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Related Concept Videos

Antibody Structure01:10

Antibody Structure

60.9K
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...
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Antibody Actions01:26

Antibody Actions

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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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Hybridoma Technology01:31

Hybridoma Technology

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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.
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Commonly used fusion techniques — electroporation,...
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Antibody Structure and Classes01:25

Antibody Structure and Classes

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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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Cross-reactivity00:42

Cross-reactivity

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Affinity and Avidity01:41

Affinity and Avidity

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Updated: Aug 23, 2025

Laboratory Scale Production and Purification of a Therapeutic Antibody
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Antibody Patent Evolution.

Theodore W Teng, Aaron S Kesselheim, S Sean Tu

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    This summary is machine-generated.

    Monoclonal antibody therapeutics are a major focus for the biotechnology industry, generating billions in revenue. Understanding antibody patents is crucial for drug companies, healthcare providers, and consumers.

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    Area of Science:

    • Biotechnology and Pharmaceutical Sciences
    • Intellectual Property Law

    Background:

    • Therapeutic antibody production is a significant area within the biotechnology industry.
    • Monoclonal antibodies represented four of the top six selling prescription drugs in 2021, generating over $67 billion.
    • The economic importance of these biologics highlights the relevance of their patent landscape.

    Purpose of the Study:

    • To underscore the importance of antibody patent regulations.
    • To provide context on the economic impact of therapeutic antibodies.

    Main Methods:

    • Review of market data for top-selling drugs in 2021.
    • Analysis of the role of monoclonal antibodies in the pharmaceutical market.

    Main Results:

    • Monoclonal antibodies are a dominant force in the prescription drug market.
    • Significant revenue generation from antibody-based therapeutics.

    Conclusions:

    • The high market value of therapeutic antibodies necessitates a clear understanding of patent laws.
    • Antibody patent rules are increasingly critical for all stakeholders in the healthcare ecosystem.