulation.

Mutations in this gene as well as in its related proteins including D-type cyclins, p16(INK4a), CDKN2A and Rb were all found to be associated with tumorigenesis of a variety of cancers. One specific point mutation of CDK4 (R24C) was first identified in melanoma patients. This mutation was introduced also in animal models and its role as a cancer driver oncogene was studied thoroughly. Nowadays, deregulated CDK4 is considered to be a potential therapeutic target in some cancer types and various CDK4 inhibitors are being tested for cancer treatment in clinical trials.[6][7]

Multiple polyadenylation sites of this gene have been reported.[4]

It is regulated by Cyclin D.

Inhibitors

US FDA approved CDK4 and CDK6 inhibitors for the treatment of estrogen receptor positive/ HER2 negative advanced breast cancer.[8]

See also CDK inhibitor for inhibitors of various CDKs.

Interactions

Cyclin-dependent kinase 4 has been shown to

interact
with:

Overview of signal transduction pathways involved in apoptosis. (CDK4 in the (pink) nucleus)

References

  1. ^ a b c GRCh38: Ensembl release 89: ENSG00000135446Ensembl, May 2017
  2. ^ "Human PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
  3. ^ "Mouse PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
  4. ^ a b "Entrez Gene: CDK4 cyclin-dependent kinase 4".
  5. ^ "CDK4 - Cyclin-dependent kinase 4 - Homo sapiens (Human) - CDK4 gene & protein".
  6. S2CID 12933349
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  8. ^ "Approved Drugs > Ribociclib (Kisqali)". Food and Drug Administration. Retrieved 12 September 2017.
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Further reading

External links