Direct and maternal n-3 long-chain polyunsaturated fatty acid supplementation improved triglyceridemia and glycemia through the regulation of hepatic and muscle sphingolipid synthesis in offspring hamsters fed a high-fat diet

European Journal of Nutrition
Fatima Kasbi-ChadliKhadija Ouguerram

Abstract

We recently reported that direct and maternal supplementation with n-3 long-chain polyunsaturated fatty acids (n-3 LC-PUFA) alleviates the metabolic disturbances in adult hamster pups fed with a high-fat diet (HFD). In this study, we hypothesized that these results involved a perinatal modulating effect of sphingolipids by n-3 LC-PUFA. We studied the effect of direct and maternal n-3 LC-PUFA supplementation on sphingolipid contents in liver and muscle, hepatic triglycerides (TG) secretion and glucose tolerance. Offspring male hamsters born from supplemented (Cω) or unsupplemented (C) mothers were subjected after weaning to a HFD during 16 weeks, without (Cω-HF or C-HF) or with direct supplementation with n-3 LC-PUFA (C-HFω). Direct supplementation decreased sphingosine, sphinganine and ceramides in liver and decreased sphingosine, sphinganine, sphingosine-1-phosphate (S1P) and ceramides in muscle in C-HFω compared to C-HF (p < 0.05). Maternal supplementation decreased C20 ceramide and lactosylceramide in liver and sphinganine, S1P and lactosylceramide in muscle (p < 0.05). This supplementation tended to decrease glucosylceramide in liver (p < 0.06) and muscle (p < 0.07) in Cω-HF compared to C-HF. Direct supplementation increase...Continue Reading

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Citations

Jul 2, 2019·NeoReviews·Mandy Brown Belfort, Sara E Ramel
Aug 18, 2020·The Journal of Clinical Endocrinology and Metabolism·Véronique Ferchaud-RoucherKhadija Ouguerram
Aug 15, 2020·The British Journal of Nutrition·Chelsey WalchukMiyoung Suh

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