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J Neurol Sci. 1979 Mar;41(1):81-91.

A histological, histochemical and biochemical study of the macroscopically normal white matter in multiple sclerosis.

Abstract

In a combined histological, biochemical and histochemical study of the macroscopically normal white matter in multipe sclerosis 72% of samples were histologically abnormal. The significance of this fact in the interpretation of previous biochemical studies and in the design of future studies is discussed. The present study showed a significant elevation of the lysosomal enzyme beta-glucosaminidase in the microscopically normal white matter in MS as compared with controls. Studies on lysosomes separated from microscopically normal or mild to moderately gliosed white matter in multiple sclerosis showed an increase in lysosomal fragility. Histochemical study of the microscopically normal white matter in multiple sclerosis revealed an increase in the number of acid phosphate-containing cells as compared with normal and neurological control material. The significance of these findings is discussed and it is suggested that irrespective of the primary or secondary nature of these abnormalities, the white matter may be rendered more susceptible to the pathogenetic process in this disease.

PMID:
438845
DOI:
10.1016/0022-510x(79)90142-4
[Indexed for MEDLINE]

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