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Twelve Weeks of Oral L-Serine Supplementation Improves Glucose Tolerance, Reduces Visceral Fat Pads, and Reverses the mRNA Overexpression of Renal Injury Markers KIM-1, IL-6, and TNF-α in a Mouse Model of Obesity
Journal article   Open access   Peer reviewed

Twelve Weeks of Oral L-Serine Supplementation Improves Glucose Tolerance, Reduces Visceral Fat Pads, and Reverses the mRNA Overexpression of Renal Injury Markers KIM-1, IL-6, and TNF-α in a Mouse Model of Obesity

Duyen Tran, Muhammad Ishaq, Cheng Yang, Tauseef Ahmad, Maurizio Ronci, Mariachiara Zuccarini, Stephen Myers, Courtney McGowan, Rajaraman Eri, Darren C. Henstridge, …
Nutraceuticals, Vol.3(2), pp.262-273
24/05/2023
DOI: https://doi.org/10.3390/nutraceuticals3020021
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Abstract

L-serine obesity glucose homeostasis weight loss KIM-1 TNF-α IL-6 kidney
Comorbidities associated with obesity, including diabetes and kidney diseases, greatly increase mortality rates and healthcare costs in obese patients. Studies in animal models and clinical trials have demonstrated that L-serine supplementation is a safe and effective therapeutic approach that ameliorates the consequences of obesity. However, little is known about the effects of L-Serine supplementation following high-fat diet (HFD) consumption and its role in the mRNA expression of markers of kidney injury. We provide a descriptive action by which L-serine administration ameliorated the consequences of HFD consumption in relation to weight loss, glucose homeostasis as well as renal mRNA expression of markers of kidney injury. Our results indicated that L-Serine supplementation in drinking water (1%, ad libitum for 12 weeks) in male C57BL/6J mice promoted a significant reduction in body weight, visceral adipose mass (epididymal and retroperitoneal fat pads) as well as blood glucose levels in mice consuming a HFD. In addition, the amino acid significantly reduced the mRNA expression of the Kidney Injury Marker 1 (KIM-1), P2Y purinoceptor 1 (P2RY1), as well as pro-inflammatory cytokines (IL-6 and TNFα). L-serine administration had no effect on mice consuming a standard chow diet. Collectively, our findings suggest that L-serine is an effective compound for long-term use in animal models and that it ameliorates the metabolic consequences of HFD consumption and reduces the elevated levels of renal pro-inflammatory cytokines occurring in obesity.

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