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Isolation of Intermediate Filament Proteins from Multiple Mouse Tissues to Study Aging-associated Post-translational Modifications
09:29

Isolation of Intermediate Filament Proteins from Multiple Mouse Tissues to Study Aging-associated Post-translational Modifications

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[Advanced glycosylation end products (AGE): new toxins?]

E Boulanger1, Ph Dequiedt, J L Wautier

  • 1Laboratoire de recherche en biologie vasculaire et cellulaire, INTS, Paris. eboulanger@ints.fr

Nephrologie
|December 26, 2002
PubMed

Insights

Advanced glycation end-products (AGEs) accumulate in diabetes, uremia, and aging, contributing to cellular dysfunction and vascular complications. Managing AGEs through glycemic control and transplantation is key to preventing their harmful effects.

Area of Science:

  • Biochemistry
  • Pathophysiology
  • Endocrinology

Background:

  • Advanced glycation end-products (AGEs) accumulate in conditions like diabetes mellitus, uremia, and aging.
  • AGEs are formed through non-enzymatic glycation, glycoxidation, and the polyol pathway.
  • Tissue accumulation and receptor binding of AGEs contribute to cellular dysfunction and disease pathogenesis.

Purpose of the Study:

  • To review the role of AGEs in pathological conditions.
  • To discuss the mechanisms of AGE formation and accumulation.
  • To evaluate current and potential therapeutic strategies for managing AGEs.

Main Methods:

  • Literature review of AGEs' role in diabetes, uremia, and aging.
  • Analysis of AGEs' impact on cellular functions and vascular complications.
  • Evaluation of therapeutic interventions, including dialysis, transplantation, and pharmacologic approaches.

Main Results:

  • AGE accumulation is linked to endothelial, macrophage, mesangial, and mesothelial cell dysfunction.
  • AGEs are implicated in the development of diabetic micro- and macro-angiopathy.
  • While dialysis can reduce AGE levels, kidney transplantation is most effective in restoring homeostasis; strict glycemic control remains crucial for prevention.

Conclusions:

  • AGEs play a significant role in the deleterious consequences of diabetes, uremia, and aging.
  • Effective management strategies include reducing AGE formation and enhancing their clearance.
  • Prevention through strict glycemic control is the most effective long-term strategy against AGE-related complications.

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