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Dietary glutamine supplementation enhances expression of ZO-1 and occludin and promotes intestinal development in Min piglets

文献类型： 外文期刊

作者： Zhang, Jing 1 ; Wu, Guochao 1 ; Shan, Anshan 2 ; Han, Yu 3 ; Jin, Yongcheng 1 ; Fang, Hengtong 1 ; Zhao, Yun 1 ; Shen, Ji 1 ;

作者机构： 1.Jilin Univ, Coll Anim Sci, Changchun, Jilin, Peoples R China

2.Northeast Agr Univ, Inst Anim Nutr, Harbin, Heilongjiang, Peoples R China

3.Hebei North Univ, Lab Anim Ctr, Zhangjiakou, Peoples R China

4.Heilongjiang Acad Agr Sci, Inst Anim Husb, Harbin, Heilongjiang, Peoples R China

关键词： Glutamine; jejunum; occludin; zonula occludens; Min piglets

期刊名称：ACTA AGRICULTURAE SCANDINAVICA SECTION A-ANIMAL SCIENCE （ 影响因子：0.684； ）

ISSN： 0906-4702

年卷期： 2017 年 67 卷 1-2 期

页码：

收录情况： SCI

摘要： Forty-eight Min piglets at 7 days of age were randomly divided into two groups which were fed with 0% and 0.8% glutamine, respectively. Supplementation with 0.8% l-glutamine, the average daily gain (ADG) were significantly increased, and the concentrations of glutamine, glutamate, arginine and citrulline in plasma were significantly improved (P<.05). The expression of jejunal mucosa glutathione peroxidase (GSH-Px) and total superoxide dismutase (T-SOD) were both significantly increased, and the concentration of malonaldehyde (MDA) was significantly reduced (P<.05). Furthermore, the villus height and the villus height to crypt depth ratio were significantly increased (P<.05). Glutamine supplementation significantly increased the expression levels of occludin mRNA and protein (P<.05), while the mRNA and protein expression levels of ZO-1 were not significantly affected. These results showed that dietary supplementation with glutamine contributed to improving intestinal development and whole-body growth in Min piglets.

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