Obesity Clinical Trial
Official title:
Role of Autophagy and Inflammasome in the Pathophysiology of Obesity: Effect of Weight Loss and Potential Therapeutic Implications
The main aim of this project is to determine the implication of autophagy and inflammasome in the pathogenesis of obesity and related comorbidities, and to explore in depth the mechanisms associated with the activation of immune cells leading early stages of the atherosclerotic process and metabolic disease. The hypothesis of the present study is that weight loss mediated by Roux-en-Y gastric bypass (RYGB) improves the protein expression of markers of autophagy and inflammation within immune cells. Moreover, the investigators will explore the association of these mechanisms with the mitochondrial function and dynamics, Endoplasmic Reticulum (ER) stress an intracellular nutritional status of leukocytes (measured by fluorescence microscopy and western blot). Further, the potential relationship between changes in the mentioned intracellular pathways and systemic pathological mechanisms including oxidative stress, inflammation and glucose and lipid metabolism will be explored. Hence, serum carbonylated proteins, myeloperoxidase (MPO) levels, antioxidant enzymatic activities including SOD (Superoxide dismutase) and catalase, circulating cytokines, and glucose and lipid metabolism parameters will be evaluated in a cohort of obese subjects before and 12 months after RYGB intervention.
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