WFRF:(Crump J.)
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FFA2 Contribution to Gestational Glucose Tolerance Is Not Disrupted by Antibiotics
- Fuller, M. (författare)
- Li, X. R. (författare)
- Fisch, R. (författare)
- visa fler...
- Bughara, M. (författare)
- Wicksteed, B. (författare)
- Layden, B. T. (författare)
- visa färre...
- (creator_code:org_t)
- 2016-12-13
- 2016
- Engelska.
- Ingår i: Plos One. - : Public Library of Science (PLoS). - 1932-6203. ; 11:12
- Tidskriftsartikel (refereegranskat)
Abstract
Ämnesord
Stäng
- During the insulin resistant phase of pregnancy, the mRNA expression of free fatty acid 2 receptor (Ffar2) is upregulated and as we recently reported, this receptor contributes to insulin secretion and pancreatic beta cell mass expansion in order to maintain normal glucose homeostasis during pregnancy. As impaired gestational glucose levels can affect metabolic health of offspring, we aimed to explore the role of maternal Ffar2 expression during pregnancy on the metabolic health of offspring and also the effects of antibiotics, which have been shown to disrupt gut microbiota fermentative activity (the source of the FFA2 ligands) on gestational glucose homeostasis. We found that maternal Ffar2 expression and impaired glucose tolerance during pregnancy had no effect on the growth rates, ad lib glucose and glucose tolerance in the offspring between 3 and 6 weeks of age. To disrupt short chain fatty acid production, we chronically treated WT mice and Ffar2(-/-) mice with broad range antibiotics and further compared their glucose tolerance prior to pregnancy and at gestational day 15, and also quantified cecum and plasma SCFAs. We found that during pregnancy antibiotic treatment reduced the levels of SCFAs in the cecum of the mice, but resulted in elevated levels of plasma SCFAs and altered concentrations of individual SCFAs. Along with these changes, gestational glucose tolerance in WT mice, but not Ffar2(-/-) mice improved while on antibiotics. Additional data showed that gestational glucose tolerance worsened in Ffar2(-/-) mice during a second pregnancy. Together, these results indicate that antibiotic treatment alone is inadequate to deplete plasma SCFA concentrations, and that modulation of gut microbiota by antibiotics does not disrupt the contribution of FFA2 to gestational glucose tolerance.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Endokrinologi och diabetes (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Endocrinology and Diabetes (hsv//eng)
Nyckelord
- PANCREATIC BETA-CELLS
- HUMAN GUT MICROBIOTA
- FATTY-ACID RECEPTOR
- ANTIMICROBIAL DEFENSE
- INSULIN-RESISTANCE
- DIABETES-MELLITUS
- GPR43
- INTESTINE
- HOST
- MICE
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- art (ämneskategori)
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- Fuller, M.
- Li, X. R.
- Fisch, R.
- Bughara, M.
- Wicksteed, B.
- Kovatcheva-Datch ...
- visa fler...
- Layden, B. T.
- visa färre...
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