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Hybridoma Technology

Hybridoma Technology

Hybridoma technology is used for the large-scale production of monoclonal antibodies. Monoclonal antibodies bind to only a single antigenic determinant or epitope. Such antibodies are used in research, diagnostics, and disease therapy. The hybridoma technology established in 1975 by Georges Köhler and Cesar Milstein was awarded the Nobel Prize in Medicine in 1984 for revolutionizing research and therapy.
Hybridoma Selection
Commonly used fusion techniques — electroporation, polyethylene glycol...

Antibody Structure

Antibody Structure

Overview
Antibodies, also known as immunoglobulins (Ig), are essential players of the adaptive immune system. These antigen-binding proteins are produced by B cells and make up 20 percent of the total blood plasma by weight. In mammals, antibodies fall into five different classes, which each elicits a different biological response upon antigen binding.
The Y-Shaped Structure of Antibodies Consists of Four Polypeptide Chains
Antibodies consist of four polypeptide chains: two identical heavy...

Antibody Structure and Classes

Antibody Structure and Classes

Antibodies, also known as immunoglobulins, are produced by B cells in response to foreign substances, such as bacteria and viruses. These proteins are critical for recognizing and neutralizing these substances, protecting the body from potential harm.
The basic structure of an antibody consists of four protein chains: two identical heavy chains and two identical light chains. These chains are held together by disulfide bonds and other non-covalent interactions, forming a Y-shaped structure.

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Related Experiment Video

Updated: May 7, 2026

A Real-time Potency Assay for Chimeric Antigen Receptor T Cells Targeting Solid and Hematological Cancer Cells

A Real-time Potency Assay for Chimeric Antigen Receptor T Cells Targeting Solid and Hematological Cancer Cells

Published on: November 12, 2019

Chimeric antibodies.

Kohei Kurosawa¹, Waka Lin, Kunihiro Ohta

¹Department of Life Sciences, Graduate School of Arts and Sciences, The University of Tokyo, Tokyo, Japan.

Methods in Molecular Biology (Clifton, N.J.)

|September 17, 2013

Summary

Researchers developed a novel one-step method for generating antigen-specific human chimeric immunoglobulin G (IgG) monoclonal antibodies (mAbs). This innovative approach utilizes the Autonomously Diversifying Library (ADLib) system for efficient antibody production.

Area of Science:

Immunology
Biotechnology
Molecular Biology

Background:

Traditional monoclonal antibody (mAb) production can be complex and time-consuming.
Developing human chimeric antibodies requires specific genetic engineering techniques.

Purpose of the Study:

To present a detailed protocol for the one-step preparation of antigen-specific human chimeric IgG mAbs.
To introduce and validate the Autonomously Diversifying Library (ADLib) system for rapid antibody generation.

Main Methods:

Utilized a chicken B cell line (DT40) with a highly diversified Ig gene library.
Employed histone deacetylase inhibitors to enhance Ig gene diversification.
Engineered DT40 cells via homologous gene targeting to express human IgG constant regions.

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Isolation and Characterization Of Chimeric Human Fc-expressing Proteins Using Protein A Membrane Adsorbers And A Streamlined Workflow

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Published on: January 8, 2014

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Last Updated: May 7, 2026

A Real-time Potency Assay for Chimeric Antigen Receptor T Cells Targeting Solid and Hematological Cancer Cells

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Published on: November 12, 2019

Generation of Murine Monoclonal Antibodies by Hybridoma Technology

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Published on: January 2, 2017

Isolation and Characterization Of Chimeric Human Fc-expressing Proteins Using Protein A Membrane Adsorbers And A Streamlined Workflow

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Published on: January 8, 2014

Leveraged magnetic bead-based screening for antigen-specific B cell selection.

Main Results:

Successfully generated human chimeric IgG mAbs in a single step.
Demonstrated the ADLib system's capability for direct generation of antigen-specific human chimeric IgG.
The engineered DT40 strain simultaneously expressed cell-surface chicken IgM and secreted human IgG with identical variable regions.

Conclusions:

The ADLib system offers a streamlined and efficient method for producing human chimeric IgG mAbs.
This protocol facilitates the rapid isolation and purification of antigen-specific antibodies for immediate use.
The developed method has significant implications for antibody-based research and therapeutic development.