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Breastfeeding enhances intestinal gluconeogenesis in infants

Ni, D.; Tan, J.; Macia, L.; Nanan, R.

2023-11-15 physiology
10.1101/2023.11.12.566732 bioRxiv
Show abstract

ObjectivesBreastfeeding confers metabolic benefits to the infants, including reducing risks for metabolic syndromes such as obesity and diabetes later in life, but the underlying mechanisms is not yet fully understood. Hence, we aim to investigate the impacts of breastfeeding on the metabolic organs of infants. MethodsPrevious literatures directly studying the influences of breastfeeding on offsprings metabolic organs were comprehensively reviewed. A microarray dataset of intestinal gene expression comparing infants fed on breastmilk versus formula milk was reanalyzed. ResultsReanalysis of microarray data showed that breastfeeding significantly enhanced gluconeogenesis in infants intestine. This resembled observations in other mammalian species where breastfeeding also promoted gluconeogenesis. ConclusionsBreastfeeding enhances intestinal gluconeogenesis in infants, which may underlie its metabolic advantages through finetuning the metabolic homeostasis. Such effect seems to be conserved across species, hinting its biological significance.

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