Dangerous habits of a security guard: the two faces of p53 as a drug target

Andrei V Gudkov1, Elena A Komarova

  • 1Department of Molecular Genetics, Lerner Research Institute, Cleveland Clinic, Cleveland, OH, USA. andrei.gudkov@roswellpark.org

Human Molecular Genetics
|September 26, 2007
PubMed

Insights

The tumor suppressor p53, crucial for preventing cancer, also drives cell loss in acute tissue damage. Inhibiting p53 for acute conditions risks cancer promotion, posing a therapeutic challenge.

Area of Science:

  • Molecular Biology
  • Oncology
  • Pathology

Background:

  • The p53 protein is a critical tumor suppressor, frequently inactivated in various cancers.
  • Emerging evidence highlights p53's role in pathologies involving acute tissue stress and apoptosis-induced cell death.

Purpose of the Study:

  • To review the dual role of p53 in cancer suppression and acute tissue injury.
  • To discuss pharmacological strategies for managing p53's activity in pathological conditions.

Main Methods:

  • Review of existing literature on p53 function in cancer and acute stress.
  • Analysis of molecular mechanisms governing p53 regulation and activity.
  • Discussion of potential therapeutic interventions targeting p53.

Main Results:

  • p53 inactivation is common in tumors, but its activation is essential for preventing cancer.
  • p53 mediates significant cell loss via apoptosis during acute tissue pathologies.
  • Therapeutic inhibition of p53 for acute conditions presents a conflict with its cancer-preventive role.

Conclusions:

  • Understanding p53's complex molecular mechanisms is key to resolving the therapeutic dilemma.
  • Pharmacological approaches targeting p53 regulation offer potential solutions for treating acute pathologies without compromising cancer prevention.

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