It is still controversial whether circulating soluble form of receptor for AGE (sRAGE) is associated with atherosclerosis in diabetic patients. In this study, we enrolled 276 Japanese type 2 diabetic subjects without history of cardiovascular disease (CVD), assessed their baseline clinical and biochemical data including serum sRAGE levels, and prospectively evaluated the association between these parameters and CVD events. The median follow-up period was 5.6 years and there were 25 new CVD events. The tertile analysis showed that the risk for CVD events was higher as serum sRAGE levels were increased (p for trend = 0.046). A multivariate Cox proportional hazards regression analysis revealed that serum sRAGE levels were independently associated with CVD (HR per 1SD = 1.59, 95% CI 1.04-2.45, p = 0.034), even after adjusting for conventional coronary risk factors. In summary, elevated sRAGE levels were associated with the increased risk of CVD in Japanese type 2 diabetic subjects.
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