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Updated: Jul 28, 2025

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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Targeting the p53 signaling pathway in cancers: Molecular mechanisms and clinical studies

Jinze Shen1, Qurui Wang1, Yunan Mao1

  • 1Key Laboratory of Novel Targets and Drug Study for Neural Repair of Zhejiang Province School of Medicine Hangzhou City University Hangzhou Zhejiang China.

Medcomm
|May 31, 2023
PubMed

Insights

The tumor suppressor p53 regulates crucial cellular processes and its dysfunction is linked to cancer. This study highlights TRIAP1 as a novel p53 target that promotes cancer by inhibiting apoptosis, suggesting its therapeutic potential.

Area of Science:

  • Molecular Biology
  • Cancer Biology
  • Cellular Signaling

Background:

  • The tumor suppressor p53 is a critical regulator of cellular responses to stress, influencing cell cycle, DNA repair, metabolism, angiogenesis, and apoptosis.
  • p53's function is modulated by its domains, splice isoforms, and post-translational modifications like phosphorylation, acetylation, and ubiquitination.
  • Dysregulation of p53 is implicated in cancer development, and targeted therapies for the p53 pathway are emerging.

Purpose of the Study:

  • To provide a comprehensive overview of current research and clinical advancements in the p53 signaling pathway.
  • To identify and characterize novel downstream targets of p53 with therapeutic implications.
  • To investigate the role of TRIAP1 in cancer and its potential as a therapeutic target.

Main Methods:

  • Systematic review of recent basic research and clinical trial data.
  • Analysis of p53 pathway regulation, including post-translational modifications and functional domains.
  • Investigation of TRIAP1's mechanism of action as an inhibitor of apoptosis.

Main Results:

  • p53 plays a vital role in cellular homeostasis and its abnormalities are linked to oncogenesis.
  • TRIAP1, a homolog of yeast MDM35, functions as a novel downstream inhibitor of p53-regulated apoptosis.
  • TRIAP1 promotes tumor progression by blocking the mitochondria-dependent apoptosis pathway.

Conclusions:

  • The p53 signaling pathway is a crucial area for cancer research and therapeutic development.
  • TRIAP1 represents a significant downstream target of p53 signaling with a tumor-promoting role.
  • Targeting TRIAP1 holds promise for future cancer treatment strategies.
Keywords:
TRIAP1apoptosiscancer biomarkermolecular mechanismp53targeted therapy

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