In search of the functions of normal p53 protein

V Rotter1, O Foord, N Navot

  • 1Department of Cell Biology, The Weizmann Institute of Science, Rehovot, Israel.

Trends in Cell Biology
|February 1, 1993
PubMed

Insights

The tumor suppressor protein p53 is crucial for preventing cancer. This review examines its role in regulating normal cell growth and differentiation in vivo, considering recent conflicting evidence.

Area of Science:

  • Oncology
  • Molecular Biology
  • Cell Biology

Background:

  • The p53 protein is a critical tumor suppressor, vital for preventing neoplasia.
  • Most human tumors exhibit abnormal or inactivated p53.
  • Restoring normal p53 expression in cancer cells induces growth suppression, differentiation, or apoptosis.

Purpose of the Study:

  • To critically assess recent conflicting data regarding the role of p53 in the regulation of normal cell growth and differentiation in vivo.

Main Methods:

  • Literature review and critical analysis of existing studies.
  • Examination of conflicting experimental data on p53 function.

Main Results:

  • Conflicting data exists regarding p53's precise role in normal cell growth and differentiation in vivo.
  • The in vivo functions of p53 in normal tissues require further elucidation.

Conclusions:

  • The exact involvement of p53 in regulating normal cell growth and differentiation in vivo remains an area of active investigation and debate.
  • Further research is necessary to reconcile conflicting findings and fully understand p53's physiological roles.

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