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RAGE: a new pleiotropic antagonistic gene?
A Simm1, B Bartling, R-E Silber
1Department of Cardio-Thoracic Surgery, University of Halle-Wittenberg, Ernst-Grube Str. 40, D-06120 Halle, Germany. andreas.simm@medizin.uni-halle.de
Annals of the New York Academy of Sciences
|July 13, 2004
Summary
Advanced glycation end products (AGEs) accumulate with aging, causing cellular damage and disease. Targeting AGEs and their receptor RAGE may offer therapeutic strategies for age-related conditions.
Area of Science:
- Biochemistry
- Cellular Biology
- Pathology
Background:
- Advanced glycation end products (AGEs) form via the Maillard reaction between sugars and proteins.
- AGEs accumulate during aging, contributing to tissue damage through cross-linking and oxidative stress.
- AGEs binding to receptors like RAGE triggers cytokine release, implicated in degenerative diseases.
Purpose of the Study:
- To investigate the physiological role of the receptor for AGEs (RAGE).
- To explore the expression of RAGE in lung tissue and lung tumors.
Main Methods:
- The study focuses on the biochemical pathways involving AGEs and RAGE.
- Investigative approaches include examining AGE accumulation and RAGE expression.
Main Results:
- AGEs are linked to protein cross-links, oxidative stress, and cytokine release (TGF-beta, TNF-alpha, IL-6).
- AGE inhibitors (aminoguanidine, ALT-711) show potential in mitigating age-related conditions like heart hypertrophy and arterial stiffness.
- The role of RAGE in physiological processes, particularly in the lung, requires further investigation.
Conclusions:
- AGEs play a significant role in aging and degenerative diseases.
- RAGE is a key receptor mediating AGEs' effects.
- Further research into RAGE expression in lung tissue and tumors is warranted to elucidate its physiological role.