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Quantitative Magnetic Resonance Imaging of Skeletal Muscle Disease
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[Dermatomyositis].

Manabu Fujimoto1

  • 1Department of Dermatology, Graduate School of Medicine, Osaka University.

Brain and Nerve = Shinkei Kenkyu No Shinpo
|July 11, 2023
PubMed
Summary
This summary is machine-generated.

Autoantibodies help classify dermatomyositis into distinct subsets, correlating with clinical features. Established and novel autoantibodies aid in understanding this heterogeneous autoimmune disease.

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Area of Science:

  • Rheumatology
  • Immunology
  • Dermatology

Context:

  • Dermatomyositis is a complex autoimmune condition with varied clinical presentations.
  • Accurate classification of dermatomyositis is crucial for targeted treatment and prognosis.
  • Autoantibodies serve as valuable biomarkers for disease subset identification.

Purpose:

  • To review established and novel autoantibodies associated with dermatomyositis.
  • To highlight the role of autoantibodies in classifying dermatomyositis subsets.
  • To discuss the correlation between autoantibodies and clinical phenotypes in dermatomyositis.

Summary:

  • Five key autoantibodies (anti-Mi-2, anti-melanoma differentiation-associated gene 5, anti-transcriptional intermediary factor 1, anti-nuclear matrix protein 2, and anti-small-ubiquitin-like activating enzyme) are established in dermatomyositis.
  • Recent research has identified novel autoantibodies, including anti-four-and-a-half-LIM-domain 1, anti-cell division cycle and apoptosis regulator protein 1, anti-specificity protein 4, anti-cortactin, and IgM anti-angiotensin converting enzyme 2.
  • These autoantibodies are instrumental in stratifying patients into more homogeneous subgroups based on their immunological and clinical profiles.

Impact:

  • Improved diagnostic accuracy and patient stratification in dermatomyositis.
  • Potential for developing more personalized treatment strategies based on autoantibody profiles.
  • Enhanced understanding of the underlying pathophysiology of dermatomyositis subtypes.