期刊
METABOLISM-CLINICAL AND EXPERIMENTAL
卷 64, 期 1, 页码 60-78出版社
W B SAUNDERS CO-ELSEVIER INC
DOI: 10.1016/j.metabol.2014.10.012
关键词
Insulin resistance; Leptin; Nonalcoholic fatty liver disease; Nonalcoholic steatohepatitis; Leptin resistance
资金
- Amgen
Leptin, the first described adipokine, interplays with hepatic metabolism. The aim of this review was to summarize available data on the association between leptin and nonalcoholic fatty liver disease (NAFLD). Leptin has a potential dual action on NAFLD experimental models, exerting a possible anti-steatotic, but also a proinflammatory and profibrogenic action. Observational clinical studies have shown higher or similar leptin levels between simple steatosis and nonalcoholic steatohepatitis (NASH) compared with controls. Interventional studies showed that circulating leptin diminishes together with body mass index after successful weight loss following lifestyle modifications or bariatric surgery. Studies providing evidence for the effect of other medications on leptin levels in NAFLD populations are limited and of low power. Data from small studies claim that recombinant leptin administration had a possibly beneficial effect on steatosis, but not fibrosis, in NAFLD patients with hypoleptinemia. Although the aforementioned dual leptin action has not yet been validated in humans, leptin administration in NAFLD patients with normoleptinemia or hyperleptinemia is discouraged. Further well-controlled studies in cautiously selected populations are needed to elucidate whether leptin has any prognostic and therapeutic role in NAFLD patients. (C) 2015 Elsevier Inc. All rights reserved.
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