1) Cell type- and nephron segment-specific susceptibility: The kidney is a highly heterogeneous organ, with distinct nephron segments [PT, distal tubule (DT), collecting duct (CD)] and cell types (podocytes, mesangial cells, interstitial fibroblasts, and endothelial cells) exhibiting divergent ferroptosis susceptibility
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Understanding why requires appreciating how weight loss itself affects thyroid function: Weight loss reduces leptin levels , which can decrease TRH (thyrotropin-releasing hormone) secretion from the hypothalamus, potentially lowering TSH Improved insulin sensitivity may alter thyroid hormone metabolism and conversion of T4 to T3 Reduced inflammation from fat loss can change the thyroid hormonal milieu Changes in body composition affect thyroid hormone distribution and binding A retrospective study of over 21,000 patients found that hypothyroid individuals using semaglutide experienced modest TSH decreases alongside weight loss
But doctors noticed something interesting in the early users of GLP-1 receptor agonists: not only did their diabetic symptoms reverse, but they were also losing weight
Glutathione is present mostly in reduced form (GSH) in the cell