The Role of AGEs and AGE Inhibitors in Diabetic Cardiovascular Disease

Author(s): M. C. Thomas, J. W. Baynes, S. R. Thorpe, M. E. Cooper.

Journal Name: Current Drug Targets

Volume 6 , Issue 4 , 2005

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Abstract:

Prolonged hyperglycemia, dyslipidemia and oxidative stress in diabetes result in the production and accumulation of AGEs. It is now clear that AGEs contribute to the development and progression of cardiovascular disease in diabetes, as well as other complications. AGEs are thought to act through receptor-independent and dependent mechanisms to promote vascular damage, fibrosis and inflammation associated with accelerated atherogenesis. As a result, novel therapeutic agents to reduce the accumulation of AGEs in diabetes have gained interest as potential cardioprotective approaches. A variety of agents have been developed which are examined in detail in this review. These include aminoguanidine, ALT-946, pyridoxamine, benfotiamine, OPB-9195, alagebrium chloride, N-phenacylthiazolium bromide and LR-90. In addition, it has been demonstrated that a number of established therapies have the ability to reduce the accumulation of AGEs in diabetes including ACE inhibitors, angiotensin receptor antagonists, metformin, peroxisome proliferators receptor agonists, metal chelators and some antioxidants. The fact that many of these inhibitors of AGEs are effective in experimental models, despite their disparate mechanisms of action, supports the keystone role of AGEs in diabetic vascular damage. Nonetheless, the clinical utility of AGE inhibition remains to be firmly established. Optimal metabolic and blood pressure control, that is achieved early and sustained indefinitely, remains the best recourse for inhibition of AGEs until more specific interventions become a clinical reality.

Keywords: advanced glycation end products (ages), atherosclerosis, alagebrium, cardiovascular disease, diabetes, dyslipidemia, receptor for ages (rage)

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Article Details

VOLUME: 6
ISSUE: 4
Year: 2005
Page: [453 - 474]
Pages: 22
DOI: 10.2174/1389450054021873
Price: $58

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