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- Title
ERα-Dependent Regulation of Adropin Predicts Sex Differences in Liver Homeostasis during High-Fat Diet.
- Authors
Meda, Clara; Dolce, Arianna; Vegeto, Elisabetta; Maggi, Adriana; Della Torre, Sara
- Abstract
Non-alcoholic fatty liver disease (NAFLD) represents a public health issue, due to its prevalence and association with other cardiometabolic diseases. Growing evidence suggests that NAFLD alters the production of hepatokines, which, in turn, influence several metabolic processes. Despite accumulating evidence on the major role of estrogen signaling in the sexually dimorphic nature of NAFLD, dependency of hepatokine expression on sex and estrogens has been poorly investigated. Through in vitro and in vivo analysis, we determined the extent to which hepatokines, known to be altered in NAFLD, can be regulated, in a sex-specific fashion, under different hormonal and nutritional conditions. Our study identified four hepatokines that better recapitulate sex and estrogen dependency. Among them, adropin resulted as one that displays a sex-specific and estrogen receptor alpha (ERα)-dependent regulation in the liver of mice under an excess of dietary lipids (high-fat diet, HFD). Under HFD conditions, the hepatic induction of adropin negatively correlates with the expression of lipogenic genes and with fatty liver in female mice, an effect that depends upon hepatic ERα. Our findings support the idea that ERα-mediated induction of adropin might represent a potential approach to limit or prevent NAFLD.
- Subjects
IN vitro studies; IN vivo studies; LIVER; ANIMAL experimentation; NON-alcoholic fatty liver disease; SEX distribution; ESTROGEN receptors; GENE expression; RESEARCH funding; GENE expression profiling; POLYMERASE chain reaction; DIETARY fats; ANIMALS
- Publication
Nutrients, 2022, Vol 14, Issue 16, p3262
- ISSN
2072-6643
- Publication type
Article
- DOI
10.3390/nu14163262