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Título: Expression of anti-Z-DNA single chain antibody variable fragment on the filamentous phage surface
Autor(es): Maranhão, Andrea Queiroz
Brígido, Marcelo de Macedo
Assunto: Anticorpos antiácido nucléico
Z-DNA
Data de publicação: 2000
Editora: Associação Brasileira de Divulgação Científica
Referência: Braz J Med Biol Res,v.33,n.5,p.569-579,2000
Resumo: We describe the expression of an anti-Z-DNA single chain variable region antibody fragment (scFv) on a filamentous phage surface. Four vectors for phage display were constructed. Two of them are able to display multiple copies of the antibody fragment, and the others can be used to make monovalent libraries. The vectors use different promoter/leader sequences to direct the expression of the fused proteins. All were able to promote the assembly of fusion virion particles. In this paper we also show the affinity selection (biopanning) of those phage-antibodies based on the capacity of their products to recognize the antigen. We used biotinylated Z-DNA and the selection was performed in a solution phase fashion. The data presented here indicate that these vectors can be further used to construct anti-nucleic acid antibody fragment libraries that can be used to study the basis of nucleic acid-protein interaction and its role in autoimmunity mechanisms.
Unidade Acadêmica: Em processamento
DOI: https://dx.doi.org/10.1590/S0100-879X2000000500012
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