Journal
INTERNATIONAL JOURNAL OF OBESITY
Volume 41, Issue 9, Pages 1420-1426Publisher
NATURE PUBLISHING GROUP
DOI: 10.1038/ijo.2017.136
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Funding
- Danish Council for Independent Research, Medical Sciences
- Toyota Foundation
- Graduate School of Science and Technology, Aarhus University
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BACKGROUND/OBJECTIVES: The current world-wide obesity epidemic partially results from a vicious circle whereby maternal obesity during pregnancy predisposes the offspring for accelerated weight gain and development of metabolic syndrome. Here we investigate whether low-grade inflammation, characteristic of the obese state, provides a causal role for this disastrous fetal programming in mice. METHODS: We exposed pregnant and lactating C57BL/6JBom female mice to either high-fat diet (HFD), or continuous infusion of lipopolysaccharide (LPS), a potent trigger of innate immunity, and studied offspring phenotypes. RESULTS: Both maternal LPS or HFD treatments rendered the offspring hyperphagic and inept of coping with a HFD challenge during adulthood, increasing their adiposity and weight gain. The metabolic effects were more pronounced in female offspring, while exposed male offspring mounted a larger inflammatory response to HFD at adulthood. CONCLUSIONS: This supports our hypothesis and highlights the programming potential of inflammation in obese pregnancies.
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