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多样性人源天然噬菌体抗体库的构建及初步应用
Authors
夏宁邵
张军
+5 more
李利峰
王明桥
王晋
罗文新
陈瑛炜
Publication date
18 November 2006
Publisher
Abstract
目的:构建多样性良好的人源天然噬菌体抗体库。方法:从正常人外周血中分离淋巴细胞,以RT-PCR和半巢式PCR扩增重链可变区VH基因和轻链可变区VL基因,以重叠延伸PCR将VH、VL组装成scFv基因,并将其克隆入噬菌粒载体pCANTAB-5E中。以pCANTAB-5E电转化大肠杆菌TG1,构建人源天然噬菌体抗体库,测序分析抗体基因的家族信息和多样性,并用多种抗原对其进行筛选。结果:获得了库容为2×108的人源天然噬菌体抗体库。分别用5种抗原对其进行筛选,均可获得特异性噬菌体抗体的富集。结论:成功地构建了一个多样性良好的人源天然噬菌体抗体库,可用于制备具有应用前景的人源抗体
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Last time updated on 16/06/2016