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应用噬菌体展示技术筛选人树突状细胞的特异结合分子 被引量:1

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摘要 目的:从人肝癌T7 cDNA噬菌体展示肽库中筛选出能与人未成熟树突状细胞(iDC)特异结合的蛋白分子。方法:以人iDC为固相筛选目标,对人肝癌T7 cDNA噬菌体肽库进行4轮生物淘选,ELISA鉴定噬菌体单克隆。阳性克隆经PCR扩增并测序后行同源性比对分析。结果:4轮筛选富集现象不显著,获得80个只与人iDC特异性结合的阳性克隆。测序显示部分克隆序列相同,生物信息学比对发现与人iDC特异结合的阳性噬菌体克隆的同源蛋白中,可能与肝癌发生相关的分子有:人铁蛋白轻链、甲胎蛋白、α1微球蛋白前体、G蛋白偶联受体116和跨膜蛋白49等。结论:从人肝癌T7 cDNA噬菌体肽库中筛选获得了能与人iDC特异结合的分子,为阐明人肝癌发生发展过程中肿瘤免疫逃逸相关机制奠定了基础。
出处 《细胞与分子免疫学杂志》 CAS CSCD 北大核心 2011年第4期467-469,共3页 Chinese Journal of Cellular and Molecular Immunology
基金 肿瘤生物学国家重点实验室(第四军医大学)开放基金(CBSKL201007)
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