OBJECTIVE: Receptor for advanced glycation end-products (RAGE) is involved in diabetic vascular complications. We have recently shown that plasma endogenously secretory RAGE (esRAGE), an alternatively spliced form of RAGE, is closely associated with metabolic syndrome and atherosclerosis. Here, we evaluated if plasma esRAGE is a predictor of cardiovascular mortality in a cohort of 206 (171 nondiabetic) patients with end-stage renal diseases (ESRD). METHODS AND RESULTS: The cohort was followed for a median of 111 months, and 74 deaths including 34 cardiovascular deaths were recorded. Plasma esRAGE was measured at baseline. Cumulative incidence of cardiovascular death by Kaplan-Meier estimation was significantly higher in subjects in the lowest tertile of plasma esRAGE than those in the middle or the highest tertile both in all and nondiabetic subjects alone. In all subjects, as compared with the lowest tertile of plasma esRAGE, the hazards ratios for the highest and middle tertile were 0.40 (95% CI, 0.18 to 0.89) and 0.26 (0.10 to 0.66), respectively. The higher risk for lower esRAGE was still significant even after adjusted either with body mass index, hypertension, dyslipidemia and vascular complications, but was confounded by age and diabetes. CONCLUSIONS: Low circulating esRAGE is a predictor for cardiovascular mortality in ESRD patients.
OBJECTIVE:Receptor for advanced glycation end-products (RAGE) is involved in diabetic vascular complications. We have recently shown that plasma endogenously secretory RAGE (esRAGE), an alternatively spliced form of RAGE, is closely associated with metabolic syndrome and atherosclerosis. Here, we evaluated if plasma esRAGE is a predictor of cardiovascular mortality in a cohort of 206 (171 nondiabetic) patients with end-stage renal diseases (ESRD). METHODS AND RESULTS: The cohort was followed for a median of 111 months, and 74 deaths including 34 cardiovascular deaths were recorded. Plasma esRAGE was measured at baseline. Cumulative incidence of cardiovascular death by Kaplan-Meier estimation was significantly higher in subjects in the lowest tertile of plasma esRAGE than those in the middle or the highest tertile both in all and nondiabetic subjects alone. In all subjects, as compared with the lowest tertile of plasma esRAGE, the hazards ratios for the highest and middle tertile were 0.40 (95% CI, 0.18 to 0.89) and 0.26 (0.10 to 0.66), respectively. The higher risk for lower esRAGE was still significant even after adjusted either with body mass index, hypertension, dyslipidemia and vascular complications, but was confounded by age and diabetes. CONCLUSIONS: Low circulating esRAGE is a predictor for cardiovascular mortality in ESRDpatients.
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