Related Experiment Video
Updated: Jul 6, 2026

12:15
Generation of Monoclonal Antibodies Against Natural Products
Published on: April 6, 2019
Antibody variable-region sequencing as a method for hybridoma cell-line authentication.
Simon Koren1, Miha Kosmac, Anja Colja Venturini
1Department for Production of Diagnostic Reagents and Research, Blood Transfusion Centre of Slovenia, Ljubljana, Slovenia.
Applied Microbiology and Biotechnology
|March 6, 2008
Summary
Hybridoma cell line authentication is crucial for reliable research. Antibody variable-region sequencing offers a highly accurate and accessible method for verifying hybridoma identity, overcoming limitations of DNA fingerprinting.
Area of Science:
- Biotechnology
- Immunology
- Molecular Biology
Background:
- Cell line misidentification and cross-contamination are significant issues in scientific research.
- Established authentication methods like DNA fingerprinting are less effective for hybridoma cell lines due to their genetic uniformity.
Purpose of the Study:
- To propose and evaluate antibody variable-region sequencing as a superior method for hybridoma cell line authentication.
- To compare the efficacy of variable-region sequencing with other potential authentication techniques.
Main Methods:
- Sequencing of antibody light-chain variable regions.
- Analysis of random amplified polymorphic DNA (RAPD).
- Two-dimensional gel electrophoresis (2D-PAGE).
Main Results:
- Antibody variable-region sequencing demonstrated a very high discriminatory power for hybridoma authentication.
- Sequencing of light-chain variable regions proved highly successful for routine application.
- Variable-region sequencing showed significant advantages over RAPD and 2D-PAGE, including robustness and ease of data analysis.
Conclusions:
- Antibody variable-region sequencing is a highly effective and recommended method for hybridoma cell line authentication.
- This method offers superior accuracy, reliability, and accessibility compared to existing techniques.

