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Related Concept Videos

Autoimmune Disorders01:29

Autoimmune Disorders

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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.
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Skin Diseases and Disorders01:23

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

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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...
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Hypersensitivity Reactions: Immune-Complex Reactions01:19

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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...
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Related Experiment Video

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Granulocyte-dependent Autoantibody-induced Skin Blistering
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Autoimmune blistering dermatoses as systemic diseases.

Snejina Vassileva1, Kossara Drenovska1, Karen Manuelyan1

  • 1Department of Dermatology and Venereology, Medical Faculty, Medical University-Sofia, 1 Georgi Sofiiski Boulevard, 1431 Sofia, Bulgaria.

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Autoimmune blistering skin diseases can signal broader health issues. Early diagnosis is key to identifying systemic involvement and associated autoimmune conditions for comprehensive patient care.

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Area of Science:

  • Dermatology
  • Immunology
  • Internal Medicine

Background:

  • Autoimmune blistering dermatoses are skin-specific autoimmune disorders.
  • These conditions can be cutaneous manifestations of multiorgan diseases.
  • Common pathogenic mechanisms link skin autoimmunity to systemic involvement.

Purpose of the Study:

  • To highlight the importance of considering systemic involvement in autoimmune blistering dermatoses.
  • To review associated autoimmune and inflammatory conditions.
  • To emphasize the link between specific dermatoses and organ-specific diseases.

Main Methods:

  • Literature review of autoimmune blistering dermatoses and their systemic associations.
  • Analysis of pathogenic mechanisms and autoantibody cross-reactivity.
  • Clinical and serological feature correlation with organ involvement.

Main Results:

  • Paraneoplastic pemphigus affects internal organs, especially lungs.
  • Bullous pemphigoid is linked to neurologic disease.
  • Anti-laminin 332 pemphigoid indicates adenocarcinoma risk.
  • Anti-p200 pemphigoid associated with psoriasis.
  • Linear IgA disease/epidermolysis bullosa acquisita linked to inflammatory bowel disease.
  • Dermatitis herpetiformis is a manifestation of gluten sensitivity.
  • Bullous systemic lupus erythematosus is part of systemic lupus erythematosus spectrum.

Conclusions:

  • Diagnosis of autoimmune blistering dermatoses necessitates evaluation for systemic disease.
  • Understanding associated conditions improves patient management.
  • Specific autoantibodies can predict organ-specific risks.