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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...
Inflammatory Bowel Disease III: Crohn's Disease01:25

Inflammatory Bowel Disease III: Crohn's Disease

Crohn’s disease is a chronic, relapsing form of inflammatory bowel disease characterized by segmental, transmural inflammation that can affect any part of the gastrointestinal tract. Its pathogenesis arises from a combination of genetic susceptibility, environmental exposures, epithelial barrier dysfunction, and immune dysregulation. Together, these factors lead to an exaggerated immune response against components of the gut microbiome.Genetic and Environmental InfluencesMultiple genetic...
Myasthenia Gravis ll: Pathophysiology01:22

Myasthenia Gravis ll: Pathophysiology

The disease process of myasthenia gravis begins at the neuromuscular junction, where antibodies attack key proteins needed for muscle activation. This immune reaction weakens signal transmission, leading to the characteristic muscle fatigue and weakness that define the condition.Immune-Mediated DamageIn most individuals, antibodies target acetylcholine receptors (AChRs) on the postsynaptic membrane of muscle cells. By blocking acetylcholine binding, these antibodies prevent the nerve signal...
Hypersensitivity Reactions: Immune-Complex Reactions01:19

Hypersensitivity Reactions: Immune-Complex Reactions

Type III hypersensitivity reactions occur when antigen–antibody complexes form and activate the complement system. Normally, these complexes help the clearance of antigens by phagocytes and red blood cells. However, when large numbers of immune complexes are present, they can deposit in tissues—particularly in the walls of blood vessels—leading to inflammation and tissue injury. These deposits trigger complement activation and neutrophil recruitment, resulting in serum sickness, a systemic...
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...

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Related Experiment Video

Updated: Jun 12, 2026

Induction of Drug-Induced, Autoimmune Hepatitis in BALB/c Mice for the Study of Its Pathogenic Mechanisms
11:36

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Published on: May 29, 2020

Acrylamine-induced autoimmune phenomena.

Bruce Rothschild1

  • 1University of Kansas and Arthritis Center, 529 E 1700 Rd, Baldwin, KS 66006, USA. bmr@ku.edu

Clinical Rheumatology
|June 15, 2010
PubMed
Summary
This summary is machine-generated.

Occupational exposure to acrylamides may trigger autoimmune diseases similar to drug-induced conditions. Further epidemiological studies are recommended for workers with acrylamide exposure.

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Area of Science:

  • Occupational Health
  • Immunology
  • Toxicology

Background:

  • Investigating the link between occupational exposures and autoimmune diseases.
  • Assessing clinical and immunological markers in individuals with potential workplace hazards.

Observation:

  • Six individuals with occupational acrylamide exposure were evaluated.
  • Symptoms, signs, and immuno-reactivity were monitored during exposure and non-exposure periods.

Findings:

  • Clinical and laboratory findings consistent with drug-induced autoimmune diseases were observed.
  • Observed conditions included lupus, anti-phospholipid syndrome, Sjogren's syndrome, scleroderma, and polymyositis.
  • The disease spectrum resembled that seen with procainamide, suggesting acrylamide's role.

Implications:

  • Suggests acrylamides as a potential occupational trigger for autoimmune conditions.
  • Highlights the need for comprehensive clinical and immunological examinations for exposed workers.
  • Recommends epidemiological analysis to confirm the association between acrylamide exposure and autoimmune disease.