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Related Experiment Videos

[Uric acid and multiple sclerosis].

H P Mattle1, C Lienert, I Greeve

  • 1Neurologische Klinik und Poliklinik, Universitätsspital Bern, Inselspital, Bern.

Therapeutische Umschau. Revue Therapeutique
|October 21, 2004
PubMed
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Uric acid, a natural antioxidant, may protect against multiple sclerosis (MS) by reducing inflammation and tissue damage. Lower uric acid levels are observed in MS patients, suggesting its potential as a disease marker.

Area of Science:

  • Neuroimmunology
  • Oxidative Stress Research

Context:

  • Multiple Sclerosis (MS) is a chronic central nervous system inflammatory disease.
  • Auto-reactive T-cells and monocytes are key players in MS pathogenesis.
  • Experimental allergic encephalomyelitis (EAE) is a relevant animal model for MS.

Purpose:

  • To investigate the role of uric acid as a peroxynitrite scavenger in MS.
  • To explore the relationship between uric acid levels and MS disease activity.
  • To evaluate the potential therapeutic benefits of uric acid or its precursors in MS.

Summary:

  • Nitric oxide and reactive nitrogen species, including peroxynitrite, contribute to neuronal damage and blood-brain barrier permeability in MS and EAE.
  • Uric acid, a peroxynitrite scavenger, mitigates these effects in the EAE model.

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  • Epidemiological data indicate lower uric acid levels in MS patients, correlating with disease activity.

    • Impact:

    • Uric acid shows potential as a biomarker for MS disease activity.
    • Findings support the hypothesis that radical scavengers could be beneficial in managing MS.
    • Inosine, a uric acid precursor, demonstrated preliminary positive effects in a small MS patient study, warranting further investigation.