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Immunology and Infection
可扩展的高通量选择从噬菌体展示合成抗体库
可扩展的高通量选择从噬菌体展示合成抗体库
JoVE Journal
Immunology and Infection
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JoVE Journal Immunology and Infection
Scalable High Throughput Selection From Phage-displayed Synthetic Antibody Libraries

可扩展的高通量选择从噬菌体展示合成抗体库

Full Text
19,357 Views
12:55 min
January 17, 2015

DOI: 10.3791/51492-v

Shane Miersch1,2, Zhijian Li1,2, Rachel Hanna1,2, Megan E. McLaughlin1,2, Michael Hornsby1,3, Tet Matsuguchi1,3, Marcin Paduch1,4, Annika Sääf1,4, Jim Wells1,3, Shohei Koide1,4, Anthony Kossiakoff1,4, Sachdev S. Sidhu1,2

1The Recombinant Antibody Network, 2The Banting and Best Department of Medical Research,University of Toronto, 3Antibiome Center,University of California, San Francisco at Mission Bay, 4Department of Biochemistry and Molecular Biology,The University of Chicago

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Please note that some of the translations on this page are AI generated. Click here for the English version.

一种方法是描述视觉伴奏用于同时进行可扩展,高吞吐量选择从噬菌体展示的组合合成的抗体文库针对数百抗原。使用这种平行的方式,我们已经分离,表现出对于不同的抗原有功能在标准免疫高亲和力和特异性的抗体片段。

这种可扩展程序的总体目标是使用高通量方法从噬菌体展示文库中分离特异性和高亲和力的 fab 噬菌体克隆,该方法能够针对数百个抗原靶结构域进行平行选择。这是通过首先将纯化的抗原结构域固定在微孔板中来实现的。下一步是在连续几轮选择中暴露、捕获、释放和扩增与微孔板固定抗原特异性结合的 Fab 噬菌体克隆。

在此过程中,在每个步骤中使用混合方法监控选择的有效性。最后一步是评估分离的 fab 克隆的特异性、亲和力和/或活性。最终,针对大量抗原的特异性高亲和力 Fab 片段被并行分离,从而能够产生可用于分析所有类结构或功能相关蛋白质的抗体。

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