Relation of Osteoprotegerin, Visfatin and Ghrelin to Metabolic Syndrome in Type 2 Diabetic Patients
Abstract
Background: It is now realized that insulin resistance plays a principal role in initiating the pathologic manifestations of the metabolic syndrome (MetS).
Objectives: The aim of this study was to assess the possible role of osteoprotegerin, visfatin and ghrelin in the pathogenesis of MetS among type2 diabetes mellitus (T2DM).
Design and methods: Serum blood samples were obtained from 116 subjects (39 T2DM; 48 T2DM with MetS; 29 healthy controls). Glycemic status and lipid profile were assessed by enzymatic method.  Osteoprotegerin, visfatin, ghrelin and insulin were measured by ELISA method.
Results: Osteoprotegerin and visfatin were significantly higher, while ghrelin was significantly lower in diabetic patients compared to healthy control group (p<0.05). Moreover, Osteoprotegerin and visfatin showed significant higher levels in T2DM patientswith MetS than thosewithout MetS (p<0.05). The best cut-off values for the investigated markers were determined by ROC curve.Osteoprotegerin (1.06 ng/mL), visfatin (32.27 ng/mL) and ghrelin (33.65 pg/mL) presented sensitivity of76%, 92% and 39.1%; respectively and specificity of41%, 69.2% and 62.9%; respectively, in predicting MetS among T2DM.Among the investigated parameters, Visfatin was the one which predicts MetS among diabetic patients [AUC=0.88, p<0.05].
Conclusion: Osteoprotegerin, visfatin and ghrelin might beimplicated in the pathogenesis of diabetes. Moreover, osteoprotegerin and visfatin may have additional potential role in the development of the metabolic syndrome. Visfatin was superior among studied parameters in predicting MetS among T2DM.
Keywords: Osteoprotegerin, Visfatin, Ghrelin, Diabetes, Insulin Resistance, Type2 diabetes mellitus and Metabolic Syndrome
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