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Related Concept Videos

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Under normal conditions, most adult cells remain in a non-proliferative state unless stimulated by internal or external factors to replace lost cells. Abnormal cell proliferation is a condition in which the cell's growth exceeds and is uncoordinated with normal cells. In such situations, cell division persists in the same excessive manner even after cessation of the stimuli, leading to persistent tumors. The tumor arises from the damaged cells that replicate to pass the damage to the...
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Related Experiment Video

Updated: Aug 5, 2025

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

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Small-molecule correctors and stabilizers to target p53.

Maryam M J Fallatah1, Fiona V Law1, Warren A Chow2

  • 1Department of Biological Chemistry, University of California, Irvine, Irvine, CA 92697, USA; Chao Family Comprehensive Cancer Center, University of California, Irvine, Irvine, CA 92697, USA.

Trends in Pharmacological Sciences
|March 24, 2023
PubMed
Summary

Targeting the tumor suppressor p53, a key player in cancer, involves MDM2 antagonists and mutant p53 correctors. These compounds aim to restore p53

Keywords:
MDM2 antagonistsTP53cancermutant reactivationnutlinsp53small molecules

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Area of Science:

  • Oncology
  • Molecular Biology
  • Drug Discovery

Background:

  • The tumor suppressor p53 is frequently mutated in human cancers, making it a critical target for precision oncology.
  • Cancer cells inactivate p53 through TP53 mutations or accelerated protein degradation.
  • Restoring p53 function is a promising strategy to inhibit tumor initiation and progression.

Purpose of the Study:

  • To review novel and repurposed compounds targeting the p53 pathway.
  • To discuss the mechanisms of action for MDM2 antagonists and mutant p53 correctors.
  • To examine the clinical challenges associated with p53-targeting therapies.

Main Methods:

  • Literature review of p53-targeting compounds, focusing on MDM2 inhibitors and mutant p53 correctors.
  • Analysis of compound mechanisms: MDM2 inhibitors prevent p53 degradation; correctors enhance mutant p53 stability.
  • Exploration of therapeutic strategies and clinical translation hurdles for p53-based treatments.

Main Results:

  • MDM2 antagonists reactivate p53 by inhibiting its degradation.
  • Mutant p53 correctors aim to restore the tumor-suppressive activity of mutated p53 proteins.
  • Both approaches present unique challenges for clinical development and application.

Conclusions:

  • Targeting p53 via MDM2 inhibition or mutant p53 correction offers significant therapeutic potential in oncology.
  • Overcoming challenges in drug delivery, specificity, and clinical efficacy is crucial for advancing these p53-targeting agents.
  • Further research into novel and repurposed compounds is essential for effective cancer treatment strategies.