Abstract
ObjectivesThe data regarding circulating levels of markers of platelet activation and endothelial function in people with prediabetes are scant. The aim of the present study was to search blood levels of soluble CD40 ligand (sCD40L), soluble P-selectin (sP-sel) and von Willebrand Factor (vWF) in subjects with prediabetes, along with the effects of the metabolic syndrome (MetS) on these markers. Design and methodsA total of 77 prediabetic individuals and 81 age, sex and body mass index matched healthy subjects with normal glucose tolerance (NGT) were prospectively analyzed. Anthropometric parameters, fasting plasma glucose, blood d lipid profiles and insulin resistance indexes were determined. Plasma sCD40L, sP-sel and vWF levels were measured by ELISA. ResultssCD40L, sP-sel and vWF levels in the prediabetic group were similar to those in the controls. However, prediabetic subjects with the MetS had significantly higher level of sCD40L compared to those without MetS. Moreover, sCD40L level correlated significantly with waist circumference, systolic blood pressure and HDL-cholesterol level in the patient group. ConclusionThese data imply that MetS may contribute, at least in part, to the mechanism of platelet activation and endothelial dysfunction in people with prediabetes.
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