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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

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Dissociating the metabolic and tumor-suppressive activity of p53

Yoshitaka Sakurai1, Naoto Kubota2, Takashi Kadowaki3

  • 1Department of Diabetes and Metabolic Diseases, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan.

Trends in Endocrinology and Metabolism: TEM
|August 2, 2024
PubMed

Insights

Selective activation of the tumor suppressor p53, by reducing Tudor interacting repair regulator (TIRR), protects against cancer. This occurs even with obesity and insulin resistance, impacting oncogenesis and metabolism.

Area of Science:

  • Oncology
  • Metabolic Regulation
  • Molecular Biology

Background:

  • The tumor suppressor p53 is a key regulator of cellular processes and metabolic homeostasis.
  • Dysregulation of p53 is implicated in various cancers and metabolic disorders.
  • Obesity and insulin resistance are significant risk factors for cancer development.

Purpose of the Study:

  • To investigate the role of selective p53 activation in cancer protection.
  • To explore the impact of Tudor interacting repair regulator (TIRR) downregulation on p53 activity.
  • To understand the interplay between p53, oncogenesis, and systemic metabolism in the context of metabolic dysfunction.

Main Methods:

  • Selective activation of p53 was achieved through the downregulation of Tudor interacting repair regulator (TIRR).
  • The study analyzed the protective effects conferred by this selective p53 activation.
  • The research examined the implications in models of obesity and insulin resistance.

Main Results:

  • Downregulation of TIRR led to selective activation of p53.
  • Selective p53 activation conferred significant protection against cancer development.
  • This protection was observed even in the presence of obesity and insulin resistance.

Conclusions:

  • Selective p53 activation via TIRR downregulation offers a novel strategy for cancer prevention.
  • p53 plays a critical role at the nexus of cancer development and metabolic health.
  • Targeting the p53-TIRR axis may provide therapeutic benefits for individuals with metabolic comorbidities and cancer risk.
Keywords:
cancerinflammationinsulin resistanceobesityoncogenesisp53

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