Endocrinologie et syndrome métabolique
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Leptin, Insulin and Lipid Profiles in Obese Subjects with and without Metabolic Syndrome in the Region of Cap-Bon: Tunisia

Gannar Fadoua, Cabrera de León A, Marzougui Ferid, Sakly Mohsen and Attia Nebil

Aims: To evaluate the effect of obesity associated or not with Metabolic Syndrome (MS) on leptinemia, insulinemia and lipid profile in subjects from the region of Cap-Bon in northeastern Tunisia. Methods: Ninety seven individuals were included in this study. Anthropometric parameters (Body Mass Index (BMI), Waist Circumference (WC) and Hip Circumference (HC), metabolic parameters (Total Cholesterol (TC), LDL-C, HDL-C, Non-Esterified Fatty Acids (NEFA), Triglycerides (TG), CË—Reactive Protein (CRP), glucose) and hormones (insulin and leptin) were determined. Insulin resistance was estimated by Homeostasis Model Assessment of Insulin Resistance (HOMA-IR). Metabolic syndrome was identified with the International Diabetes Federation (IDF) criteria. Results: Obese patients with and without MS, Ob-MS and Ob groups, have significantly increased plasma levels of glucose, TG, TC, LDL-C and decreased HDL-C. In obese subjects Ob and Ob-MS, plasma levels of insulin and the HOMA-IR index were increased especially when obesity is associated with MS, conversely to leptin which decreases slightly in the presence of MS. Leptinemia was positively correlated with BMI in the whole population. But, we did not find any correlation between leptinemia and HOMA-IR. In controls, plasma leptin concentrations were positively correlated to LDL-C (p