Journal
JOURNAL OF MEDICINAL FOOD
Volume 19, Issue 3, Pages 290-299Publisher
MARY ANN LIEBERT, INC
DOI: 10.1089/jmf.2015.3527
Keywords
hepatic steatosis; hepatic inflammation; obesity; Artemisia annua L.
Funding
- Small and Medium Business Administration [S2148343]
- Basic Science Research Program through National Research Foundation of Korea [2014R1A2A1A11049588]
- National Research Foundation of Korea [2014R1A2A1A11049588] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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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-beta 1 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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