Genetic characterization and ligand specificity of the ovine Fc gamma receptor I (ovFc gamma RI)
文献类型: 外文期刊
第一作者: Qiao, Songlin
作者: Qiao, Songlin;Liu, Yunchao;Zhang, Jiuliang;Yang, Suzhen;Wan, Bo;Shi, Pingling;Zhang, Hong;Guo, Junqing;Zhang, Gaiping
作者机构:
关键词: Cloning;Expression;Sheep;Receptor
期刊名称:VETERINARY IMMUNOLOGY AND IMMUNOPATHOLOGY ( 影响因子:2.046; 五年影响因子:2.217 )
ISSN: 0165-2427
年卷期: 2010 年 137 卷 3-4 期
页码:
收录情况: SCI
摘要: Receptors for the Pc region of IgG (Fc gamma Rs) play a critical role in the immune system and host protection against infection. In this study, we describe the cloning, mRNA expression and IgG subclass specificity of ovine Fc gamma receptor I (ovFc gamma RI). The ovFc gamma RI cDNA contains a 1047 bp open-reading frame, and is predicted to encode a 349 amino acid trans-membrane glycoprotein composed of three immunoglobulin-like domains, a trans-membrane region and a short cytoplasmic tail. The overall identity of the ovine Fc gamma RI to its cattle, human and mouse counterparts at the level of the amino acid sequence was 92%, 61% and 54%, respectively. Rosetting analysis shows that COS-7 cells were transfected with an expressional vector carrying the cDNA open-reading frame of ovFc gamma RI and expressed this receptor on the surface. Identification of ovine Fc gamma RI will aid in the understanding of molecular basis of the ovine immune system and further studies of the receptor function. (c) 2010 Elsevier B.V. All rights reserved.
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