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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...
Skin Diseases and Disorders01:23

Skin Diseases and Disorders

Skin is the first line of defense and encounters a variety of microbes. Some pathogenic strains are often the cause of a broad range of infections of the skin and other body systems. These conditions can affect people of all ages and may have different causes, including genetic factors, infections, autoimmune reactions, environmental factors, and lifestyle choices.
Gram-positive Staphylococcus spp. and Streptococcus spp. are responsible for many of the most common skin infections. However, many...
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...
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...
Inflammatory Bowel Disease II: Ulcerative Colitis01:20

Inflammatory Bowel Disease II: Ulcerative Colitis

Ulcerative colitis is a chronic inflammatory disorder of the colon characterized by continuous mucosal inflammation that typically begins in the rectum and extends proximally in a uniform pattern. Its pathogenesis involves a complex interplay of genetic predisposition, immune dysregulation, and environmental influences. These factors converge to impair the colon’s epithelial defenses and promote an exaggerated inflammatory response against luminal contents.Breakdown of the Mucosal BarrierA...
Chronic Bowel Disorders: Introduction01:17

Chronic Bowel Disorders: Introduction

Chronic bowel diseases are a group of long-term conditions affecting the digestive tract, characterized by inflammation and damage to the gut lining. These conditions primarily include irritable bowel syndrome and inflammatory bowel disease.
Irritable Bowel Syndrome (IBS) is a common disorder affecting the gastrointestinal tract. The distinctive feature is recurrent abdominal pain associated with altered bowel movements, manifesting as constipation, diarrhea, or fluctuating between both. The...

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Related Experiment Video

Updated: May 10, 2026

Granulocyte-dependent Autoantibody-induced Skin Blistering
12:23

Granulocyte-dependent Autoantibody-induced Skin Blistering

Published on: October 12, 2012

[Autoimmune blistering diseases].

S Duvert-Lehembre1, P Joly1

  • 1Clinique dermatologique, CHU de Rouen, 1, rue de Germont, 76031 Rouen cedex, France.

La Revue De Medecine Interne
|June 11, 2013
PubMed
Summary
This summary is machine-generated.

Autoimmune blistering diseases involve autoantibodies causing skin blisters. Advances in understanding pathogenesis have led to new treatments for conditions like bullous pemphigoid and pemphigus.

Keywords:
Autoimmune blistering diseasesBullous pemphigoidMaladies bulleuses auto-immunesMucous membrane pemphigoidPemphigoïde bulleusePemphigoïde des muqueusesPemphigusTraitementTreatment

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Area of Science:

  • Dermatology
  • Immunology
  • Pathogenesis of autoimmune diseases

Context:

  • Autoimmune blistering diseases are characterized by pathogenic autoantibodies leading to epidermal blisters.
  • Bullous pemphigoid predominantly affects the elderly and is linked to neurological disorders, with a notable incidence increase in France.
  • Pemphigus pathogenesis involves desmosomal proteins and anti-desmoglein antibody titers correlate with disease activity.

Purpose:

  • To review recent advances in understanding the pathogenesis of autoimmune blistering diseases.
  • To discuss current and emerging therapeutic strategies for bullous pemphigoid and pemphigus.
  • To highlight diagnostic improvements and management of rare autoimmune junctional blistering diseases.

Summary:

  • Pathogenic autoantibodies drive epidermal blistering in autoimmune diseases.
  • Bullous pemphigoid, common in the elderly, shows increased incidence and links to neurological issues, treated primarily with topical corticosteroids.
  • Pemphigus involves desmosomal proteins; treatments include corticosteroids and rituximab for severe cases, while rare junctional diseases require immunosuppressants.

Impact:

  • Improved understanding of disease mechanisms facilitates the development of targeted therapies.
  • New diagnostic tools enhance the identification and management of severe autoimmune blistering conditions.
  • Advances offer better prognoses and reduced sequelae, particularly for recalcitrant and rare autoimmune blistering diseases.