Sandhoff's disease (type II GM2 gangliosidosis). Clinical, biochemical and ultrastructural study of a case. 1985

R Pallini, and R Berardi, and M Cioni, and M d'Ettorre, and G De Crecchio, and R Gerli, and M Minervino, and A Sammartino, and A Federico
Instituto di Clinica Oculistica, II Facoltà di Medicina e Chirurgia, Universita Degli Studi Di Napoli, Italy.

A case of GM2 gangliosidosis is reported: the diagnosis has been made by clinical findings showing macular cherry-red spot and a progressive neurologic symptomatology with epilepsy, by electron microscopic observation in conjunctival fibroblasts of numerous vacuoles ("zebra bodies") and by absence of total hexosaminidase activity in leukocytes. An abnormal increase of urinary oligosaccharides has also been found.

UI MeSH Term Description Entries
D007223 Infant A child between 1 and 23 months of age. Infants
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
D008247 Lysosomes A class of morphologically heterogeneous cytoplasmic particles in animal and plant tissues characterized by their content of hydrolytic enzymes and the structure-linked latency of these enzymes. The intracellular functions of lysosomes depend on their lytic potential. The single unit membrane of the lysosome acts as a barrier between the enzymes enclosed in the lysosome and the external substrate. The activity of the enzymes contained in lysosomes is limited or nil unless the vesicle in which they are enclosed is ruptured or undergoes MEMBRANE FUSION. (From Rieger et al., Glossary of Genetics: Classical and Molecular, 5th ed). Autolysosome,Autolysosomes,Lysosome
D009844 Oligosaccharides Carbohydrates consisting of between two (DISACCHARIDES) and ten MONOSACCHARIDES connected by either an alpha- or beta-glycosidic link. They are found throughout nature in both the free and bound form. Oligosaccharide
D010375 Pedigree The record of descent or ancestry, particularly of a particular condition or trait, indicating individual family members, their relationships, and their status with respect to the trait or condition. Family Tree,Genealogical Tree,Genealogic Tree,Genetic Identity,Identity, Genetic,Family Trees,Genealogic Trees,Genealogical Trees,Genetic Identities,Identities, Genetic,Tree, Family,Tree, Genealogic,Tree, Genealogical,Trees, Family,Trees, Genealogic,Trees, Genealogical
D003228 Conjunctiva The mucous membrane that covers the posterior surface of the eyelids and the anterior pericorneal surface of the eyeball. Bulbar Conjunctiva,Palpebral Conjunctiva,Plica Semilunaris of Conjunctiva,Plicae Semilunares of Conjunctiva,Tunica Conjunctiva,Conjunctiva, Bulbar,Conjunctiva, Palpebral,Conjunctivas
D005260 Female Females
D005347 Fibroblasts Connective tissue cells which secrete an extracellular matrix rich in collagen and other macromolecules. Fibroblast
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D001619 beta-N-Acetylhexosaminidases A hexosaminidase specific for non-reducing N-acetyl-D-hexosamine residues in N-acetyl-beta-D-hexosaminides. It acts on GLUCOSIDES; GALACTOSIDES; and several OLIGOSACCHARIDES. Two specific mammalian isoenzymes of beta-N-acetylhexoaminidase are referred to as HEXOSAMINIDASE A and HEXOSAMINIDASE B. Deficiency of the type A isoenzyme causes TAY-SACHS DISEASE, while deficiency of both A and B isozymes causes SANDHOFF DISEASE. The enzyme has also been used as a tumor marker to distinguish between malignant and benign disease. beta-N-Acetylhexosaminidase,N-Acetyl-beta-D-hexosaminidase,beta-Hexosaminidase,beta-N-Acetyl-D-hexosaminidase,beta-N-Acetyl-hexosaminidase,N Acetyl beta D hexosaminidase,beta Hexosaminidase,beta N Acetyl D hexosaminidase,beta N Acetyl hexosaminidase,beta N Acetylhexosaminidase,beta N Acetylhexosaminidases

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