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Related Experiment Video

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Author Spotlight: Achieving High-Purity In Vitro Differentiation of Th17 Cells Using Cytokine Concentration Modulation
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Epigenetics changes associated to environmental triggers in autoimmunity.

Carlos A Cañas1, Felipe Cañas2, Fabio Bonilla-Abadía1

  • 1a Department of Internal Medicine, Division of Rheumatology , Fundación Valle del Lili , Cali , Colombia and.

Autoimmunity
|September 16, 2015
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Summary

Autoimmune diseases (AIDs) involve a loss of self-tolerance. This review explores environmental factors and epigenetic changes, particularly RNA interference (RNAi) dysregulation, in AIDs like lupus.

Keywords:
Chromatin modificationDNA methylationRNA interferenceUV lightsystemic lupus erythematous

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Area of Science:

  • Immunology
  • Epigenetics
  • Genetics

Background:

  • Autoimmune diseases (AIDs) are chronic conditions resulting from a loss of immunological tolerance to self-antigens.
  • Their etiology is multifactorial, involving genetic, epigenetic, immunological, and environmental factors.
  • Epigenetic defects, including DNA demethylation and altered RNA interference (RNAi) expression, are implicated in AIDs.

Purpose of the Study:

  • To review known environmental factors influencing epigenetic regulation in AIDs.
  • To explore the mechanisms of epigenetic alterations in AIDs, with a focus on RNAi.
  • To highlight systemic lupus erythematosus as a model AID for studying these mechanisms.

Main Methods:

  • Literature review of epigenetic mechanisms in autoimmune diseases.
  • Analysis of environmental factors impacting DNA methylation and histone modifications.
  • Focus on RNA interference (RNAi) dysregulation in the context of AIDs.

Main Results:

  • Environmental factors can interfere with DNA methylation and histone modifications.
  • Specific attention is given to the less understood role of RNAi in epigenetic alterations in AIDs.
  • Systemic lupus erythematosus serves as a key example for illustrating these complex interactions.

Conclusions:

  • Epigenetic dysregulation, especially involving RNAi, is a significant factor in autoimmune disease pathogenesis.
  • Understanding these epigenetic changes is crucial for developing targeted therapies for AIDs.
  • Further research into RNAi-mediated epigenetic modifications is warranted for conditions like lupus.