Silymarin inhibits adipogenesis in the adipocytes in grass carp Ctenopharyngodon idellus in vitro and in vivo
文献类型: 外文期刊
作者: Xiao, Peizhen 1 ; Yang, Zhou 1 ; Sun, Jian 1 ; Tian, Jingjing 1 ; Chang, Zhiguang 1 ; Li, Xuexian 1 ; Zhang, Baotong 2 ;
作者机构: 1.Northwest A&F Univ, Coll Anim Sci & Technol, Yangling 712100, Peoples R China
2.Beijing Res Inst Nutr Resources, Open Lab Aquat Anim Nutr, Beijing 100069, Peoples R China
3.Soochow Univ, Sch Biol & Basic Med Sci, Key Lab Aquat Nutr Jiangsu Prov, Suzhou 215123, Peoples R China
4.Chinese Acad Fishery Sci, Pearl River Fisheries Res Inst, Key Lab Trop & Subtrop Fishery Resource Applicat, Minist Agr, Guangzhou 510380, Guangdong, Peoples R China
5.Chinese Acad Fishery Sci, Pearl River Fisheries Res Inst, Key Lab Trop & Subtrop Fishery Resource Applicat,
关键词: Silymarin;Adipogenesis;Grass carp;Adipocytes
期刊名称:FISH PHYSIOLOGY AND BIOCHEMISTRY ( 影响因子:2.794; 五年影响因子:2.876 )
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收录情况: SCI
摘要: In this study, two experiments were performed to explore the function of silymarin in adipogenesis in grass carp (Ctenopharyngodon idellus) using in vitro and in vivo models. In experiment 1, differentiated grass carp pre-adipocytes were treated with silymarin for 6 days. Treatment with 100 mu g mL(-1)silymarin (SM100 group) significantly reduced triglyceride accumulation at day 6. The adipogenic gene expression levels of PPAR gamma, C/EBP alpha, SREBP1c, FAS, SCD1, and LPL, and the protein expression level of PPAR gamma were significantly down-regulated in the SM100 group. Additionally, the SM100 group had significantly lower reactive oxygen species production and reduced glutathione contents compared with the control in vitro. In experiment 2, the juvenile grass carp (mean body weight= 27.4 +/- 0.17 g) were fed six isonitrogenous and isocaloric diets in a factorial design containing 0, 100, or 200 mg kg(-1) silymarin (SM0, SM100, SM200) associated with either 4 or 8% lipid levels (low lipid, LL, and high lipid, HL, respectively) for 82 days. The results demonstrated that dietary silymarin supplementation significantly reduced the elevated intraperitoneal fat index in grass carp fed with high-lipid diets, and the gene expression of adipogenesis (PPAR gamma, FAS) when supplemented with dietary silymarin was notably lower than when no silymarin was supplemented under the high-lipid diets. Thus, our data suggest that silymarin suppressed lipid accumulation in grass carp both in vitro and in vivo, and the effect might be due to an influence on the expression of adipogenesis factors and ROS production partly associated with effects on antioxidant capability.
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