Galactocerebrosidase activity in canine globoid leukodystrophy. 1977

T F Fletcher, and K Suzuki, and F B Martin

In an investigation of canine globoid leukodystrophy, cerebroside beta-galactosidase activities were assayed in 24 brains from neonatal and older dogs and in 90 canine leukocyte pellets from nine samplings. The neonatal brains had significantly less enzyme activity than the brains of older dogs, which indicates a potential complication in making neonatal and fetal enzymatic diagnoses. For leukocytes, heterozygous activities averaged 51 percent and globoid leukodystrophy activities 18 percent of mean enzyme activity of normal leukocytes. Variability of leukocyte enzyme activities among the nine samplings was large, but within each sample, variability per genotypic category was moderate. A statistical model was developed to facilitate enzyme diagnosis in the dog and, by implication, in human globoid leukodystrophy and other sphingolipidoses.

UI MeSH Term Description Entries
D007962 Leukocytes White blood cells. These include granular leukocytes (BASOPHILS; EOSINOPHILS; and NEUTROPHILS) as well as non-granular leukocytes (LYMPHOCYTES and MONOCYTES). Blood Cells, White,Blood Corpuscles, White,White Blood Cells,White Blood Corpuscles,Blood Cell, White,Blood Corpuscle, White,Corpuscle, White Blood,Corpuscles, White Blood,Leukocyte,White Blood Cell,White Blood Corpuscle
D007965 Leukodystrophy, Globoid Cell An autosomal recessive metabolic disorder caused by a deficiency of GALACTOSYLCERAMIDASE leading to intralysosomal accumulation of galactolipids such as GALACTOSYLCERAMIDES and PSYCHOSINE. It is characterized by demyelination associated with large multinucleated globoid cells, predominantly involving the white matter of the central nervous system. The loss of MYELIN disrupts normal conduction of nerve impulses. Diffuse Globoid Body Sclerosis,Galactosylceramidase Deficiency Disease,Krabbe Disease,Classic Globoid Cell Leukodystrophy,Early-Onset Globoid Cell Leukodystrophy,GALC Deficiency,Galactocerebrosidase Deficiency,Galactosylceramide Lipidosis,Galactosylceramide beta-Galactosidase Deficiency,Galactosylceramide-beta-Galactosidase Deficiency Disease,Galactosylcerebrosidase Deficiency,Galactosylsphingosine Lipidosis,Globoid Body Sclerosis, Diffuse,Globoid Cell Leukodystrophy,Globoid Cell Leukoencephalopathy,Globoid Leukodystrophy,Infantile Globoid Cell Leukodystrophy,Krabbe Leukodystrophy,Krabbe's Disease,Krabbe's Leukodystrophy,Late-Onset Globoid Cell Leukodystrophy,Leukodystrophy, Globoid Cell, Classic,Leukodystrophy, Globoid Cell, Early-Onset,Leukodystrophy, Globoid Cell, Infantile,Leukodystrophy, Globoid Cell, Late-Onset,Psychosine Lipidosis,Cell Leukodystrophies, Globoid,Cell Leukodystrophy, Globoid,Cell Leukoencephalopathies, Globoid,Cell Leukoencephalopathy, Globoid,Deficiencies, GALC,Deficiencies, Galactocerebrosidase,Deficiencies, Galactosylceramide beta-Galactosidase,Deficiency Disease, Galactosylceramidase,Deficiency Disease, Galactosylceramide-beta-Galactosidase,Deficiency Diseases, Galactosylceramidase,Deficiency Diseases, Galactosylceramide-beta-Galactosidase,Deficiency, GALC,Deficiency, Galactocerebrosidase,Deficiency, Galactosylceramide beta-Galactosidase,Disease, Galactosylceramidase Deficiency,Disease, Galactosylceramide-beta-Galactosidase Deficiency,Diseases, Galactosylceramidase Deficiency,Diseases, Galactosylceramide-beta-Galactosidase Deficiency,Early Onset Globoid Cell Leukodystrophy,GALC Deficiencies,Galactocerebrosidase Deficiencies,Galactosylceramidase Deficiency Diseases,Galactosylceramide beta Galactosidase Deficiency,Galactosylceramide beta Galactosidase Deficiency Disease,Galactosylceramide beta-Galactosidase Deficiencies,Galactosylceramide-beta-Galactosidase Deficiency Diseases,Globoid Cell Leukodystrophies,Globoid Cell Leukoencephalopathies,Globoid Leukodystrophies,Krabbes Disease,Krabbes Leukodystrophy,Late Onset Globoid Cell Leukodystrophy,Leukodystrophies, Globoid,Leukodystrophies, Globoid Cell,Leukodystrophy, Globoid,Leukodystrophy, Krabbe,Leukodystrophy, Krabbe's,Leukoencephalopathies, Globoid Cell,Leukoencephalopathy, Globoid Cell,beta-Galactosidase Deficiencies, Galactosylceramide,beta-Galactosidase Deficiency, Galactosylceramide
D001921 Brain The part of CENTRAL NERVOUS SYSTEM that is contained within the skull (CRANIUM). Arising from the NEURAL TUBE, the embryonic brain is comprised of three major parts including PROSENCEPHALON (the forebrain); MESENCEPHALON (the midbrain); and RHOMBENCEPHALON (the hindbrain). The developed brain consists of CEREBRUM; CEREBELLUM; and other structures in the BRAIN STEM. Encephalon
D004283 Dog Diseases Diseases of the domestic dog (Canis familiaris). This term does not include diseases of wild dogs, WOLVES; FOXES; and other Canidae for which the heading CARNIVORA is used. Canine Diseases,Canine Disease,Disease, Canine,Disease, Dog,Diseases, Canine,Diseases, Dog,Dog Disease
D004285 Dogs The domestic dog, Canis familiaris, comprising about 400 breeds, of the carnivore family CANIDAE. They are worldwide in distribution and live in association with people. (Walker's Mammals of the World, 5th ed, p1065) Canis familiaris,Dog
D005696 Galactosidases A family of galactoside hydrolases that hydrolyze compounds with an O-galactosyl linkage. EC 3.2.1.-. Galactosidase
D005698 Galactosylceramidase An enzyme that hydrolyzes galactose from ceramide monohexosides. Deficiency of this enzyme may cause globoid cell leukodystrophy (LEUKODYSTROPHY, GLOBOID CELL). EC 3.2.1.46. Galactocerebrosidase,Galactosylceramide Galactosidase,Galactosylceramide beta-Galactosidase,Galactosylcerebroside beta-Galactosidase,Galactosidase, Galactosylceramide,beta-Galactosidase, Galactosylceramide,beta-Galactosidase, Galactosylcerebroside
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia

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