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[Type I interferonopathies. Systemic inflammatory diseases triggered by type I interferons].

C Günther1, F Schmidt2, N König3

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Summary

Type I interferons are crucial for antiviral immunity but defects cause type I interferonopathies, leading to inflammatory disorders. Understanding these interferonopathies reveals new therapeutic targets for conditions with neurological and skin symptoms.

Keywords:
AutoimmunityAutoinflammationImmune systemMonogenic diseasesSystemic lupus erythematosus

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Area of Science:

  • Immunology
  • Virology
  • Genetics

Background:

  • Type I interferons are key in antiviral defense and immune regulation.
  • Inadequate type I interferon system activation leads to type I interferonopathies.
  • These disorders often manifest with neurological and cutaneous symptoms.

Purpose of the Study:

  • To summarize the role of type I interferons in immunity and disease.
  • To describe the clinical and genetic features of type I interferonopathies.
  • To highlight advances in understanding and potential therapeutic targets.

Main Methods:

  • Review of existing literature on type I interferons and interferonopathies.
  • Analysis of clinical and genetic data from patients with type I interferonopathies.
  • Examination of shared features with multifactorial autoimmune diseases.

Main Results:

  • Type I interferons modulate innate and adaptive immunity, reducing self-antigen tolerance.
  • Type I interferonopathies encompass a heterogeneous group of disorders.
  • Neurological and cutaneous symptoms are common, overlapping with diseases like lupus and vasculitis.

Conclusions:

  • Defects in type I interferon pathways cause significant inflammatory diseases.
  • Type I interferonopathies share features with complex autoimmune conditions.
  • Recent advances offer promising novel therapeutic strategies for these disorders.