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Related Concept Videos

Autoimmune Disorders01:29

Autoimmune Disorders

Autoimmune diseases are a group of disorders in which the body's immune system mistakenly attacks its own cells, tissues, and organs. This results from an overactive immune response against substances and tissues normally present in the body. Let's delve into the concept and mechanism of autoimmune diseases from an immune system point of view, explore different causes and examples of such diseases, and discuss potential solutions.
Concept and Mechanism of Autoimmune Diseases
The immune system...
Gastritis-II: Pathophysiology01:17

Gastritis-II: Pathophysiology

Gastritis is marked by disruption of the mucosal barrier that usually protects the stomach tissue from digestive juices and manifests in acute and chronic forms.
In acute gastritis, the gastric mucosa becomes swollen and red and undergoes superficial erosion. Superficial ulceration may lead to bleeding.
In chronic gastritis, persistent or repeated insults lead to chronic inflammatory changes and, eventually, thinning or atrophy of the gastric tissue.
Gastritis can stem from various causes, each...
Antigens Involved in Adaptive Immunity01:26

Antigens Involved in Adaptive Immunity

An antigen is any substance the immune system identifies as foreign and potentially harmful to the body, prompting an immune response. Antigens have two functional properties: immunogenicity and reactivity. Immunogenicity is the ability of an antigen to stimulate a specific immune response. At the same time, reactivity describes the antigen's ability to react with the cells and antibodies produced in response to it.
Complete Antigens
Complete antigens possess both immunogenicity and reactivity.
What is the Immune System?01:38

What is the Immune System?

Overview
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...
Hypersensitivity Reactions: Cytolytic Reactions01:01

Hypersensitivity Reactions: Cytolytic Reactions

Type II hypersensitivity involves IgG and IgM antibodies targeting cell surface antigens, leading to cell destruction. This can occur through complement activation, antibody-dependent cell-mediated cytotoxicity (ADCC), or acting as opsonins for phagocytosis. When excessive, these reactions cause significant tissue damage.Drug-induced hemolytic anemia is a common example, where drugs like penicillin or cephalosporins bind to red blood cells, forming drug-protein complexes. These complexes...

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Related Experiment Video

Updated: Jun 15, 2026

Generation of Two-color Antigen Microarrays for the Simultaneous Detection of IgG and IgM Autoantibodies
10:16

Generation of Two-color Antigen Microarrays for the Simultaneous Detection of IgG and IgM Autoantibodies

Published on: September 15, 2016

Autoantibodies in autoimmune diseases.

M Eggert1, U K Zettl, G Neeck

  • 1Biomedro Biotech, Schillingallee 68, Rostock Germany. martin.eggert@biomedro.de

Current Pharmaceutical Design
|March 4, 2010
PubMed
Summary

Autoantibodies are key in diagnosing rheumatoid arthritis (RA), systemic lupus erythematosus (SLE), and multiple sclerosis (MS). Monitoring these markers aids in predicting disease activity and therapy response, especially with expensive biological treatments.

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Area of Science:

  • Immunology
  • Clinical Medicine
  • Autoimmunity

Background:

  • Autoantibodies are characteristic of autoimmune diseases.
  • Their diagnostic and prognostic roles vary across conditions like RA, SLE, and MS.
  • Current understanding of MS-specific autoantibodies remains limited.

Purpose of the Study:

  • To review the significance of autoantibodies in RA, SLE, and MS.
  • To explore their utility in diagnosis, disease activity assessment, and prognosis.
  • To evaluate their role in predicting response to biological therapies.

Main Methods:

  • Literature review of autoantibodies in RA, SLE, and MS.
  • Analysis of diagnostic and prognostic value of autoantibodies.
  • Examination of autoantibody association with therapy response.

Main Results:

  • Autoantibodies are crucial for diagnosing RA and SLE, offering prognostic insights.
  • No exclusive autoantibodies are identified for MS, but antigen binding patterns differ.
  • Certain autoantibodies correlate with therapy response in RA and SLE.

Conclusions:

  • Autoantibodies are vital for RA and SLE diagnosis and prognosis.
  • MS diagnosis lacks specific autoantibodies, but antigen reactivity is notable.
  • Monitoring autoantibodies can optimize expensive biological therapies by identifying responders early.