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Related Concept Videos

Autoimmune Disorders01:29

Autoimmune Disorders

374
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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Mutations01:39

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Organisms are capable of detecting and fixing nucleotide mismatches that occur during DNA replication. This sophisticated process requires identifying the new strand and replacing the erroneous bases with correct nucleotides. Mismatch repair is coordinated by many proteins in both prokaryotes and eukaryotes.
The Mutator Protein Family Plays a Key Role in DNA Mismatch Repair
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Genome-wide Association Studies-GWAS01:11

Genome-wide Association Studies-GWAS

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Genome-wide association studies or GWAS are used to identify whether common SNPs are associated with certain diseases. Suppose specific SNPs are more frequently observed in individuals with a particular disease than those without the disease. In that case, those SNPs are said to be associated with the disease. Chi-square analysis is performed to check the probability of the allele likely to be associated with the disease.
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What is the Immune System?01:38

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Translation01:31

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Translation is the process of synthesizing proteins from the genetic information carried by messenger RNA (mRNA). Following transcription, it constitutes the final step in the expression of genes. This process is carried out by ribosomes, complexes of protein and specialized RNA molecules. Ribosomes, transfer RNA (tRNA), and other proteins produce a chain of amino acids—the polypeptide—as the end product of translation.
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Generation of a Mouse Spontaneous Autoimmune Thyroiditis Model
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Aire Mutations and Autoimmune Diseases.

Anette S B Wolff1,2, Bergithe E Oftedal3

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Autoimmune diseases arise from the immune system attacking the body, affecting 10% of people. Understanding their genetic and environmental causes is crucial for developing better treatments beyond symptom management.

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Area of Science:

  • Immunology
  • Genetics
  • Pathology

Background:

  • Autoimmune diseases involve the immune system failing to distinguish self from non-self, leading to tissue damage.
  • These conditions affect approximately 10% of the global population, causing chronic illness and premature death.
  • Current treatments primarily offer symptomatic relief, highlighting a need for mechanism-based therapies.

Purpose of the Study:

  • To define autoimmune diseases and their impact on public health.
  • To underscore the limitations of current therapeutic approaches.
  • To emphasize the need for research into disease mechanisms and novel treatments.

Main Methods:

  • Literature review of autoimmune disease definitions and epidemiology.
  • Analysis of current therapeutic strategies and their outcomes.
  • Exploration of etiological factors, including genetic and environmental influences.

Main Results:

  • Autoimmune diseases are characterized by self-intolerance and aberrant immune responses (T-cell or B-cell mediated).
  • They encompass systemic and organ-specific conditions, often co-occurring.
  • Diseases like autoimmune polyendocrine syndrome type 1 (APS-1) have identified genetic causes (AIRE gene mutations).

Conclusions:

  • Autoimmune diseases represent a significant global health burden requiring advanced diagnostic and therapeutic solutions.
  • Elucidating complex genetic and environmental interactions is key to understanding disease pathogenesis.
  • Targeted therapies addressing underlying mechanisms are needed to improve patient outcomes and reduce mortality.