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- W2786504875 endingPage "3470" @default.
- W2786504875 startingPage "3457" @default.
- W2786504875 abstract "Maternal diet during lactation affects offspring metabolic health throughout life. Prolactin (PRL) is present in high quantities in maternal milk; however, the effects of milk PRL on the offspring remain poorly characterized. In this study, we evaluated whether feeding a high-fat diet (HFD) to rats during lactation alters PRL, both in the mother's serum and in milk, and whether this factor contributes to HFD-induced metabolic dysfunction in the offspring. Maternal HFD resulted in decreased PRL levels in milk (but not in serum), reduced mammary gland (MG) PRL receptor expression, and altered MG structure and function. Offspring from HFD-fed dams had increased body weight and adiposity, and developed fatty liver, hyperinsulinemia, and insulin resistance at weaning. Increasing PRL levels in the HFD-fed mothers by subcutaneous osmotic minipumps releasing PRL normalized MG function and PRL levels in milk. Moreover, PRL treatment in HFD-fed mothers, or directly in their pups via oral PRL administration, increased liver STAT5 phosphorylation, reduced visceral adiposity, ameliorated fatty liver, and improved insulin sensitivity in offspring. Our results show that HFD impairs PRL actions during lactation to negatively affect MG physiology and directly impair offspring metabolism.—De los Rios, E. A., Ruiz-Herrera, X., Tinoco-Pantoja, V., Lopez-Barrera, F., Martinez de la Escalera, G., Clapp, C., Macotela, Y. Impaired prolactin actions mediate altered offspring metabolism induced by maternal high-fat feeding during lactation. FASEB J. 32, 3457–3470 (2018). www.fasebj.org" @default.
- W2786504875 created "2018-02-23" @default.
- W2786504875 creator A5001514418 @default.
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- W2786504875 creator A5049686570 @default.
- W2786504875 creator A5075962283 @default.
- W2786504875 date "2018-01-31" @default.
- W2786504875 modified "2023-10-18" @default.
- W2786504875 title "Impaired prolactin actions mediate altered offspring metabolism induced by maternal high‐fat feeding during lactation" @default.
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- W2786504875 doi "https://doi.org/10.1096/fj.201701154r" @default.