Impact of Obesity and Insulin Resistance on Diabetic Kidney Disease Progression
Main Article Content
Keywords
Diabetic kidney disease; Type 2 diabetes mellitus; Insulin resistance; Obesity; Glomerular filtration rate; Chronic kidney disease
Abstract
One of the primary microvascular outcomes of Type 2 Diabetes is Diabetic Kidney Disease (DKD), and it causes a significant burden on the global health care system along with the increasing prevalence of insulin resistance and obesity. Epidemiological investigation found that about one-third of people who have T2DM can acquire chronic kidney disease, with insulin sensitivity and obesity acting as key drivers of kidney injury. Obesity is related to lipotoxicity, low-grade inflammation, adipokine dysregulation, and oxidative stress, while impaired insulin sensitivity leads to renal hemodynamics, progressive glomerular injury, and hyperinsulinemia. These pathways together promote glomerular hyperfiltration, albuminuria, and ultimately a decrease in glomerular filtration rate (GFR). Several studies indicate that RAAS blockade, SGLT2 inhibitors, and weight loss can reduce Diabetic Kidney Disease progression, yet persistent risk remains. The existing research gaps have a limited pathophysiological understanding, a shortage of understanding of renal ectopic fat deposition, and insufficient stratification of patients by impaired insulin sensitivity phenotypes and obesity. To develop targeted interventions, it is essential to address the gaps through clinical research and comprehensive mechanisms. The evaluation of the collaborative impact of impaired insulin sensitivity and obesity in the advancement of diabetic kidney disease is the aim of this study. In addition, rapid diagnosis and targeted treatments are the most important goals for lowering cardiovascular and renal complications.
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