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当前位置: 首页 > 文章 > 鸡十二指肠中T淋巴细胞及其亚群发育的研究 畜牧与饲料科学 2010,31 (2) 25-27
Position: Home > Articles > Study on Development of T Lymphocytes and Its Subpopulation in Chicken Duodenum Animal Husbandry and Feed Science 2010,31 (2) 25-27

鸡十二指肠中T淋巴细胞及其亚群发育的研究

作  者：
Ying X
单  位：
College of Animal Science and Technology,Jilin Agricultural University,Changchun 130118,China
关键词：
day;cd3;the number;cd4;t lymphocytes;chicke
摘  要：
通过免疫组织化学法,应用CD3、CD4和CD8单克隆抗体研究了CD3+T淋巴细胞及CD4+和CD8+T淋巴细胞亚群在鸡盲肠扁桃体中的出现、迁移、组织定位分布及数量变化规律等一系列发育过程。结果显示:CD3+、CD8+T淋巴细胞最初于11胚龄时出现,而CD4+T淋巴细胞在15胚龄时出现。在定位分布变化上,CD3+主要分布在黏膜上皮中,CD4+主要分布在黏膜固有层中,CD8+在黏膜固有层和黏膜上皮内都有大量分布。在数量变化上,1～7日龄雏鸡各种阳性细胞的数量都骤然增加;而到7日龄时,雏鸡CD3+淋巴细胞的数量明显减少,CD4+、CD8+T细胞的数量无明显变化;从21日龄开始直到35日龄,雏鸡CD3+、CD4+和CD8+T淋巴细胞的数量持续增加。试验证明,鸡在出壳后初期十二指肠的细胞免疫功能增强。
译  名：
Study on Development of T Lymphocytes and Its Subpopulation in Chicken Duodenum
作  者：
XU Ying(College of Animal Science and Technology,Jilin Agricultural University,Changchun 130118,China)
关键词：
chicken;duodenum;T lymphocytes;development
摘  要：
By immunohistochemistry,the CD3 + T lymphocytes and CD4 + and CD8 + T cell subsets in chicken cecal tonsil,including appearance,migration,tissue localization and changes of the number,were determined by applying monoclonal antibodies of CD3,CD4 and CD8.The results showed that CD3 +,CD8 + T lymphocytes first appeared on 11 day-old embryo,while CD4 + T lymphocytes in the 15th day.Changes in distribution,CD3 + cell smainly in the mucosal epithelium,CD4 + cells in the mucosa in the lamina propria,but CD8 + cells in the lamina propria and mucosal epithelium.Changes in the amounts,the number of positive cells were all increased dramatically before the 7th day,and at the 7th day,CD3 + cells significantly decreased in the number,but CD4 +,CD8 + T cells had no significant changes in the number.From the 21st day to the 35th day,CD3 +,CD4 + and CD8 + T lymphocytes in the number increase continuously.The conclusion could be made that the immune function can be enhanced in the early post-hatched chicken duodenum.

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