Abstract
Metabolic programming by dietary chemicals consumed in early life stages is receiving increasing attention. We here studied long-term effects of mild resveratrol (RSV) supplementation during lactation on muscular and hepatic lipid metabolism in adulthood. Newborn male mice received RSV or vehicle from day 2–20 of age, were weaned onto a chow diet on day 21, and were assigned to either a high-fat diet (HFD) or a normal-fat diet on day 90 of age for 10 weeks. RSV-treated mice showed in adulthood protection against HFD-induced triacylglycerol accumulation in skeletal muscle, enhanced muscular capacities for fat oxidation and mitochondria activity, signs of enhanced sirtuin 1 and AMP-dependent protein kinase signaling in muscle, and increased fat oxidation capacities and a decreased capacity for lipogenesis in liver compared with controls. Thus, RSV supplementation in early postnatal life may help preventing later diet-related disorders linked to ectopic lipid accumulation in muscle and liver tissues.
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