Journal
CANCER SCIENCE
Volume 109, Issue 11, Pages 3376-3382Publisher
WILEY
DOI: 10.1111/cas.13792
Keywords
apoptosis; cancer; kinase; p53; phosphorylation
Categories
Funding
- Japan Heart Foundation
- Jikei University Research Fund
- Japan Society for the Promotion of Science [17H03584, 17K08672]
- Grants-in-Aid for Scientific Research [17H03584, 17K08672] Funding Source: KAKEN
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Tumor suppressor p53 plays an important role in cancer prevention. Under normal conditions, p53 is maintained at a low level. However, in response to various cellular stresses, p53 is stabilized and activated, which, in turn, initiates DNA repair, cell-cycle arrest, senescence and apoptosis. Post-translational modifications of p53 including phosphorylation, ubiquitination, and acetylation at multiple sites are important to regulate its activation and subsequent transcriptional gene expression. Particularly, phosphorylation of p53 plays a critical role in modulating its activation to induce apoptosis in cancer cells. In this context, previous studies show that several serine/threonine kinases regulate p53 phosphorylation and downstream gene expression. The molecular basis by which p53 and its kinases induce apoptosis for cancer prevention has been extensively studied. However, the relationship between p53 phosphorylation and its kinases and how the activity of kinases is controlled are still largely unclear; hence, they need to be investigated. In this review, we discuss various roles for p53 phosphorylation and its responsible kinases to induce apoptosis and a new therapeutic approach in a broad range of cancers.
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