Volume 122, Issue s190 pp. 88-92

Assessing vitamin D in the central nervous system

T. Holmøy

T. Holmøy

Department of Neurology, Oslo University Hospital Ullevål, Oslo, Norway

Faculty of Medicine, University of Oslo, Oslo, Norway

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S. M. Moen

S. M. Moen

Department of Neurology, Oslo University Hospital Ullevål, Oslo, Norway

Faculty of Medicine, University of Oslo, Oslo, Norway

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First published: 02 June 2010
Citations: 19
Trygve Holmøy, Department of Neurology, Oslo University Hospital Ullevål, Oslo, Norway
Tel.: +47 22118080
Fax: +4723073710
e-mail: [email protected]

Conflicts of interest: TH has received consultant or speakers honorarium from Biogen, Sanofi Aventis, Merck Serono, and Novartis. SMM declares no conflict of interest.

Abstract

Holmøy T, Moen SM. Assessing vitamin D in the central nervous system. Acta Neurol Scand: 2010: 122 (Suppl. 190): 88–92. © 2010 John Wiley & Sons A/S.

Epidemiological and experimental evidence suggest that vitamin D deficiency is a risk factor for multiple sclerosis and other autoimmune diseases. The activated form of vitamin D exerts several immunomodulating properties in vitro and in vivo, that could contribute to explain the association with multiple sclerosis. Hypovitaminosis D is also associated with several other neurological diseases that is less likely mediated by dysregulated immune responses, including Parkinson’s disease and Alzheimer’s disease, schizophrenia and affective disorders, suggesting a more diverse role for vitamin D in the maintenance of brain health. Accordingly, both the vitamin D receptor and the enzymes necessary to synthesize bioactive 1,25-dihydroxyvitamin D are expressed in the brain, and hypovitaminosis D is associated with abnormal development and function of the brain. We here review current knowledge on the intrathecal vitamin D homeostasis in heath and disease, highlighting the need to assess vitamin D in the intrathecal compartment.

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