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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

Drug discovery and the p53 family

Constantinos Demonacos1, Nicholas B La Thangue

  • 1Division of Biochemistry and Molecular Biology, Davidson Building, University of Glasgow, Glasgow, G12 8QQ, U.K.

Progress in Cell Cycle Research
|November 5, 2003
PubMed

Insights

Restoring tumor suppressor p53 activity or enhancing related p63/p73 proteins offers new cancer treatment avenues. Modulating p53 responses may also improve current drug efficacy and reduce side effects.

Area of Science:

  • Oncology
  • Molecular Biology
  • Cancer Genetics

Background:

  • The tumor suppressor protein p53 is crucial for preventing abnormal cell growth, and its inactivation is a key feature of many cancers.
  • Unlike p53, its relatives p63 and p73 are seldom mutated in tumors, suggesting distinct roles in cancer development.
  • There is a significant clinical need to enhance the effectiveness of existing anti-cancer therapies.

Purpose of the Study:

  • To explore therapeutic strategies targeting the p53 family of proteins for novel cancer treatments.
  • To investigate the potential of modulating p53 responses to improve the therapeutic window of conventional anti-cancer drugs.

Main Methods:

  • Theoretical exploration of therapeutic approaches.
  • Analysis of the role of p53, p63, and p73 in cancer.
  • Consideration of strategies to modify p53 pathway activity.

Main Results:

  • Inactivating the p53 response could potentially reduce side effects in healthy cells, thereby widening the therapeutic index of current drugs.
  • Reinstating p53 function or augmenting p63/p73 offers promising theoretical routes for new cancer therapies.

Conclusions:

  • Targeting the p53 pathway presents an exciting and feasible direction for cancer drug discovery.
  • Clinical translation of p53-focused cancer therapies is anticipated to be challenging but holds significant potential.

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