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Construction and Screening of a Phage Display Library of Repertoire Single Chain Fv Antibody from Mouse Immunized with BoNTB/Hc

Yang Xiu

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Abstract

To produce antibodies capable of neutralizing botulinum neurotoxin type B(BoNT/B),We cloned the carboxy-terminal end of Hc containing the major determinants responsible for specific toxin,induced and purifed.The heavy-chain and kappa light-chain variable region gene repertoire of immunoglobulin were amplified individually from the spleen cell mRNA by RT-PCR and joined as a single-chain Fv(scFv)DNA fragment.These fragment were cloned into the phagemid pCANTAB5E and the phage display library was constructed.Results showed that the high affinity scFv was obtained after 4 rounds of panning,with its DNA sequence conforming to that of mouse antibody.

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What this paper is about

To produce antibodies capable of neutralizing botulinum neurotoxin type B(BoNT/B),We cloned the carboxy-terminal end of Hc containing the major determinants responsible for specific toxin,induced and purifed.The heavy-chain and kappa light-chain variable region gene repertoire of immunoglobulin were amplified individually from the spleen cell mRNA by RT-PCR and joined as a single-chain Fv(scFv)DNA fragment.These fragment were cloned into the phagemid pCANTAB5E and the phage display library was constructed.Results showed that the high affinity scFv was obtained after 4 rounds of panning,with its DNA sequence conforming to that of mouse antibody.

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Available abstract

To produce antibodies capable of neutralizing botulinum neurotoxin type B(BoNT/B),We cloned the carboxy-terminal end of Hc containing the major determinants responsible for specific toxin,induced and purifed.The heavy-chain and kappa light-chain variable region gene repertoire of immunoglobulin were amplified individually from the spleen cell mRNA by RT-PCR and joined as a single-chain Fv(scFv)DNA fragment.These fragment were cloned into the phagemid pCANTAB5E and the phage display library was constructed.Results showed that the high affinity scFv was obtained after 4 rounds of panning,with its DNA sequence conforming to that of mouse antibody.

Key concepts: Phage display, Panning (audio), Immunoglobulin light chain, Antibody, Molecular biology, Phagemid, Antibody Repertoire, Biology

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Construction and Screening of a Phage Display Library of Repertoire Single Chain Fv Antibody from Mouse Immunized with BoNTB/Hc — Research Paper | ScholarLens