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Soluble Receptor for Advanced Glycation End Products: From Disease Marker to Potential Therapeutic Target

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Abstract:

The receptor for advanced glycation end products (RAGE) is a cell-bound receptor of the immunoglobulin superfamily which may be activated by a variety of proinflammatory ligands including advanced glycoxidation end products, S100/calgranulins, high mobility group box 1, and amyloid β-peptide. RAGE has a secretory splice isoform, soluble RAGE (sRAGE), that lacks the transmembrane domain and therefore circulates in plasma. By competing with cell-surface RAGE for ligand binding, sRAGE may contribute to the removal/neutralization of circulating ligands thus functioning as a decoy. Clinical studies have recently shown that higher plasma levels of sRAGE are associated with a reduced risk of coronary artery disease, hypertension, the metabolic syndrome, arthritis and Alzheimer's disease. Increasing the production of plasma sRAGE is therefore considered to be a promising therapeutic target that has the potential to prevent vascular damage and neurodegeneration. This review presents the state of the art in the use of sRAGE as a disease marker and discusses the therapeutic potential of targeting sRAGE for the treatment of inflammationrelated diseases such as atherosclerosis, arthritis and Alzheimer's disease.

Keywords: Alzheimer's disease; arthritis; atherosclerosis; biomarker; hypertension; inflammation; metabolic syndrome; neurodegeneration; receptor for advanced glycation end products

Document Type: Research Article

DOI: http://dx.doi.org/10.2174/092986706777585013

Affiliations: Department of Internal Medicine and Medical Therapeutics, IRCCS San Matteo Hospital, Malattie Vascolari e Metaboliche, University of Pavia, Piazzale Golgi 2, 27100 Pavia, Italy.

Publication date: July 1, 2006

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  • Current Medicinal Chemistry covers all the latest and outstanding developments in medicinal chemistry and rational drug design. Each issue contains a series of timely in-depth reviews written by leaders in the field covering a range of the current topics in medicinal chemistry. Current Medicinal Chemistry is an essential journal for every medicinal chemist who wishes to be kept informed and up-to-date with the latest and most important developments.
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