Generation and Panning of a Naïve Human scFv Phage Display Library

Area of Science:

• Biotechnology and Molecular Biology
• Immunology and Serology

Background:

• Phage display technology is a powerful tool for antibody discovery.
• Naïve antibody libraries are essential for isolating monoclonal antibodies against diverse targets.
• The IgM repertoire from healthy donors serves as the genetic source for naïve antibody libraries.

Purpose of the Study:

• To describe the generation of a high-diversity naïve antibody library for phage display.
• To outline a robust protocol for antibody gene cloning and library construction.
• To detail the subsequent bio-panning selection process for antibody isolation.

Main Methods:

• Utilizing a two-step cloning method to generate single-chain fragment variable (scFv) antibody genes.
• Cloning antibody genes derived from the IgM repertoire of healthy donors.
• Employing bio-panning selection for the isolation of target-specific monoclonal antibodies.

Main Results:

• Successful construction of a diverse naïve antibody library.
• Demonstration of the feasibility of using the IgM repertoire for antibody library generation.
• Establishment of a protocol amenable to antibody discovery against various targets.

Conclusions:

• The described method provides a reliable approach for generating naïve antibody libraries.
• This strategy facilitates the isolation of monoclonal antibodies through phage display.
• The protocol is applicable for identifying antibodies against a wide range of antigens.