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Related Experiment Video

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Imaging Features of Systemic Sclerosis-Associated Interstitial Lung Disease
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Regulatory T Cells in Systemic Sclerosis.

Camelia Frantz1, Cedric Auffray1, Jerome Avouac1

  • 1INSERM U1016, UMR8104, Cochin Institute, Paris Descartes University, Paris, France.

Frontiers in Immunology
|October 31, 2018
PubMed
Summary

Regulatory T cells (Tregs) are crucial for immune balance. While their function is impaired in Systemic Sclerosis (SSc), their numbers show conflicting results, necessitating further research for potential therapies.

Keywords:
auto-immunityimmune toleranceregulatory T cellssystemic sclerosisthymus

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Area of Science:

  • Immunology
  • Autoimmunity
  • Rheumatology

Background:

  • Regulatory T cells (Tregs) are vital for maintaining immune self-tolerance and homeostasis.
  • Tregs play a critical role in preventing autoimmune diseases, as evidenced by studies in mice.
  • Dysregulation of Tregs is implicated in various autoimmune conditions, opening therapeutic avenues.

Purpose of the Study:

  • To investigate the role of Tregs in the pathogenesis of Systemic Sclerosis (SSc).
  • To reconcile conflicting data on Treg numbers and function in SSc patients.
  • To explore the potential of Treg-based therapies for SSc.

Main Methods:

  • Review of existing literature on Tregs in SSc.
  • Analysis of data regarding Treg quantification and functional assays in SSc.
  • Comparison of Treg characteristics in SSc with other autoimmune diseases.

Main Results:

  • A general consensus indicates decreased functional capacity of circulating Tregs in SSc.
  • Treg quantification in SSc patients yields contradictory results, with some studies showing decreased frequencies and others suggesting an increase during active disease.
  • Observed Treg alterations in SSc may represent an inefficient compensatory response to inflammation.

Conclusions:

  • Understanding Treg dynamics in SSc is crucial given their established role in other autoimmune diseases.
  • Further research is needed to clarify Treg phenotypes and functions in SSc.
  • Potential therapeutic strategies targeting Tregs in SSc warrant investigation.