Molecular Characterization and Expression Analysis of VSIG4 from the Asian Yellow Pond Turtle, Mauremys mutica
文献类型: 外文期刊
作者: Zhao, Mi 1 ; Shi, Yan 1 ; Zhu, Xinping 1 ; Chen, Kunci 1 ; Pan, Debo 1 ; Wei, Chengqing 1 ;
作者机构: 1.Chinese Acad Fishery Sci, Pearl River Fisheries Res Inst, Guangzhou 510380, Guangdong, Peoples R China
关键词: Asian yellow pond turtle;Mauremys mutica;Serratia marcescens;V-set and immunoglobulin domain-containing protein 4 (VSIG4);Immune responses
期刊名称:BIOCHEMICAL GENETICS ( 影响因子:1.89; 五年影响因子:1.959 )
ISSN: 0006-2928
年卷期: 2012 年 50 卷 11-12 期
页码:
收录情况: SCI
摘要: V-set and immunoglobulin domain-containing protein 4 (VSIG4), a member of the immunoglobulin superfamily, plays an important role in the immune system. This study isolated and characterized a cDNA encoding VSIG4 (MaVSIG4) from the Asian yellow pond turtle (Mauremys mutica). The MaVSIG4 cDNA is 1840 bp long and contains an open reading frame of 1,182 bp that encodes a polypeptide of 372 amino acids. The genomic sequence of MaVSIG4 spans 7,682 bp, with six exons and five introns. The phylogenetic tree shows that MaVSIG4 is most closely related to Gallus gallus VSIG4. The expression analysis by real-time PCR reveals that MaVSIG4 is ubiquitously expressed in various healthy tissues, with a higher expression level in the liver. After immune stimulation, the expression level of MaVSIG4 sharply decreased in the liver, heart, and kidney at 12 h (P < 0.01). These results provide a basis for further study of the function of MaVSIG4 in the turtle's immune system.
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