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Related Concept Videos

Antibody Structure01:10

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 Structure01:10

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 Classes01:25

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.
Antibody Actions01:26

Antibody Actions

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
Antibodies can bind to pathogens, preventing them from infecting host cells. This process...
Affinity and Avidity01:41

Affinity and Avidity

Overview
Cross-reactivity00:42

Cross-reactivity

Overview

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Related Experiment Video

Updated: May 23, 2026

Activated Cross-linked Agarose for the Rapid Development of Affinity Chromatography Resins - Antibody Capture as a Case Study
07:53

Activated Cross-linked Agarose for the Rapid Development of Affinity Chromatography Resins - Antibody Capture as a Case Study

Published on: August 16, 2019

Engineering aggregation-resistant antibodies.

Joseph M Perchiacca1, Peter M Tessier

  • 1Department of Chemical and Biological Engineering, Rensselaer Polytechnic Institute, Troy, NY, USA.

Annual Review of Chemical and Biomolecular Engineering
|April 4, 2012
PubMed
Summary
This summary is machine-generated.

Antibody fragments are engineered to prevent aggregation, offering insights into antibody solubility. Advances focus on improving antibody stability for therapeutic applications.

Related Experiment Videos

Last Updated: May 23, 2026

Activated Cross-linked Agarose for the Rapid Development of Affinity Chromatography Resins - Antibody Capture as a Case Study
07:53

Activated Cross-linked Agarose for the Rapid Development of Affinity Chromatography Resins - Antibody Capture as a Case Study

Published on: August 16, 2019

Area of Science:

  • Biochemistry
  • Immunology
  • Protein Engineering

Background:

  • Antibodies are crucial for diagnostics and therapeutics due to their specific binding.
  • Antibody aggregation is a significant limitation, especially at high concentrations and temperatures.
  • Full-length antibodies are complex, hindering structural analysis of solubility determinants.

Purpose of the Study:

  • To review advancements in engineering antibody fragments to prevent aggregation.
  • To explore strategies for enhancing the stability and solubility of antibody therapeutics.
  • To identify challenges in engineering large antibodies resistant to aggregation.

Main Methods:

  • Engineering antibody frameworks and domain interfaces.
  • Modifying antigen-binding loops to improve solubility.
  • Analyzing aggregation determinants in antibody fragments.

Main Results:

  • Engineering strategies effectively prevent aggregation in antibody fragments.
  • Insights gained from fragments inform the design of more stable antibodies.
  • Progress has been made in understanding sequence and structure effects on antibody solubility.

Conclusions:

  • Engineered antibody fragments offer a viable approach to overcome aggregation issues.
  • Further research is needed to develop robust strategies for large, multidomain antibodies.
  • Improving antibody stability is key for advancing antibody-based therapies.