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Updated: Jun 10, 2025
Scalable High Throughput Selection From Phage-displayed Synthetic Antibody Libraries
Published on: January 17, 2015
Generation of Antibody Libraries for Phage Display: Human Fab Format
Haiyong Peng1, Christoph Rader2
1Department of Immunology and Microbiology, The Herbert Wertheim UF Scripps Institute for Biomedical Innovation & Technology, University of Florida, Jupiter, Florida 33458, USA.
Phage display is a powerful method for the de novo generation and affinity maturation of human monoclonal antibodies from naive, immune, and synthetic antibody repertoires. The pComb3 phagemid family of phage display vectors facilitates the selection of human monoclonal antibody libraries in the monovalent Fab format, which consists of human variable domains VH and VL (Vκ or Vλ), fused to the human constant domains CH1 of IgG1 and CL (Cκ or Cλ), respectively. Here, we describe the use of a pComb3 derivative, phagemid pC3C, for the generation of human Fab libraries with randomly combined human variable domains (VH, Vκ, and Vλ) of high sequence diversity, starting from the preparation of mononuclear cells from blood and bone marrow. Depending on the complexity of the parental antibody repertoire, the protocol can be scaled for yielding a library size of 108-1011 independent human Fab clones. As such, it can be used, for instance, for the generation of a large naive human Fab library from healthy individuals or for the generation of a specialized immune human Fab library from individuals with an endogenous antibody response of interest.
Phage display is a powerful method for the de novo generation and affinity maturation of human monoclonal antibodies from naive, immune, and synthetic antibody repertoires. The pComb3 phagemid family of phage display vectors facilitates the selection of human monoclonal antibody libraries in the monovalent Fab format, which consists of human variable domains VH and VL (Vκ or Vλ), fused to the human constant domains CH1 of IgG1 and CL (Cκ or Cλ), respectively. Here, we describe the use of a pComb3 derivative, phagemid pC3C, for the generation of human Fab libraries with randomly combined human variable domains (VH, Vκ, and Vλ) of high sequence diversity, starting from the preparation of mononuclear cells from blood and bone marrow. Depending on the complexity of the parental antibody repertoire, the protocol can be scaled for yielding a library size of 108-1011 independent human Fab clones. As such, it can be used, for instance, for the generation of a large naive human Fab library from healthy individuals or for the generation of a specialized immune human Fab library from individuals with an endogenous antibody response of interest.
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