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Circ Res. 2010 Mar 19;106(5):842-53. doi: 10.1161/CIRCRESAHA.109.212217.

The RAGE axis: a fundamental mechanism signaling danger to the vulnerable vasculature.

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1
Division of Surgical Science, Department of Surgery, Columbia University, 630 W 168th St, P&S 17-401, New York, NY 10032, USA.

Erratum in

  • Circ Res. 2010 Apr 30;106(8):e6.

Abstract

The immunoglobulin superfamily molecule RAGE (receptor for advanced glycation end product) transduces the effects of multiple ligands, including AGEs (advanced glycation end products), advanced oxidation protein products, S100/calgranulins, high-mobility group box-1, amyloid-beta peptide, and beta-sheet fibrils. In diabetes, hyperglycemia likely stimulates the initial burst of production of ligands that interact with RAGE and activate signaling mechanisms. Consequently, increased generation of proinflammatory and prothrombotic molecules and reactive oxygen species trigger further cycles of oxidative stress via RAGE, thus setting the stage for augmented damage to diabetic tissues in the face of further insults. Many of the ligand families of RAGE have been identified in atherosclerotic plaques and in the infarcted heart. Together with increased expression of RAGE in diabetic settings, we propose that release and accumulation of RAGE ligands contribute to exaggerated cellular damage. Stopping the vicious cycle of AGE-RAGE and RAGE axis signaling in the vulnerable heart and great vessels may be essential in controlling and preventing the consequences of diabetes.

PMID:
20299674
PMCID:
PMC2862596
DOI:
10.1161/CIRCRESAHA.109.212217
[Indexed for MEDLINE]
Free PMC Article
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