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KMID : 1161420160190030290
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Journal of Medicinal Food
2016 Volume.19 No. 3 p.290 ~ p.299
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Artemisia annua Leaf Extract Attenuates Hepatic Steatosis and Inflammation in High-Fat Diet-Fed Mice
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Kim Kyung-Eun
Ko Keon-Hee
Heo Rok-Won
Yi Chin-Ok
Shin Hyun-Joo
Kim Jun-Young
Park Jae-Ho
Nam Sang-Hae
Kim Hwa-Jin
Roh Gu-Seob
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Abstract
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Artemisia annua L. (AA) is a well-known source of the antimalarial drug artemisinin. AA also has an antibacterial and antioxidant activity. However, the effect of AA extract on hepatic steatosis induced by obesity is unclear. We investigated whether AA extract prevents obesity-induced insulin resistance and hepatic steatosis in high-fat diet (HFD)-fed mice. Mice were randomly divided into groups that received a normal chow diet or HFD with or without AA for 12 weeks. We found that AA extract reduced insulin resistance and hepatic steatosis in HFD-fed mice. Western blot analysis showed that HFD-induced expression of nuclear sterol regulatory element-binding protein 1 and carbohydrate-responsive element-binding protein in the livers was decreased by AA extract. In particular, dietary administration of AA extract decreased hepatic high-mobility group box 1 and cyclooxygenase-2 expression in HFD-fed mice. AA extract also attenuated HFD-induced collagen deposition and fibrosis-related transforming growth factor-β1 and connective tissue growth factor. These data indicate that dietary AA extract has beneficial effects on hepatic steatosis and inflammation in HFD-fed mice.
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KEYWORD
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Artemisia annua L., hepatic inflammation, hepatic steatosis, obesity
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