α-Mangostin ameliorates hepatic steatosis and insulin resistance by inhibition C-C chemokine receptor 2
by Hong Min Kim, You Mi Kim, Ji Hye Huh, Eun Soo Lee, Mi Hye Kwon, Bo Ra Lee, Hyun-Jeong Ko, Choon Hee Chung
Obesity induces various metabolic diseases such as dyslipidemia, nonalcoholic fatty liver disease (NAFLD), and type 2 diabetes. Fat expansion in adipose tissue induces adipose tissue dysfunction and inflammation, insulin resistance, and other metabolic syndromes. α-Mangostin (α-MG) has been previously studied for its anti-cancer, anti-inflammatory, and antioxidant activities. In this study, we investigated the effects of α-MG on adipose tissue inflammation and hepatic steatosis. We categorized study animals into four groups: regular diet control mice, RD mice treated with α-MG, high fat diet-induced obese mice, and HFD mice treated with α-MG. α-MG treatment significantly reduced not only the body, liver, and fat weights, but also plasma glucose, insulin, and triglyceride levels in HFD mice. Additionally, adiponectin levels of α-MG-treated mice were significantly higher than those of control HFD mice. Immunohistochemistry of liver and adipose tissue showed that CD11c expression was reduced in α-MG fed obese mice. α-MG treatment of HFD mice down-regulated the adipose-associated inflammatory cytokines and CCR2 in both liver and adipose tissue. Moreover, glucose tolerance and insulin sensitivity were significantly improved in α-MG fed obese mice. α-Mangostin ameliorates adipose inflammation and hepatic steatosis in HFD-induced obese mice.Publisher URL: http://journals.plos.org/plosone/article
DOI: 10.1371/journal.pone.0179204
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