[Sphingomyelinase activity in a patient with Niemann-Pick disease]. 1989

R C Sengers, and R A Wevers, and U J van Haelst, and H L Smeets
St. Radboudziekenhuis, Nijmegen.

In a few months old baby a visceromegaly was found, without other clinical abnormalities. Using an artificial substrate a deficiency of sphingomyelinase could not be demonstrated. Histopathological examination of biopsied liver revealed a lipid storage disease. Using the natural substrate the deficiency of sphingomyelinase could be demonstrated in leucocytes and in cultured fibroblasts.

UI MeSH Term Description Entries
D007223 Infant A child between 1 and 23 months of age. Infants
D008099 Liver A large lobed glandular organ in the abdomen of vertebrates that is responsible for detoxification, metabolism, synthesis and storage of various substances. Livers
D008297 Male Males
D009542 Niemann-Pick Diseases A group of autosomal recessive disorders in which harmful quantities of lipids accumulate in the viscera and the central nervous system. They can be caused by deficiencies of enzyme activities (SPHINGOMYELIN PHOSPHODIESTERASE) or defects in intracellular transport, resulting in the accumulation of SPHINGOMYELINS and CHOLESTEROL. There are various subtypes based on their clinical and genetic differences. ASM Deficiency,ASM-Deficient Niemann-Pick Disease,Acid Sphingomyelinase Deficiency,Acid Sphingomyelinase-deficient Niemann-Pick Disease,Niemann-Pick Disease,ASM Deficiencies,ASM Deficient Niemann Pick Disease,ASM-Deficient Niemann-Pick Diseases,Acid Sphingomyelinase deficient Niemann Pick Disease,Deficiencies, ASM,Deficiencies, Acid Sphingomyelinase,Deficiency, ASM,Deficiency, Acid Sphingomyelinase,Disease, ASM-Deficient Niemann-Pick,Diseases, ASM-Deficient Niemann-Pick,Niemann Pick Disease,Niemann Pick Diseases,Niemann-Pick Disease, ASM-Deficient,Niemann-Pick Diseases, ASM-Deficient,Sphingomyelinase Deficiencies, Acid,Sphingomyelinase Deficiency, Acid
D010727 Phosphoric Diester Hydrolases A class of enzymes that catalyze the hydrolysis of one of the two ester bonds in a phosphodiester compound. EC 3.1.4. Phosphodiesterase,Phosphodiesterases,Hydrolases, Phosphoric Diester
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D013108 Sphingomyelin Phosphodiesterase An enzyme that catalyzes the hydrolysis of sphingomyelin to ceramide (N-acylsphingosine) plus choline phosphate. A defect in this enzyme leads to NIEMANN-PICK DISEASE. EC 3.1.4.12. Sphingomyelin Cholinephosphohydrolase,Sphingomyelin Cleaving Enzyme,Sphingomyelinase,Sphingomyelinase C

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