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Cloning and Characterization of the IgA Fc Receptor from Swine

文献类型: 外文期刊

作者: Chen, Yumei 1 ; Liu, Yunchao 1 ; Zhang, Gaiping 1 ; Feng, Hua 1 ; Ji, Pengchao 1 ; Wang, Guoqiang 1 ; Liu, Chang 1 ; Song 1 ;

作者机构: 1.Henan Acad Agr Sci, Henan Prov Key Lab Anim Immunol, Zhengzhou 450002, Peoples R China

2.Zhengzhou Univ, Coll Basic Med Sci, Zhengzhou 450001, Peoples R China

3.Henan Agr Univ, Coll Anim Sci & Vet Med, Zhengzhou 450002, Peoples R China

4.Henan Agr

关键词: Swine;IgA Fc receptor;Fc alpha RI

期刊名称:JOURNAL OF MICROBIOLOGY AND BIOTECHNOLOGY ( 影响因子:2.351; 五年影响因子:2.65 )

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收录情况: SCI

摘要: The myeloid-specific IgA Fc receptor (Fc alpha R) is a cell surface molecule on immunocytes that provides a fundamental connection between humoral and cellular immunity. In this study, the full-length cDNA sequence of swine Fc alpha RI (swFc alpha RI) was isolated and characterized and found to contain a 792-base-pair open reading frame, encoding a 264-amino-acid transmembrane glycoprotein with a predicted molecular mass of 29.4 kDa. The swFcaRI shares high amino acid sequence homology (>50%) with its counterparts from cattle, seal, and horse. Rosetting analysis confirmed that COS-7 cells transfected with an swFcaRI expression plasmid was able to combine with chicken erythrocytes sensitized with porcine IgA, but not IgG.

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