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[Tumor suppressor gene p53]

T Tokino1

  • 1Laboratory of Molecular Medicine, University of Tokyo.

Nihon Rinsho. Japanese Journal of Clinical Medicine
|April 1, 1996
PubMed
Summary

Mutations in the p53 tumor suppressor gene are frequent in human cancers. The p53 protein regulates gene transcription, mediating crucial cellular functions like cell cycle arrest and apoptosis in response to DNA damage.

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Area of Science:

  • Molecular biology
  • Cancer genetics
  • Tumor suppressor genes

Context:

  • p53 gene alterations are common in human cancers.
  • p53 protein has multiple biological functions, including G1 arrest and apoptosis.
  • p53 acts as a sequence-specific DNA-binding transcriptional regulator.

Purpose:

  • To elucidate the role of p53 in cancer.
  • To understand the molecular mechanisms of p53 function.
  • To explore p53's transcriptional regulatory activity.

Summary:

  • The p53 tumor suppressor gene is frequently altered in human cancers.
  • p53 protein induces cell cycle arrest and apoptosis after DNA damage.
  • p53 functions as a sequence-specific DNA-binding transcriptional regulator, controlling downstream genes.

Impact:

  • Understanding p53's transcriptional role is key to cancer therapy.
  • Identifying p53-regulated genes can reveal new therapeutic targets.
  • This research contributes to the fundamental knowledge of cancer genetics and molecular pathways.

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