Identification of a cobia (Rachycentron canadum) CC chemokine gene and its involvement in the inflammatory response
文献类型: 外文期刊
作者: Su, Youlu 1 ; Guo, Zhixun 1 ; Xu, Liwen 1 ; Jiang, Jingzhe 1 ; Wang, Jiangyong 1 ; Feng, Juan 1 ;
作者机构: 1.Chinese Acad Fishery Sci, S China Sea Fisheries Res Inst, Div Fishery Organism Dis, Guangzhou 510300, Guangdong, Peoples R China
关键词: Cobia Rachycentron canadum;CC chemokine;Cloning;Gene expression;Inflammatory response
期刊名称:FISH & SHELLFISH IMMUNOLOGY ( 影响因子:4.581; 五年影响因子:4.851 )
ISSN: 1050-4648
年卷期: 2012 年 32 卷 1 期
页码:
收录情况: SCI
摘要: The chemokines regulate immune cell migration under inflammatory and physiological conditions. We investigated a CC chemokine gene (RcCC1) from cobia (Rachycentron canadum). The full-length RcCC1 cDNA is comprised 673 nucleotides and encodes a four-cysteine arrangement 99-amino-acid protein typical of known CC chemokines. The genomic DNA of RcCC1 consists of three exons and two introns. Phylogenetic analysis showed that RcCC1 was closest to the MIP group of CC chemokines. Quantitative real-time RT-PCR (qRT-PCR) analysis revealed RcCC1 was constitutively expressed in all tissues examined, with relative strong expression in gill, blood, kidney, spleen, and head kidney. The RcCC1 transcripts in the head kidney, spleen, and liver were quickly up-regulated after stimulation with formalin-inactivated Vibrio carchariae (bacterial vaccine) or polyriboinosinic polyribocytidylic acid (poly I:C). These results indicate RcCC1 not only plays a role in homeostasis, but also may be involved in inflammatory responses to bacterial and viral infection. (C) 2011 Elsevier Ltd. All rights reserved.
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