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Updated: Jun 3, 2026
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Generation of Murine Monoclonal Antibodies by Hybridoma Technology
Published on: January 2, 2017
Cloning and Expression of Single-Chain Fragments (scFv) from Mouse and Rat Hybridomas
1Institute for Molecular Genetics, University of Heidelberg, Germany.
Methods in Molecular Medicine
|March 11, 2011
Summary
This study details methods for amplifying antibody variable regions (V(H) and V(L)) from hybridoma cells using polymerase chain reaction (PCR). Optimized primer sets and protocols facilitate efficient cloning and expression of antibody fragments in E. coli.
Area of Science:
- Molecular Biology
- Immunotechnology
- Protein Engineering
Background:
- Antibody variable regions (Fv) are crucial for antigen binding.
- Cloning and expression of Fv fragments in Escherichia coli (E. coli) enable antibody engineering and therapeutic development.
- Existing methods for amplifying antibody variable regions often face challenges with primer specificity and internal restriction sites.
Purpose of the Study:
- To develop and optimize primer sets for efficient amplification of mouse and rat immunoglobulin variable region DNA.
- To facilitate the cloning and expression of antibody variable fragments (Fv) in E. coli.
- To overcome limitations associated with internal restriction sites in antibody variable domain DNA.
Main Methods:
- Polymerase chain reaction (PCR) using antibody-specific primers to amplify V(H) and V(L) genes from hybridoma cells.
- Design of complex primer sets for equimolar amplification of diverse antibody genes in libraries.
- Development of primer sets incorporating rare restriction sites to avoid internal cleavage during cloning.
- Utilization of long primers with mismatches for specific amplification from single hybridoma clones.
Main Results:
- A comprehensive list of oligonucleotide primers for amplifying mouse and rat immunoglobulin variable region DNA is presented.
- Protocols for V(H) and V(L) DNA amplification are provided, suitable for generating large antibody libraries.
- The study addresses and provides solutions for issues related to internal restriction sites within antibody variable domains.
Conclusions:
- The developed primer sets and protocols enable efficient and specific amplification of antibody variable regions.
- These methods are valuable for constructing complex antibody libraries and for cloning antibody fragments for expression in E. coli.
- The optimization of primer design overcomes common technical hurdles in antibody engineering research.
