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Dietary essential amino acids restore liver metabolism in ovariectomized mice via hepatic estrogen receptor α.
Nat. Commun. 12:6883 (2021)
In female mammals, the cessation of ovarian functions is associated with significant metabolic alterations, weight gain, and increased susceptibility to a number of pathologies associated with ageing. The molecular mechanisms triggering these systemic events are unknown because most tissues are responsive to lowered circulating sex steroids. As it has been demonstrated that isoform alpha of the estrogen receptor (ERα) may be activated by both estrogens and amino acids, we test the metabolic effects of a diet enriched in specific amino acids in ovariectomized (OVX) mice. This diet is able to block the OVX-induced weight gain and fat deposition in the liver. The use of liver-specific ERα KO mice demonstrates that the hepatic ERα, through the control of liver lipid metabolism, has a key role in the systemic response to OVX. The study suggests that the liver ERα might be a valuable target for dietary treatments for the post-menopause.
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Publication type
Article: Journal article
Document type
Scientific Article
Keywords
Sex-differences; Fatty Liver; Er-alpha; Expression; Insulin; Activation; Survival
ISSN (print) / ISBN
2041-1723
e-ISSN
2041-1723
Journal
Nature Communications
Quellenangaben
Volume: 12,
Issue: 1,
Article Number: 6883
Publisher
Nature Publishing Group
Publishing Place
London
Non-patent literature
Publications
Reviewing status
Peer reviewed
Institute(s)
Institute of Diabetes and Cancer (IDC)
Grants
Department of Pharmaceutical Sciences (DISFARM, University of Milan)
European Community (ERC-Advanced Grant Ways)
Cariplo Foundation
European Community (ERC-Advanced Grant Ways)
Cariplo Foundation