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Maternal gut microbiota in pregnancy dictates offspring metabolic phenotype

Citation

Kimura, Ikuo et al. (2020), Maternal gut microbiota in pregnancy dictates offspring metabolic phenotype, Dryad, Dataset, https://doi.org/10.5061/dryad.5hqbzkh29

Abstract

Antibiotics and dietary habits can affect the gut microbial community, influencing disease susceptibility. Although the influence of microbiota on the postnatal environment has been well documented, much less is known regarding the impact of gut microbiota at the embryonic stage. Here, we show that maternal microbiota shapes the metabolic system of offspring. During pregnancy, short-chain fatty acids produced by the maternal microbiota dictate the differentiation of neural, intestinal, and pancreatic cells through embryonic GPR41 and GPR43. This developmental process helps maintain postnatal energy homeostasis, as evidenced by the fact that offspring from germ-free mothers are highly susceptible to metabolic syndrome, even when grown under conventional conditions. Thus, our findings uncovered a missing link between the maternal gut environment and the developmental origin of metabolic syndrome.