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The positive effects of dietary arginine on juvenile hybrid snakehead (Channa maculata9xChanna argusd) fed high-carbohydrate diets: Liver inflammation antioxidant response, and glucose metabolism

文献类型： 外文期刊

作者： Zhao, Hongxia 1 ; Li, Peijia 1 ; Peng, Kai 1 ; Chen, Bing 1 ; Hu, Junru 1 ; Huang, Wen 1 ; Cao, Junming 1 ; Sun, Yuping 1 ;

作者机构： 1.Guangdong Acad Agr Sci, Inst Anim Sci, Collaborat Innovat Ctr Aquat Sci, Guangdong Key Lab Anim Breeding & Nutr, Guangzhou 510640, Peoples R China

2.Guangdong Ocean Univ, Coll Fisheries, Zhanjiang 524088, Peoples R China

关键词： Arginine; Hybrid snakehead; Antioxidant status; Glucose metabolism; Immune response

期刊名称：AQUACULTURE REPORTS （ 影响因子：3.7； 五年影响因子：3.8 ）

ISSN： 2352-5134

年卷期： 2023 年 30 卷

页码：

收录情况： SCI

摘要： The aim of this study was to investigate the effects of arginine supplementation on liver morphology, antioxidant capacity, inflammatory response, insulin signaling pathway and glucose metabolism in hybrid snakehead. Five experimental diets (2.31 %, 2.42 %, 2.72 %, 2.92 %, and 3.12 % arginine) were prepared by adding different levels of arginine to the basal diet containing high (27 %) level of carbohydrate. The results showed that the activities of superoxide dismutase (SOD), catalase (CAT), peroxidase (POD) and glutathione peroxidase (GSH-Px) of fish fed with arginine diets were significantly higher than those in control group (p < 0.05), accompanied by the lower malondialdehyde (MDA) content in the same groups (p < 0.05). There were obvious mild inflammatory cell infiltration and increased perihepatic pancreatic space in control group, while the pathological state of the liver was relieved in fish fed with arginine diets. Dietary arginine supplementation resulted in significantly higher glucose metabolism-related genes glucokinase (GK), phosphoenolpyruvate carboxkinase (PEPCK), glycogen synthase (GS) and pyruvate kinase (PK) and insulin signaling pathway key genes insulin receptor subset-1 (IRS-1), protein kinase B (Akt) and phosphoenolpyruvate carboxykinase (PI3K)(p < 0.05). Immunerelated genes transforming growth factor beta (TGF-beta), heat shock protein 70 (HSP70) and heat shock protein 90 (HSP90) were significantly higher in the arginine supplemented diet than in the control group (p < 0.05). Immune-related genes interleukin-8 (IL8), interleukin-1 beta (IL1 beta) and tissue tumor necrosis factor-alpha (TNF-alpha) in fish fed with arginine diets were significantly lower than those in control group (p < 0.05). In conclusion, dietary arginine can alleviate the adverse effects of high carbohydrate diet on hybrid snakeheads by improving glucose metabolism and enhancing antioxidant, anti-inflammatory and non-specific immune functions.

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