During the last 20 years in vitro technologies opened powerful routes to combine the generation of large libraries together with fast selection and screening procedures to identify lead candidates. One of the most successful methods is based on the use of filamentous phages. Functional Antibodies (Abs) fragments can be displayed on the surface of phages by fusing the coding sequence of the antibody variable (V) regions to the phage minor coat protein pIII. By creating large libraries, antibodies with affinities comparable to those obtained using traditional hybridoma technology can be isolated by a series of cycles of selection on the antigen of interest. In this system, antibody genes can be recovered simultaneously with selection and can be easily further engineered, for example by increasing their affinity to levels unobtainable in the immune system, or by modulating their specificity and their effector functions (by recloning into a full-length immunoglobulin scaffold). This chapter describes the basic protocols for antibody library construction and selection of binder with desired specificity.

Phage display technology for human monoclonal antibodies

Dal Ferro, Marco;Rizzo, Serena;RIZZO, EMANUELA;MARANO, FRANCESCA;Luisi, Immacolata;Sblattero, Daniele
2019

Abstract

During the last 20 years in vitro technologies opened powerful routes to combine the generation of large libraries together with fast selection and screening procedures to identify lead candidates. One of the most successful methods is based on the use of filamentous phages. Functional Antibodies (Abs) fragments can be displayed on the surface of phages by fusing the coding sequence of the antibody variable (V) regions to the phage minor coat protein pIII. By creating large libraries, antibodies with affinities comparable to those obtained using traditional hybridoma technology can be isolated by a series of cycles of selection on the antigen of interest. In this system, antibody genes can be recovered simultaneously with selection and can be easily further engineered, for example by increasing their affinity to levels unobtainable in the immune system, or by modulating their specificity and their effector functions (by recloning into a full-length immunoglobulin scaffold). This chapter describes the basic protocols for antibody library construction and selection of binder with desired specificity.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11368/2940245
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