A mutation in the NLRC5 promoter limits NF-kappa B signaling after Salmonella Enteritidis infection in the spleen of young chickens
文献类型: 外文期刊
第一作者: Chang, Guobin
作者: Chang, Guobin;Ma, Teng;Xu, Lu;Wang, Hongzhi;Li, Zhiteng;Guo, Xiaomin;Xu, Qi;Chen, Guohong;Liu, Xiangping
作者机构:
关键词: NLRC5;Chicken;Immune response;Salmonella
期刊名称:GENE ( 影响因子:3.688; 五年影响因子:3.329 )
ISSN:
年卷期:
页码:
收录情况: SCI
摘要: To date, the functions of the NLRC5 in chickens remain undefined. In the current study, chicken NLRC5 was cloned and an A1017G mutation was detected in its promoter region. The relative expression levels of the NLRC5 and key NF-kappa B pathway genes, IKK alpha, IKK beta, NF-kappa B, IL-6, IL-1 beta and IFN-gamma, in the spleens of wild and mutant type birds, AA and GG, were determined using FQ-PCR at 7 day post-infection (DPI) with Salmonella Enteritidis. Additionally, the bacterial burden in the caecum and various immune response parameters were measured to evaluate immune responses. All of the examined immune response parameters were significantly different between the AA chickens and the GG chickens. Specifically, the mRNA expression levels of IKK alpha, NF-kappa B, IL-6, IL-1 beta and IFN-gamma, were higher in AA chickens than those in GG chickens, while the mRNA expression levels of NLRC5 were lower in AA chickens than those in GG chickens (P < 0.05). Moreover, the mRNA expression levels of TLR4 and MyD88 were not affected in either group. Collectively, considering former NLRC5 functional study in vitro, the wild genotype birds presented with better resistance to Salmonella Enteritidis through the actions of the NLRC5 and subsequent inhibition of the NF-kappa B pathway in chickens. (C) 2015 Elsevier B.V. All rights reserved.
分类号: R394
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