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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.
Concept and Mechanism of Autoimmune Diseases
The immune...
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Chronic Bowel Disorders: Introduction01:17

Chronic Bowel Disorders: Introduction

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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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Inflammatory Bowel Disease II: Crohn's Disease01:30

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Inflammatory bowel disease, commonly known as IBD, refers to a collection of disorders that lead to persistent inflammation of the gastrointestinal tract. The two types of IBD are ulcerative colitis, which impacts the colon, and Crohn's disease, which can involve any part of the gastrointestinal segment.
Crohn's disease
Crohn's disease is a chronic, systemic inflammatory bowel disease (IBD) that predominantly affects the gastrointestinal tract. It is marked by...
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T Cell Types and Functions01:24

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When T cells with CD4 markers are activated, they give rise to two types of effector cells: helper T cells and regulatory T cells. Meanwhile, T cells with CD8 markers differentiate into effector cytotoxic T cells. The differentiation of CD4 T cells into helper T cell subsets, such as Th1, Th2, and Th17 cells, is dependent on the antigen type, antigen-presenting cell, and regulatory cytokines.
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Inflammatory Bowel Disease I: Ulcerative Colitis01:27

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Inflammatory bowel disease, or IBD, encompasses a group of disorders characterized by chronic inflammation or ulceration of the gastrointestinal tract.
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Related Experiment Video

Updated: Jul 26, 2025

Single-cell Analysis of Immunophenotype and Cytokine Production in Peripheral Whole Blood via Mass Cytometry
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Single-cell Analysis of Immunophenotype and Cytokine Production in Peripheral Whole Blood via Mass Cytometry

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Systemic autoinflammatory disorders.

Dae Chul Jeong1

  • 1Division of Pediatric Clinical Immunology, Department of Pediatrics, College of Medicine, The Catholic University of Korea, Seoul, Korea.

Clinical and Experimental Pediatrics
|June 15, 2023
PubMed
Summary

Systemic autoinflammatory disorders (SAIDs) involve recurrent inflammation due to uncontrolled gene function. Diagnosis requires clinical and genetic confirmation for targeted treatment of these hereditary immune diseases.

Keywords:
Hereditary autoinflammatory diseasesInflammationInnate immunity

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Area of Science:

  • Immunology
  • Genetics
  • Dermatology

Background:

  • Inflammation is a normal defense, but Systemic Autoinflammatory Disorders (SAIDs) feature uncontrolled, recurrent inflammation.
  • SAIDs arise from genetic mutations affecting innate immunity pathways like inflammasomes and interferon production.
  • These hereditary conditions manifest with periodic fevers, skin lesions, and can be linked to immunodeficiency or allergies.

Purpose of the Study:

  • To elucidate the pathogenesis of Systemic Autoinflammatory Disorders (SAIDs).
  • To highlight the diagnostic criteria and essential role of genetic studies in SAID diagnosis.
  • To emphasize the importance of understanding immunopathology for effective SAID treatment.

Main Methods:

  • Review of clinical manifestations and genetic underpinnings of SAIDs.
  • Emphasis on differential diagnosis, excluding infections and malignancies.
  • Correlation of genetic mutations with disease presentation and treatment strategies.

Main Results:

  • SAIDs result from gene dysregulation (gain- or loss-of-function) impacting innate immunity.
  • Clinical diagnosis relies on systemic inflammation signs and requires genetic confirmation.
  • Genetic studies are crucial for suspecting SAID, even without a family history.

Conclusions:

  • Accurate diagnosis and treatment of SAIDs depend on understanding their diverse clinical features and genetic basis.
  • Targeted therapies, guided by immunopathology, are key to managing flares and preventing complications.
  • Early genetic confirmation is vital for managing these complex hereditary inflammatory conditions.