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Vitamin A: yet another player in multiple sclerosis pathogenesis?

Massimo Filippi1, Paolo Preziosa, Maria A Rocca

  • 1Neuroimaging Research Unit and Department of Neurology, Institute of Experimental Neurology, Division of Neuroscience, San Raffaele Scientific Institute, Vita-Salute San Raffaele University, via Olgettina, 60, 20132 Milan, Italy. filippi.massimo@hsr.it

Expert Review of Clinical Immunology
|February 9, 2013
PubMed

Insights

Vitamin A metabolites, specifically serum retinol, may influence multiple sclerosis (MS) disease activity. Higher retinol levels correlated with MRI activity, but this link disappeared after interferon-beta treatment.

Area of Science:

  • Neuroimmunology
  • Nutritional Neuroscience

Background:

  • Multiple sclerosis (MS) susceptibility involves genetic and environmental factors.
  • Vitamin D and A metabolites possess immunomodulatory properties relevant to MS.
  • Previous studies linked decreased vitamin D to MS activity.

Discussion:

  • This study investigated the association between serum retinol concentration and MS disease activity over two years.
  • Retinol levels showed a correlation with MRI-detected disease activity, but not clinical outcomes.
  • The association between retinol and MRI activity was diminished after treatment with interferon-beta 1a (IFN-β-1a).

Key Insights:

  • Serum retinol concentration is associated with subclinical disease activity in MS, as measured by MRI.
  • The immunomodulatory role of vitamin A metabolites in MS may be influenced by treatment interventions.
  • These findings highlight the potential impact of vitamin A metabolism on MS pathogenesis.

Outlook:

  • Further research is warranted to elucidate the precise mechanisms by which vitamin A metabolites affect MS.
  • Investigating vitamin A supplementation or modulation as a therapeutic strategy in MS could be beneficial.
  • Understanding the interplay between vitamin A, immune responses, and MS progression is crucial for developing targeted therapies.

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