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An update on opsoclonus.

Agnes Wong1

  • 1Department of Ophthalmology and Vision Sciences, University of Toronto, Hospital For Sick Children, Toronto, Ontario, Canada. agnes.wong@utoronto.ca

Current Opinion in Neurology
|January 12, 2007
PubMed
Summary
This summary is machine-generated.

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Opsoclonus is an autoimmune neurological disorder triggered by infections, cancers, or transplantation. Both antibody and cell-mediated immunity contribute to its development, with potential new therapies emerging.

Area of Science:

  • Neurology
  • Immunology
  • Pathophysiology

Background:

  • Opsoclonus is a rare neurological disorder characterized by abnormal eye movements.
  • Its pathogenesis involves complex immune system dysregulation.

Purpose of the Study:

  • To review the immunopathogenesis and pathophysiology of opsoclonus.
  • To highlight recent findings in autoantibody identification and therapeutic strategies.

Main Methods:

  • Literature review of studies on opsoclonus.
  • Analysis of identified autoantibodies and their targets.
  • Examination of proposed pathophysiological mechanisms.

Main Results:

  • Opsoclonus can be triggered by infections, neoplasms, celiac disease, and transplantation.

Related Experiment Videos

  • Newly identified autoantibodies (e.g., anti-CV2) and potential autoantigen locations (postsynaptic density) are discussed.
  • Cell-mediated immunity and B/T-cell recruitment in cerebrospinal fluid are implicated.
  • Rituximab shows promise as an adjunctive therapy.
  • Cerebellar fastigial nucleus disinhibition is a plausible pathophysiological mechanism.

    • Conclusions:

    • Both humoral and cell-mediated immune mechanisms are increasingly recognized in opsoclonus pathogenesis.
    • Further research is crucial for understanding opsoclonus immunopathogenesis and developing effective treatments.