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An Adoptive Transfer Model of Rheumatoid Arthritis in Mice
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Epigenetic changes in inflammatory and autoimmune diseases.

Helene Myrtue Nielsen1, Jörg Tost

  • 1Laboratory for Functional Genomics, Fondation Jean Dausset - Centre d'Etude du Polymorphisme Humain (CEPH), 27 rue Juliette Dodu, 75010, Paris, France.

Sub-Cellular Biochemistry
|November 15, 2012
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Summary

Epigenetic modifications regulate gene expression and are implicated in inflammatory and autoimmune diseases. This chapter explores epigenetic changes in T cells linked to conditions like type 1 diabetes and rheumatoid arthritis.

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Area of Science:

  • Immunology
  • Molecular Biology
  • Genetics

Background:

  • Epigenetic modifications are vital for chromatin folding and gene expression in eukaryotes.
  • Aberrant epigenetic modifications are increasingly linked to inflammatory and autoimmune diseases.
  • Understanding these epigenetic mechanisms is crucial for deciphering disease phenotypes.

Purpose of the Study:

  • To introduce the epigenetics of T cell differentiation.
  • To summarize current knowledge on aberrant epigenetic modifications in T cells associated with various diseases.
  • To highlight the role of dysfunctional T cells in autoimmune and inflammatory conditions.

Main Methods:

  • Review of existing literature on T cell epigenetics.
  • Analysis of epigenetic alterations in T cells from patients with autoimmune and inflammatory diseases.
  • Synthesis of data on epigenetic dysregulation in specific conditions.

Main Results:

  • Epigenetic modifications play a significant role in T cell differentiation.
  • Dysfunctional T cells in autoimmune and inflammatory diseases exhibit aberrant epigenetic patterns.
  • Specific epigenetic changes are associated with diseases like type 1 diabetes, rheumatoid arthritis, lupus, multiple sclerosis, IBD, and asthma.

Conclusions:

  • Epigenetics is a key factor in T cell-mediated autoimmune and inflammatory diseases.
  • Aberrant epigenetic modifications in T cells contribute to disease pathogenesis.
  • Further research into T cell epigenetics can reveal novel therapeutic targets.