Advanced glycation: implications in tissue damage and disease.
Anna Gasser1, Josephine M Forbes
1JDRF Albert Einstein Centre for Diabetes Complications, Baker Heart Research Institute, Melbourne, Australia. Anna.Gassser@baker.edu.au
Protein and Peptide Letters
|May 14, 2008
Summary
Advanced glycation end products (AGEs) form from sugar reactions and accumulate with aging. Their acceleration in conditions like diabetes causes tissue damage and microvascular complications, highlighting the need for interventions.
Area of Science:
- Biochemistry
- Cell Biology
- Pathology
Background:
- Advanced glycation end products (AGEs) result from non-enzymatic reactions between sugars and proteins, lipoproteins, or nucleic acids.
- AGE accumulation on long-lived proteins is linked to normal aging processes.
- Hyperglycemia, prevalent in conditions like diabetes, accelerates AGE formation.
Purpose of the Study:
- To elucidate the role of AGEs in normal aging and pathological conditions.
- To understand the mechanisms by which AGEs alter protein function and cellular processes.
- To highlight the relevance of AGEs in diabetic microvascular complications and the need for interventions.
Main Methods:
- The study focuses on the biochemical formation and accumulation of AGEs.
- It examines the impact of AGE modification on protein function and cellular interactions.
- The research explores the signaling pathways and inflammatory responses triggered by AGEs.
Main Results:
- AGEs accumulate on long-lived proteins, contributing to aging.
- Accelerated AGE formation occurs in pathological states like diabetes.
- AGE modification disrupts normal protein function through cellular and receptor binding.
- AGEs activate signaling pathways, leading to inflammation and tissue damage.
Conclusions:
- AGE accumulation is implicated in both normal aging and disease pathogenesis.
- AGEs contribute to tissue damage and microvascular complications, particularly in diabetes.
- Reducing AGE accumulation is a desirable therapeutic strategy for diabetic complications.
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