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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.
Concept and Mechanism of Autoimmune Diseases
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Immunodeficiency Diseases01:25

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Immunodeficiency disorders are conditions in which the immune system's ability to fight infectious disease and cancer is compromised or entirely absent. The immune system comprises a complex network of cells, tissues, and organs that work together to protect the body from potentially harmful invaders. When this system is deficient or not functioning properly, it leaves the body susceptible to infections, diseases, or other complications.
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Autism Spectrum Disorder01:19

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Meiosis vs. Mitosis02:57

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Cell division is necessary for growth and reproduction in organisms. Mitosis aids cell growth and development by dividing somatic cells. In contrast, meiosis causes the division of germ cells and plays an essential role in sexual reproduction. Due to their unique functional requirements, mitosis and meiosis differ from each other in multiple aspects.
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Related Experiment Video

Updated: Jun 23, 2025

A High-Throughput Electrochemiluminescence 7-Plex Assay Simultaneously Screening for Type 1 Diabetes and Multiple Autoimmune Diseases
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Down Syndrome and Autoimmune Disease.

Brian Hom1, Natalie K Boyd2, Benjamin N Vogel2

  • 1Keck School of Medicine at the University of Southern California, Los Angeles, CA, USA.

Clinical Reviews in Allergy & Immunology
|June 24, 2024
PubMed
Summary

Individuals with Down syndrome have a higher risk of autoimmune diseases due to chromosome 21 abnormalities impacting immune function. Early detection and management are crucial for improving their quality of life.

Keywords:
AutoimmunityChromosome 21Down syndromeImmune dysregulation

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Area of Science:

  • Immunology
  • Genetics
  • Endocrinology

Background:

  • Down syndrome (DS), the most common genetic cause of intellectual disability, is linked to increased autoimmune disorders.
  • Immune dysregulation associated with chromosome 21 triplication may underlie the high prevalence of autoimmune conditions in DS.
  • Increased life expectancy in DS necessitates a better understanding of associated autoimmune diseases.

Purpose of the Study:

  • To review common autoimmune conditions in individuals with Down syndrome.
  • To explore the underlying mechanisms contributing to immune dysregulation in DS.
  • To emphasize the importance of early identification and management of autoimmune diseases in DS.

Main Methods:

  • This is a comprehensive review of existing literature.
  • The review synthesitsizes data on the epidemiology and clinical features of autoimmune disorders in DS.
  • Mechanisms of immune dysregulation related to chromosome 21 are explored.

Main Results:

  • Individuals with DS exhibit significantly higher rates of Hashimoto's thyroiditis, Celiac Disease, alopecia areata, and vitiligo compared to the general population.
  • Chromosome 21 plays a role in interferon activation, cytokine production, and B-cell activation, potentially driving autoimmunity.
  • Specific prevalence rates highlight the disproportionate burden of autoimmune disease in DS.

Conclusions:

  • The genetic and immune factors associated with Down syndrome contribute to a high prevalence of autoimmune diseases.
  • Understanding these mechanisms is vital for developing targeted diagnostic and therapeutic strategies.
  • Proactive management of autoimmune conditions can significantly enhance the well-being of individuals with Down syndrome.