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A Liquid Phase Affinity Capture Assay Using Magnetic Beads to Study Protein-Protein Interaction: The Poliovirus-Nanobody Example
Published on: May 29, 2012
Next-Generation Sequencing and Proteomics-Enabled Approach for Rapid and High-Throughput Isolation of
Xilin Wu1,2, Jingzi Zhang1,2, Lei Fang3,4
1State Key Laboratory of Pharmaceutical Biotechnology, Medical School, Nanjing University, Nanjing, China.
Abstract:
Compared with traditional antibodies, nanobodies from camelids have various advantages, including small molecular weight, high affinity, low immunogenicity, convenient production through genetic engineering, etc. Here we combined next-generation sequencing (NGS) with proteomics technology based on affinity purification-mass spectrometry (AP-MS) and bioinformatics analysis to high-throughput screen monoclonal nanobodies from camels immunized with surface glycoprotein (glycoprotein N, Gn) of severe fever with thrombocytopenia syndrome virus and fulfilled production of the screened anti-Gn monoclonal nanobody with high affinity by genetic engineering. The innovative high-throughput technical route developed here could also be expanded to the production of neutralizing nanobodies specific for Rift Valley fever virus.
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