Histidine is effective in promoting muscle growth and protein deposition: In vivo and in vitro experimental models of grass carp (Ctenopharyngodon idella)

文献类型： 外文期刊

第一作者： Zeng, Xin

作者： Zeng, Xin;Zhou, Xiao-Qiu;Jiang, Wei-Dan;Wu, Pei;Liu, Yang;Ma, Yao-Bin;Feng, Lin;Zhou, Xiao-Qiu;Jiang, Wei-Dan;Wu, Pei;Liu, Yang;Ma, Yao-Bin;Feng, Lin;Zhou, Xiao-Qiu;Jiang, Wei-Dan;Wu, Pei;Liu, Yang;Ma, Yao-Bin;Feng, Lin;Tang, Ling;Li, Shu-Wei;Kuang, Sheng-Yao

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关键词： Ctenopharyngodon idella; Histidine; protein deposition; Amino acid; Myofiber

期刊名称：FOOD BIOSCIENCE （ 影响因子：5.9； 五年影响因子：6.1 ）

ISSN： 2212-4292

年卷期： 2024 年 62 卷

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收录情况： SCI

摘要： For aquatic animals, histidine is an essential amino acid. This study examined its impact on muscle growth and protein deposition in grass carp, both in vivo and in vitro, and explored the underlying mechanisms. A total of 450 grass carp (594.63 +/- 0.68 g) were assigned randomly to six groups of three replicates for each group that was fed with six diets containing 1.08 (basal diet), 2.91, 5.87, 8.83, 11.78, and 14.79 g/kg histidine for 63 d. Results indicated that based on PWG and muscle protein content, the histidine demands of adult grass carp were 8.94 (34.12 g/kg protein) and 8.54 g/kg diet (32.60 g/kg protein), respectively. Optimal histidine promoted myofiber hypertrophy, which could be correlated with cell proliferation-associated proteins [PCNA, E2F4 and Cyclin (B, D and E)] and myogenic regulators (MyoD, MyoG, MyHC and Myf6). Optimum histidine enhanced protein deposition, which could be correlated with the facilitation of protein synthesis (IGF-1/PI3K/AKT/TOR) as well as the suppression of ubiquitin-proteasome system and autophagy-lysosome system to inhibit protein degradation. Furthermore, optimal histidine raised muscle bound amino acid content and amino acid chemistry scores, thereby increasing muscle nutritional value.

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