J Neuroimmunol. 1992 Oct;40(2-3):225-30.

Multiple sclerosis and vitamin B12 metabolism.

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Maudsley Hospital, London, UK.

Abstract

Multiple sclerosis (MS) is occasionally associated with vitamin B12 deficiency. Recent studies have shown an increased risk of macrocytosis, low serum and/or CSF vitamin B12 levels, raised plasma homocysteine and raised unsaturated R-binder capacity in MS. The aetiology of the vitamin B12 deficiency in MS is often uncertain and a disorder of vitamin B12 binding or transport is suspected. The nature of the association of vitamin B12 deficiency and MS is unclear but is likely to be more than coincidental. There is a remarkable similarity in the epidemiology of MS and pernicious anaemia. Vitamin B12 deficiency should always be looked for in MS. The deficiency may aggravate MS or impair recovery. There is evidence that vitamin B12 is important for myelin synthesis and integrity but further basic studies are required.

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Multiple sclerosis and vitamin B12 metabolism.
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J Neuroimmunol. 1992 Oct ;40(2-3):225-30.

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Multiple sclerosis and vitamin B12 metabolism.

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