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Toward a better understanding of type I interferonopathies: a brief summary, update and beyond 
Toward a better understanding of type I interferonopathies: a brief summary, update and beyond
  Zhong-Xun Yu, Hong-Mei Song
 [Abstract] [Full Text] [PDF]   Pageviews: 1117 Times
Background: Type I interferonopathy is a group of autoinflammatory disorders associated with prominent enhanced type I interferon signaling. The mechanisms are complex, and the clinical phenotypes are diverse. This review briefly summarized the recent progresses of type I interferonopathy focusing on the clinical and molecular features, pathogeneses, diagnoses and potential therapies.
Data sources: Original research articles and literature reviews published in PubMed-indexed journals.
Results: Type I interferonopathies include Aicardi-Goutieres syndrome, spondyloenchondro-dysplasia with immune dysregulation, stimulator of interferon genes-associated vasculopathy with onset in infancy, X-linked reticulate pigmentary disorder, ubiquitin-specifi c peptidase 18 deficiency, chronic atypical neutrophilic dermatitis with lipodystrophy, and Singleton-Merten syndrome originally. Other disorders including interferon-stimulated gene 15 deficiency and DNAse II deficiency are believed to be interferonopathies as well. Intracranial calcification, skin vasculopathy, interstitial lung disease, failure to thrive, skeletal development problems and autoimmune features are common. Abnormal responses to nucleic acid stimuli and defective regulation of protein degradation are main mechanisms in disease pathogenesis. First generation Janus kinase inhibitors including baricitinib, tofacitinib and ruxolitinib are useful for disease control. Reverse transcriptase inhibitors seem to be another option for Aicardi-Goutieres syndrome.
Conclusions: Tremendous progress has been made for the discovery of type I interferonopathies and responsible genes. Janus kinase inhibitors and other agents have potential therapeutic roles. Future basic, translational and clinical studies towards disease monitoring and powerful therapies are warranted.
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