Abstract：
:Exposure to maternal high-fat (HF) diet during gestation and lactation alters adult offspring's feeding behavior and diet preference. However, the impact of maternal exercise on offspring's diet preference and reward system development is less studied. In this study, we investigate the effect of perinatal maternal exercise on the development of diet preference, dopamine- and opioid-related gene expression in the central reward system in female offspring from HF-fed Sprague-Dawley rat dams. We found maternal HF diet did not alter adult offspring HF preference, but influenced offspring's dopamine and opioid system both at weaning and in adulthood, and these offspring retained higher body weight in adulthood. However, offspring from dams exposed to both HF diet and exercise during gestation and lactation had normalized body weight, decreased fat mass and lower HF-diet preference but increased energy intake in adulthood. The dopamine- and opioid-related gene expression in central reward system and POMC expression in hypothalamus was elevated in these adult offspring. We conclude that maternal exercise during gestation and lactation can potentially overcome the negative effects of perinatal exposure to HF diet in female offspring by altering their diet preference, central reward system signaling and hypothalamus neuropeptide expression.
journal_name
Behav Brain Resjournal_title
Behavioural brain researchauthors
Song L,Cui J,Wang N,Wang R,Yan J,Sun Bdoi
10.1016/j.bbr.2020.112660subject
Has Abstractpub_date
2020-07-15 00:00:00pages
112660eissn
0166-4328issn
1872-7549pii
S0166-4328(20)30359-4journal_volume
390pub_type
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