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Antibodies, or immunoglobulins, are critical players in the immune system's arsenal against invading pathogens. Produced by B cells and plasma cells, their primary role is to detect and bind to specific antigens, molecules found on the surface of pathogens like bacteria or viruses. Beyond antigen recognition, antibodies perform several vital functions that contribute to immune defense.
Neutralization
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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.
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Laboratory Scale Production and Purification of a Therapeutic Antibody

Laboratory Scale Production and Purification of a Therapeutic Antibody

Published on: January 24, 2017

Therapeutic Antibodies: An Overview.

¹Department of Neurology, Rigshospitalet, Glostrup, Denmark. gh@ssi.dk.

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

|September 3, 2021

Summary

Immunoglobulin (Ig) preparations, including monoclonal antibodies (mAbs), are vital for treating immunodeficiencies and infections. Advances in antibody technology are expanding their use for cancers and autoimmune diseases, offering new therapeutic options.

Keywords:

Antibody Antigen Bispecific Chimeric Human Humanized Immunoglobulin Monoclonal Nomenclature Therapeutic

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Area of Science:

Immunology
Biotechnology
Pharmacology

Background:

Immunoglobulin (Ig) preparations, or antibodies (Abs), have a long history in treating immunodeficiencies and infections.
Understanding Ab structure and function has revealed potential for treating cancers and autoimmune diseases.
The development of monoclonal antibodies (mAbs) has led to highly effective therapeutic antibodies (TAbs).

Purpose of the Study:

To review the current landscape and future potential of therapeutic antibodies (TAbs).
To discuss the mechanisms of TAb efficacy and challenges in their application.
To highlight advancements in TAb formats and their expanding clinical utility.

Main Methods:

Literature review of immunoglobulin and antibody therapies.
Analysis of the development and application of monoclonal antibodies (mAbs).
Examination of emerging TAb formats and their therapeutic implications.

Main Results:

Around 100 therapeutic antibodies (TAbs) are approved, with more in development, including engineered formats.
TAbs offer new treatment options for severe diseases, but predicting efficacy and overcoming resistance remain challenges.
Therapeutic efficacy stems from mechanisms like target neutralization, cytotoxicity, and immune cell activation.

Conclusions:

Therapeutic antibodies (TAbs) have revolutionized treatment for numerous conditions.
Novel TAb formats, such as bispecific antibodies and antibody-drug conjugates, are expanding therapeutic options.
Ongoing research promises to broaden the application of TAbs to more clinical conditions.