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p66Shc in Cardiovascular Pathology.

Landon Haslem1, Jennifer M Hays1, Franklin A Hays1,2,3

  • 1Biochemistry and Molecular Biology Department, College of Medicine, University of Oklahoma Health Sciences Center, Oklahoma City, OK 73104, USA.

Cells
|June 10, 2022
PubMed
Summary

The protein p66Shc regulates cardiovascular diseases by controlling reactive oxygen species (ROS) signals. A new model shows p66Shc acts as a rheostat, influencing apoptosis and cardiovascular pathology.

Keywords:
ROSShcAapoptosisischemia/reperfusionmitochondrial dysfunctionmyocardial infarctionp66Shc

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Area of Science:

  • Biochemistry
  • Cell Biology
  • Cardiovascular Research

Background:

  • p66Shc protein is widely expressed.
  • It plays a role in cardiovascular pathologies.
  • p66Shc influences pro-apoptotic reactive oxygen species (ROS) signals.

Purpose of the Study:

  • To review p66Shc's role in ROS generation and signaling.
  • To discuss p66Shc's mitochondrial functions and regulation.
  • To present a new model for p66Shc's function in apoptosis and cardiovascular disease.

Main Methods:

  • Literature review focusing on p66Shc.
  • Analysis of p66Shc's structure-function relationships.
  • Examination of p66Shc-cytochrome c interactions.

Main Results:

  • p66Shc influences ROS production and localization.
  • p66Shc has significant mitochondrial functions.
  • A new model positions p66Shc as a rheostat controlling apoptosis.

Conclusions:

  • p66Shc's function is complex, acting as a rheostat in apoptosis.
  • This revised model explains p66Shc's role in cardiovascular pathology.
  • Further research into p66Shc's mitochondrial mechanisms is warranted.