饲料营养 Feed science and technology

壳寡糖对小鼠生长性能、血清免疫和抗氧化指标的影响

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  • 1. 浙江大学饲料科学研究所, 农业部动物营养与饲料科学重点实验室, 杭州 310058;
    2. 浙江海洋大学食品与医药学院, 舟山 316022
张南南(1988-),女,山东菏泽人,硕士研究生,动物营养与饲料科学专业。E-mail:929812084@qq.com

收稿日期: 2017-10-16

  网络出版日期: 2018-04-03

基金资助

浙江省自然科学基金(LY17C170001,LQ13C200002)

Effects of Chitosan Oligosaccharide on Growth Performance, Serum Immune and Antioxidant Indexes of Mice

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  • 1. Key Laboratory of Animal Nutrition and Feed Science of Agriculture, Feed Science Institute, Zhejiang University, Hangzhou 310058, China;
    2. College of Food and Medicine, Zhejiang Ocean University, Zhoushan 316022, China

Received date: 2017-10-16

  Online published: 2018-04-03

摘要

本试验旨在研究灌胃不同剂量壳寡糖(COS)对小鼠生长性能和血清免疫球蛋白含量、细胞因子水平、抗氧化酶活性的影响。选取60只5周龄无特定病原体(SPF)级ICR雄性小鼠,随机分为6组,包括1个对照组和5个试验组,每组10只。5个试验组小鼠分别按照0.2、0.4、0.6、0.8和1.0 g/kg BW的剂量灌胃COS(溶解于生理盐水),对照组灌服等体积的生理盐水。试验期6周。结果表明:1)灌胃不同剂量COS对小鼠体重无显著影响(P>0.05)。2)灌胃0.6 g/kg BW COS可显著提高小鼠胸腺指数(P<0.05),较对照组提高了32.87%。3)灌胃0.6 g/kg BW COS可显著提高小鼠血清免疫球蛋白A(IgA)和免疫球蛋白M(IgM)含量(P<0.05),较对照组分别提高了12.14%和20.69%。4)灌胃不同剂量COS对小鼠血清白细胞介素-6(IL-6)、白细胞介素-10(IL-10)、白细胞介素-1β(IL-1β)、转化生长因子-β(TGF-β)和肿瘤坏死因子-α(TNF-α)水平均无显著影响(P>0.05)。5)灌胃0.6 g/kg BW COS可显著提高小鼠血清中髓过氧化物酶(MPO)活性(P<0.05),较对照组提高了27.61%;灌胃0.8 g/kg BW COS可显著提高小鼠血清过氧化物酶(POD)活性(P<0.05),较对照组提高了45.08%。综上,在本试验条件下,COS可促进小鼠免疫器官发育并具有调节血清免疫和抗氧化指标的功能。

本文引用格式

张南南, 李兰兰, 张晓昀, 闻正顺, 邹晓庭 . 壳寡糖对小鼠生长性能、血清免疫和抗氧化指标的影响[J]. 动物营养学报, 2018 , 30(4) : 1538 -1546 . DOI: 10.3969/j.issn.1006-267x.2018.04.039

Abstract

This experiment was carried out to investigate the effects of gavage administration of different doses of chitosan oligosaccharides (COS) on growth performance, serum immunoglobulins contents, cytokines levels and antioxidant enzyme activities of mice. Sixty 5-week-old specific pathogen-free (SPF) ICR male mice were selected and randomly divided into 6 groups, including 1 control group and 5 experimental groups with 10 mice each. The mice in 5 experimental groups were given gavage administration of COS (dissolved in normal saline) at levels of 0.2, 0.4, 0.6, 0.8 and 1.0 g/kg BW, and the mice in control group were given gavage administration of the same volume of normal saline. The experiment lasted for 6 weeks. The results showed as follows:1) gavage administration of different doses of COS had no significant influence on body weight of mice (P>0.05). 2) Thymus index was significantly increased by gavage administration of 0.6 g/kg BW COS, and it was increased by 32.87% compared with the control group (P<0.05). 3)Gavage administration of 0.6 g/kg BW COS significantly increased the contents of serum immunoglobulin A (IgA) and immunoglobulin (IgM), and they were increased by 12.14% and 20.69%, respectively, compared with the control group (P<0.05). 4) No significant differences were found in serum interleukin-6 (IL-6), interleukin-10 (IL-10), interleukin-1β (IL-1β), transforming growth factor-β (TGF-β) and tumour necrosis factor-α (TNF-α) by gavage administration of different doses of COS (P>0.05). 5)The activity of myeloperoxidase (MPO) was significantly increased by gavage administration of 0.6 g/kg BW COS, and it was increased by 27.61% compared with the control group (P<0.05). The activity of peroxidase (POD) was significantly increased by gavage administration of 0.8 g/kg BW COS, and it was increased by 45.08% compared with the control group (P<0.05). In summary, under the conditions of this experiment, COS has function of promoting the development of immune organs and regulating serum immune and antioxidant indexes of mice.

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