High fructose consumption in pregnancy alters the perinatal environment without increasing metabolic disease in the offspring

  • Lineker C
  • Kerr P
  • Nguyen P
 et al. 
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Abstract

Maternal carbohydrate intake is one important determinant of fetal body composition, but whether increased exposure to individual sugars has long-term adverse effects on the offspring is not well established. Therefore, we examined the effect of fructose feeding on the mother, placenta, fetus and her offspring up to 6 months of life when they had been weaned onto a standard rodent diet and not exposed to additional fructose. Dams fed fructose were fatter, had raised plasma insulin and triglycerides from mid-gestation and higher glucose near term. Maternal resistance arteries showed changes in function that could negatively affect regulation of blood pressure and tissue perfusion in the mother and development of the fetus. Fructose feeding had no effect on placental weight or fetal metabolic profiles, but placental gene expression for the glucose transporter GLUT1 was reduced, whereas the abundance of sodium-dependent neutral amino acid transporter-2 was raised. Offspring born to fructose-fed and control dams were similar at birth and had similar post-weaning growth rates, and neither fat mass nor metabolic profiles were affected. In conclusion, raised fructose consumption during reproduction results in pronounced maternal metabolic and vascular effects, but no major detrimental metabolic effects were observed in offspring up to 6 months of age.

Author-supplied keywords

  • developmental origins
  • fetal programming
  • metabolism
  • vascular function

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Authors

  • Christopher Lineker

  • Paul M. Kerr

  • Patricia Nguyen

  • Ian Bloor

  • Stuart Astbury

  • Nikhil Patel

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