Arylsulfatase B-deficient mucopolysaccharidosis in rats.

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Arylsulfatase B-deficient mucopolysaccharidosis in rats.

A rat colony with mucopolysaccharidosis VI was established and the clinical, pathological, and biochemical features were characterized. Affected rats had facial dysmorphia, dysostosis multiplex, and increased urinary excretion of glucosaminoglycans (GAGs). Ultrastructural studies revealed storage of GAGs throughout the reticuloendothelial cells, cartilage, and other connective tissues, but no d...

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Identification of a Novel Arylsulfatase B Gene Mutation in Three Unrelated Iranian Mucopolysaccharidosis Type-VI Patients with Different Phenotype Severity

Background: Mucopolysaccharidosis type-VI (MPS-VI), which is inherited as an autosomal recessive trait, results from the deficiency of N-acetylgalactosamine 4-sulfatase (arylsulfatase B) activity and the lysosomal accumulation of dermatan sulfate. In this study, ARSB mutation analysis was performed on three unrelated patients who were originally from the West Azerbaijan province of Iran. Method...

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Arylsulfatase B activity in cultured retinal pigment epithelium: regional studies in feline mucopolysaccharidosis VI.

Feline mucopolysaccharidosis VI (MPS VI) is a recessively inherited lysosomal storage disease resulting from a deficiency of arylsulfatase B (ASB). Previous histopathologic findings have indicated that the disease is expressed morphologically in non-pigmented retinal pigment epithelial cells (RPE) in the posterior pole and superior equatorial regions by the accumulation of vacuolated inclusions...

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Ataxia is the major neuropathological finding in arylsulfatase G-deficient mice: similarities and dissimilarities to Sanfilippo disease (mucopolysaccharidosis type III).

Deficiency of arylsulfatase G (ARSG) leads to a lysosomal storage disease in mice resembling biochemical and pathological features of the mucopolysaccharidoses and particularly features of mucopolysaccharidosis type III (Sanfilippo syndrome). Here we show that Arsg KO mice share common neuropathological findings with other Sanfilippo syndrome models and patients, but they can be clearly disting...

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Glycosaminoglycan and collagen metabolism in arylsulfatase B-deficient retinal pigment epithelium in vitro.

Regional differences in retinal pigment epithelial (RPE) cell glycosaminoglycan (GAG) and collagen metabolism were studied using cells obtained from normal cats and those with deficient activity of arylsulfatase B (ASB), a lysosomal enzyme involved in GAG catabolism. Control and ASB-deficient RPE cultures initiated from superior equatorial (superior) and inferior equatorial (inferior) regions o...

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ژورنال

عنوان ژورنال: Journal of Clinical Investigation

سال: 1993

ISSN: 0021-9738

DOI: 10.1172/jci116268