p66Shc protein, oxidative stress, and cardiovascular complications of diabetes: The missing link

Pietro Francia, Francesco Cosentino, Marzia Schiavoni, Yale Huang, Enrico Perna, Giovani G. Camici, Thomas F. Lüscher, Massimo Volpe

Research output: Contribution to journalArticle

Abstract

Diabetes affects more than 150 million people worldwide, and it is estimated that this would increase to 299 million by the year 2025. The incidence of and mortality from cardiovascular disease are two- to eightfold higher in subjects with diabetes than in those without, coronary artery disease accounting for the large majority of deaths. Among the full spectrum of biochemical effects of high glucose, generation of oxygen-derived free radicals is one of the main pathophysiological mechanisms linking hyperglycemia to atherosclerosis, nephropathy, and cardiomyopathy. The adaptor protein p66 Shc is implicated in mitochondrial reactive oxygen species (ROS) generation and translation of oxidative signals into apoptosis. Indeed, p66 Shc-/- mice display prolonged lifespan, reduced production of intracellular oxidants, and increased resistance to oxidative stress-induced apoptosis. Accordingly, a series of studies defined the pathophysiological role of p66Shc in cardiovascular disease where ROS represent a substantial triggering component. As p66Shc modulates the production of cellular ROS, it represents a proximal node through which high glucose exerts its deleterious effects on different cell types; indeed, several studies tested the hypothesis that deletion of the p66Shc gene may confer protection against diabetes-related cardiovascular complications. The present review focuses on the reported evidence linking p66Shc signaling pathway to high glucose-associated endothelial dysfunction, atherogenesis, nephropathy, and cardiomyopathy.

Original languageEnglish
Pages (from-to)885-891
Number of pages7
JournalJournal of Molecular Medicine
Volume87
Issue number9
DOIs
Publication statusPublished - Sep 2009

Fingerprint

Diabetes Complications
Reactive Oxygen Species
Oxidative Stress
Cardiomyopathies
Glucose
Shc Signaling Adaptor Proteins
Atherosclerosis
Cardiovascular Diseases
Apoptosis
Proteins
Gene Deletion
Oxidants
Hyperglycemia
Free Radicals
Coronary Artery Disease
Oxygen
Mortality
Incidence

Keywords

  • Cardiovascular disease
  • Diabetes
  • Oxidative stress
  • p66

ASJC Scopus subject areas

  • Molecular Medicine
  • Drug Discovery
  • Genetics(clinical)

Cite this

p66Shc protein, oxidative stress, and cardiovascular complications of diabetes : The missing link. / Francia, Pietro; Cosentino, Francesco; Schiavoni, Marzia; Huang, Yale; Perna, Enrico; Camici, Giovani G.; Lüscher, Thomas F.; Volpe, Massimo.

In: Journal of Molecular Medicine, Vol. 87, No. 9, 09.2009, p. 885-891.

Research output: Contribution to journalArticle

Francia, P, Cosentino, F, Schiavoni, M, Huang, Y, Perna, E, Camici, GG, Lüscher, TF & Volpe, M 2009, 'p66Shc protein, oxidative stress, and cardiovascular complications of diabetes: The missing link', Journal of Molecular Medicine, vol. 87, no. 9, pp. 885-891. https://doi.org/10.1007/s00109-009-0499-3
Francia, Pietro ; Cosentino, Francesco ; Schiavoni, Marzia ; Huang, Yale ; Perna, Enrico ; Camici, Giovani G. ; Lüscher, Thomas F. ; Volpe, Massimo. / p66Shc protein, oxidative stress, and cardiovascular complications of diabetes : The missing link. In: Journal of Molecular Medicine. 2009 ; Vol. 87, No. 9. pp. 885-891.
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