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Area of Science:

  • Immunology
  • Molecular Biology
  • Genetics

Background:

  • Interferons (IFNs) are cytokines vital for antiviral and antitumor responses via interferon-stimulated genes (ISGs) and adaptive immunity.
  • Dysregulated, prolonged IFN production disrupts homeostasis, causing severe inflammatory conditions.
  • Genetic mutations in IFN pathway mediators cause immune deficiencies and susceptibility to viral infections.

Purpose of the Study:

  • To review the role of interferons (IFNs) in human diseases.
  • To explore genetic mechanisms behind excessive IFN production and immune deficiencies.

Main Methods:

  • Review of existing evidence on IFN function in human disease.
  • Analysis of genetic mechanisms underlying IFNopathies and immune deficiencies.
  • Integration of whole genome sequencing data and signaling pathway elucidation.

Main Results:

  • Excessive IFN production and ISG signatures are diagnostic of Mendelian inborn errors of immunity (interferonopathies).
  • Loss-of-function mutations in IFN pathway mediators cause immune deficiencies and viral susceptibility.
  • IFNs and their signaling pathways are identified as key therapeutic targets.

Conclusions:

  • Interferons play a dual role in immunity, with dysregulation leading to significant pathology.
  • Understanding the genetic basis of IFNopathies and immune deficiencies is crucial for diagnosis and treatment.
  • Targeting IFN pathways offers promising therapeutic strategies for immune-related disorders.