Skin mucosal immunity characteristics across populations and sexes in the endangered Brachymystax tsinlingensisLi 1966
文献类型： 外文期刊
作者： Liu, Zhuo 1 ; Wang, Zhen-lu 1 ; Guo, Xing-chen 1 ; Liu, Peng 1 ; Wang, Yi-zhou 1 ; Li, Jun-yi 2 ; Chen, Jiang-feng 1 ; Li, Yu 3 ; Jiang, Hai-bo 1 ; Ye, Huan 2 ; Shao, Jian 1 ;
作者机构： 1.Guizhou Univ, Lab Fishery Resources & Environm Protect, Key Lab Anim Genet Breeding & Reprod Plateau Mount, Coll Anim Sci,Minist Educ, Guiyang 550025, Peoples R China
2.Chinese Acad Fishery Sci, Yangtze River Fisheries Res Inst, Wuhan 430223, Hubei, Peoples R China
3.Fisheries Res & Technol Extens Ctr Shaanxi, Xian 710086, Peoples R China
4.Guizhou Univ, Special Aquat Prod Res Inst, Guiyang 550025, Guizhou, Peoples R China
关键词： Brachymystax tsinlingensis; Second filial generation; Natural population; Skin mucus; Mucosal immunity
期刊名称：AQUACULTURE INTERNATIONAL （ 影响因子：2.4； 五年影响因子：2.7 ）
ISSN： 0967-6120
年卷期： 2025 年 33 卷 6 期
页码：
收录情况： SCI
摘要： This study compared the natural population (NP) and the second filial generation (SFGP) of Brachymystax tsinlingensis to evaluate differences in their immune and skin mucus characteristics. Enzyme-linked immunosorbent assay (ELISA) was employed to measure key markers of inflammation (IL-1 beta, IL-6), immunity (IgM, LZM), and antioxidant capacity (CAT, SOD), thereby investigating the immunological properties of skin mucus across populations and between sexes. The results showed that the NP had significantly higher levels of LZM and IL-6 in their skin mucus, whereas the SFGP exhibited higher levels of IL-1 beta, CAT, and SOD. Differences in IgM levels were also observed between the two populations. In both groups, females exhibited higher concentrations of these immune indicators in their skin mucus compared to males. These findings suggest that the NP and SFGP of Brachymystax tsinlingensis differ in their mucosal anti-inflammatory, immunological, and antioxidant capacities. Notably, SFGP displayed significantly greater antioxidant activity than the NP [CAT: P = 0.042 (P < 0.05); SOD: P = 0.001 (P < 0.001)]. Furthermore, females exhibited stronger mucosal immune, antioxidant, and anti-inflammatory responses than males. This study provides a comprehensive analysis of skin mucus immunity in Brachymystax tsinlingensis, offering insights to support conservation strategies and improve artificial reproduction efforts for this endangered species.
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