Popis: |
(EN) Obesity and type 2 diabetes mellitus (T2DM) are among metabolic disease with increasing incidence and prevalence. Last decade has been devoted to intensive research focused on pathophysiological mechanisms underlying development of these diseases. Besides environmental factors, lifestyle and amount and composition of food, adipose tissue is a key player in the pathogenesis of obesity and its metabolic complications including insulin resistance (IR) and T2DM. Primary aim of our work was to evaluate the role of recently discovered adipokine omentin and the role of mitochondrial dysfunction in subcutaneous adipose tissue (SCAT) and in peripheral monocytes (PM) in patients with obesity and T2DM with respect to the development of insulin resistance and diabetes. A total number of 118 subjects enrolled in the study were divided into three groups: patients with obesity and T2DM (T2DM group), obese non-diabetics (OB) and healthy lean subjects as a control group (KO). Study subjects underwent several types of interventions - 2 to 3 weeks of very-low calorie diet (VLCD, energy intake 600 kcal per day), regular physical activity program or bariatric surgery (laparoscopic sleeve gastrectomy, LSG). Results indicate that low serum omentin concentrations may contribute to development of obesity-associated... |