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A change in the cerebrosides and sulfatides in a demyelinating nervous system. Development of the methodology and study of multiple sclerosis and Wallerian degeneration.

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This report described a new method for the microanalysis of sphingolipids and its application for the characterization of cerebrosides and sulfatides in multiple sclerosis brain and rat sciatic nerves undergoing Wallerian degeneration. Tissue was extracted with isopropanol/hexane (20:78), and the

[Microchemical studies on the nervous system. X. The cerebrosides of nerves during their degeneration].

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Nur7 is a nonsense mutation in the mouse aspartoacylase gene that causes spongy degeneration of the CNS.

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Aspartoacylase (ASPA) is an oligodendrocyte-restricted enzyme that catalyzes the hydrolysis of neuronally derived N-acetylaspartate (NAA) to acetate and aspartic acid. ASPA deficiency leads to the fatal childhood autosomal recessive leukodystrophy Canavan disease (CD). Here we demonstrate that the

Late-onset Krabbe disease initially diagnosed as cerebroside sulfatase activator deficiency.

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Clinical and biochemical findings in a male subject with progressive encephalopathy and peripheral neuropathy are presented. Early development was normal. At age 3.5 years, he had seizures associated with fever. Subsequently, there was progressive neurologic deterioration. A CT brain scan at age 4

Structural alterations of peripheral nerve monogalactosylceramides during development and Wallerian degeneration.

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The structural alterations of monogalactosylceramides in peripheral nerve were investigated during development, nerve fiber degeneration and regeneration. During early development, hydroxy cerebrosides and sulfatides were the main constituents of the monogalactosylceramides of immature rat sciatic

Retinal pigment epithelial degeneration associated with leukocytic arylsulfatase A deficiency.

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A family exhibiting a leukocytic arylsulfatase A deficiency, probably inherited in an autosomal recessive manner, differed from patients with typical metachromatic leukodystrophy in that sulfatiduria was absent and there was readily detectable cerebroside sulfatase activity. To our knowledge, this

Sulfatide storage in neurons causes hyperexcitability and axonal degeneration in a mouse model of metachromatic leukodystrophy.

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Metachromatic leukodystrophy is a lysosomal storage disorder caused by deficiency in the sulfolipid degrading enzyme arylsulfatase A (ASA). In the absence of a functional ASA gene, 3-O-sulfogalactosylceramide (sulfatide; SGalCer) and other sulfolipids accumulate. The storage is associated with

An adult case of adrenoleukodystrophy with features of olivo-ponto-cerebellar atrophy: II. Lipid biochemical studies.

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Different portions with or without demyelination or degeneration of formalin-fixed brain tissues of a patient with adrenoleukodystrophy and a control subject were applied to analyses of lipids, particularly sphingolipids and cholesteryl ester. Demyelinated area of the white matter in the occipital

Fatty acid composition of brain glycolipids in Alzheimer's disease, senile dementia, and cerebrocortical atrophy.

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Quantitative fatty acid compositions are reported for human cerebral gray matter glycolipids (gangliosides, cerebrosides, and cerebroside sulfates) in Alzheimer's disease (presenile dementia) and related disorders of the central nervous system. Although the fatty acid compositions were generally

Infantile form of so-called neuronal ceroid lipofuscinosis: lipid biochemical studies, fatty acid analysis of cerebroside sulfatides and sphingomyelin, myelin density profile and lipid composition.

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The biochemical analysis of a case of infantile neuronal ceroid lipofuscinosis, as determined by clinical and neuropathological findings, is presented. A diminished amount of solids is found, the amount of lipids is 30% of the normal as expressed in lyophilized tissue. The yield of myelin isolated

Lipid metabolism during early stages of Wallerian degeneration in the rat sciatic nerve.

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We examined changes in biosynthetic capacity of sciatic nerve during the early stages of Wallerian degeneration, utilizing a model that permits exclusion of nonresident cells from degenerating nerve. Sciatic nerve segments were placed in either 5-microns pore (allowing infiltration of nonresident

A Rare Case of Metachromatic Leukodystrophy Confirmed by Arylsulfatase A.

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Metachromatic leukodystrophy (MLD) is the rare neurometabolic disease caused by the deficiency of a lysosomal enzyme arylsulfatase A (ARSA) activity. The absence or deficiency of arylsulfatase a leads to accumulation of cerebroside sulfate within the myelinseath of the central nervous system (CNS)

Late infantile form metachromatic leukodystrophy: report of one case.

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Metachromatic leukodystrophy (MLD) is a neurodegenerative disorder with autosomal recessive inheritance, in which cerebroside sulphate (sulphatide) accumulates in the central and peripheral nervous systems due to a deficiency of arylsulphatase A. This article presents a 2-year-old boy who had

Clinical and ultrastructural ocular histopathologic studies of adult-onset metachromatic leukodystrophy.

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A twin brother and sister with adult-onset metachromatic leukodystrophy developed progressive central acuity loss and optic disk pallor. Both had normal electroretinograms and fluorescein angiography. Postmortem examination of the sister's eyes by histochemistry and electron microscopy revealed

Presymptomatic diagnosis: metachromatic leukodystrophy or pseudo arylsulphatase A deficiency?

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Diagnosis of metachromatic leukodystrophy (MLD) was established in the proband at age 27 months. An examination of the family arylsulphatase A profile revealed that the father and younger sibling, age 2 months, had very low enzyme activities like the proband. The father, in all likelihood, had the

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