A comparative study on the immune response in the head and trunk kidney of yellow catfish infected with Edwardsiella ictaluri
文献类型： 外文期刊
作者： Guo, Mengge 1 ; Sun, Ruhan 1 ; Wu, Zhengyan 1 ; Li, Anqi 1 ; Wang, Qin 1 ; Zhao, Zhangchun 1 ; Liu, Huimin 1 ; Wang, Bingchao 1 ; Xiao, Ke 1 ; Shi, Zechao 3 ; Ji, Wei 1 ;
作者机构： 1.Huazhong Agr Univ, Coll Fisheries, Key Lab Freshwater Anim Breeding, Minist Agr & Rural Affair, Wuhan 430070, Peoples R China
2.Huazhong Agr Univ, Coll Fisheries, Engn Res Ctr Green Dev Convent Aquat Biol Ind Yang, Minist Educ, Wuhan 430070, Peoples R China
3.Chinese Acad Fishery Sci, Yangtze River Fisheries Res Inst, Wuhan 430223, Peoples R China
关键词： Head kidney; Trunk kidney; Edwardsiella ictaluri; Yellow catfish; Immunoglobulin
期刊名称：FISH & SHELLFISH IMMUNOLOGY （ 影响因子：3.9； 五年影响因子：4.2 ）
ISSN： 1050-4648
年卷期： 2024 年 154 卷
页码：
收录情况： SCI
摘要： The teleost kidneys are anatomically divided into head kidney and trunk kidney, each performing distinct physiological functions. Although previous research has elucidated the role of the head kidney in immune responses, there is a paucity of literature on the comparative studies of the head and trunk kidney response to bacterial infection. Therefore, an Edwardsiella ictaluri infection model of yellow catfish was constructed to investigate and compare the immune responses between the two kidney types. The findings indicated that E. ictaluri infection induced significant pathological changes in both the head and trunk kidney. Despite variances in structure, both the head and trunk kidney of yellow catfish exhibit robust immune responses following E. ictaluri infection. Unexpectedly, the up-regulation level of IgM was found to be higher in the trunk kidney compared to the head kidney. Additionally, both the IgM(+) and IgD(+) B cells were increased after bacterial infection. This research elucidates the parallels and distinctions in immune functions between both the head and trunk kidney in fish, enriching the immune theory of the fish kidney, and also providing a theoretical basis for the immune response of teleost kidney against bacterial infections.
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