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Serial 1H-MRS in GM2 gangliosidoses
European Journal of Pediatrics, 2007GM2 gangliosidoses are a group of neuronal storage disorders caused by deficiency in the lysosomal enzyme hexosaminidase A. Clinically, the disease is marked by a relentless encephalopathy. Proton magnetic resonance spectroscopy (1H-MRS) provides in-vivo measurement of various brain metabolites including N-acetyl aspartate+N-acetyl aspartate glutamate (
Mitra, Assadi +5 more
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Diagnosing Lysosomal Storage Disorders: The GM2 Gangliosidoses
Current Protocols in Human Genetics, 2014AbstractThe GM2 gangliosidoses are a group of autosomal recessive lysosomal storage disorders caused by defective β‐hexosaminidase. There are three clinical conditions in this group: Tay‐Sachs disease (TSD), Sandhoff disease (SD), and hexosaminidase activator deficiency. The three conditions are clinically indistinguishable.
Patricia, Hall +3 more
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2010
The GM2 gangliosidoses represent a heterogeneous group of lysosomal storage diseases characterised by the deposition of GM2 ganglioside and related glycolipids. They are inherited in an autosomal recessive manner. The basis for the various forms of GM2 gangliosidoses lies in the multifaceted catabolism of GM2 ganglioside, which requires complex ...
Margit Pavelka, Jürgen Roth
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The GM2 gangliosidoses represent a heterogeneous group of lysosomal storage diseases characterised by the deposition of GM2 ganglioside and related glycolipids. They are inherited in an autosomal recessive manner. The basis for the various forms of GM2 gangliosidoses lies in the multifaceted catabolism of GM2 ganglioside, which requires complex ...
Margit Pavelka, Jürgen Roth
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Nomenclature of GM2–gangliosidoses
Clinical Genetics, 1980As a supplement to the recently proposed systematic nomenclature for the genotypes and phenotypes of GM2–gangliosidoses (O'Brien 1978b), it is suggested that guidelines be adopted for the use of eponyms and type designations in connection with this group of sphingolipidoses.
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Glycosphingolipid degradation and animal models of GM2‐gangliosidoses
Journal of Inherited Metabolic Disease, 1998AbstractGlycosphingolipids form cell type‐specific patterns on the surface of eukaryotic cells. Degradation of glycosphingolipids requires endocytic membrane flow of plasma membrane‐derived glycosphingolipids into the lysosomes as the digesting organelles.
T, Kolter, K, Sandhoff
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2016
GM1 gangliosidosis is due to beta-galactosidase deficiency. The adult-onset form is characterized by progressive generalized dystonia, often associated with akineto-rigid Parkinsonism. Mild skeletal dysplasia and short stature are good diagnostic clues. GM2 gangliosidosis is due to beta-hexosaminidase deficiency.
Emmanuel Roze, Frédéric Sedel
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GM1 gangliosidosis is due to beta-galactosidase deficiency. The adult-onset form is characterized by progressive generalized dystonia, often associated with akineto-rigid Parkinsonism. Mild skeletal dysplasia and short stature are good diagnostic clues. GM2 gangliosidosis is due to beta-hexosaminidase deficiency.
Emmanuel Roze, Frédéric Sedel
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Therapeutic evaluation of GM2 gangliosidoses by ELISA using anti-GM2 ganglioside antibodies
Clinica Chimica Acta, 2007GM2 gangliosidoses, including Tay-Sachs disease, Sandhoff disease and the AB variant, comprise deficiencies of beta-hexosaminidase isozymes and GM2 ganglioside activator protein associated with accumulation of GM2 ganglioside (GM2) in lysosomes and neurosomatic clinical manifestations.
Daisuke, Tsuji +4 more
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Accumulated α-synuclein affects the progression of GM2 gangliosidoses
Experimental Neurology, 2016The accumulation of α-synuclein (ASyn) has been observed in several lysosomal storage diseases (LSDs) but it remains unclear if ASyn accumulation contributes to LSD pathology. ASyn also accumulates in the neurons of Sandhoff disease (SD) patients and SD model mice (Hexb-/- ASyn+/+ mice).
Kyoko Suzuki +14 more
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The GM2 gangliosidoses: pathophysiology to therapy
International Congress Series, 2001Abstract A family of extremely severe diseases, known as the glycosphingolipidoses, is caused by inherited defects in the lysosomal degradation pathway for glycosphingolipids (GSLs). In most of these disorders, GSLs accumulate in lysosomes, causing neurodegeneration and a shortened life span.
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