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Updated: May 14, 2026

Yeast As a Chassis for Developing Functional Assays to Study Human P53
14:57

Yeast As a Chassis for Developing Functional Assays to Study Human P53

Published on: August 4, 2019

Recent discoveries in the cycling, growing and aging of the p53 field

James A McCubrey1, Zoya N Demidenko

  • 1Department of Microbiology and Immunology, Brody School of Medicine, East Carolina University, NC 27858, USA. mccubreyj@ecu.edu

Aging
|February 22, 2013
PubMed

Insights

The p53 tumor suppressor protein plays crucial roles beyond traditional cell death pathways. Recent discoveries highlight its function in epigenetic regulation, metabolism, and protecting normal cells during cancer therapy.

Area of Science:

  • Molecular Biology
  • Cancer Research
  • Genetics

Background:

  • The p53 protein is a critical tumor suppressor, extensively studied for its roles in cell death, growth arrest, and apoptosis.
  • Despite decades of research, new functions of p53 continue to emerge, challenging previous understandings.

Purpose of the Study:

  • To review recent groundbreaking discoveries regarding the multifaceted roles of the p53 protein.
  • To explore novel functions of p53 beyond its canonical tumor suppressor activities.

Main Methods:

  • Literature review of recent scientific publications on p53.
  • Analysis of emerging research on p53's involvement in non-canonical pathways.

Main Results:

  • p53 suppresses epigenetic silencing of non-coding RNAs.
  • p53 inhibits oncogenic metabolism and the senescence phenotype.
  • p53 protects normal cells from chemotherapy and mediates tumor suppression without inducing apoptosis or cell cycle arrest.

Conclusions:

  • The p53 protein exhibits diverse and complex functions in cancer suppression and cellular regulation.
  • Emerging roles of p53 in epigenetics, metabolism, and therapy protection warrant further investigation.

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