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Elam JS, Peterson NW. AXONAL TRANSPORT OF SULFATED GLYCOPROTEINS AND MUCOPOLYSACCHARIDES IN THE GARFISH OLFACTORY NERVE. J Neurochem 2006. [DOI: 10.1111/j.1471-4159.1976.tb04460.x-i1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Petry K, Greinix HT, Nudelman E, Eisen H, Hakomori S, Levy HL, Reichardt JK. Characterization of a novel biochemical abnormality in galactosemia: deficiency of glycolipids containing galactose or N-acetylgalactosamine and accumulation of precursors in brain and lymphocytes. BIOCHEMICAL MEDICINE AND METABOLIC BIOLOGY 1991; 46:93-104. [PMID: 1931160 DOI: 10.1016/0885-4505(91)90054-o] [Citation(s) in RCA: 65] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Classic galactosemia, an inborn error of human galactose metabolism, is characterized by a deficiency of the enzyme galactose-1-phosphate uridyltransferase (GALT). The current model for the pathophysiology of this disease ascribes most of its symptoms to the toxicity of intracellular galactose-1-phosphate (Gal-1-P), one of the substrates of GALT which accumulates in the untreated disease state. Recently, a reduction in the intracellular concentration of UDP-Gal (uridine diphosphogalactose), one of the products of GALT, has been described in treated galactosemic patients. We investigated whether galactosemic patients might also have reduced amounts of those macromolecules that depend on UDP-Gal for their biosynthesis. We report a reduction in glycolipids that contain either galactose or its derivative N-acetylgalactosamine and an accumulation of the precursors to these compounds in the brain of a neonate with galactosemia. We also found an imbalance in glycolipids in galactosemic lymphoblasts. This novel biochemical abnormality observed in galactosemic patients is not addressed by dietary galactose-restriction therapy and could explain some of the chronic neurologic and other complications of galactosemia.
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Affiliation(s)
- K Petry
- Division of Basic Sciences, Clinical Research, Fred Hutchinson Cancer Research Center, Seattle, Washington 98104
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Brunngraber EG, Webster JC. Changes in glycoprotein carbohydrate content in the aging human brain. Neurochem Res 1986; 11:579-88. [PMID: 3724964 DOI: 10.1007/bf00965327] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
There is no significant change in the concentration, per gram of fresh tissue, of the total carbohydrate associated with brain glycoproteins as the human brain ages from 25 to 85 years. Nevertheless, notable shifts in the concentration of varied types of oligosaccharides do occur. The concentration and percentage of total glycopeptide-carbohydrate recovered from the whole brain represented by the N-glycosidically linked complex sialooligosaccharides of the tri- and tetraantennary type show a marked decline with age. On the other hand, the N-linked mannose high oligosaccharides of the ovalbumin type, the N-linked biantennary sialoglycopeptides of the transferrin type, and the O-linked oligosaccharides show an increase as the brain ages. Other age related changes that were noted include an increase in the number of sulfate ester groups associated with the N-linked sialoglycopeptides and a decrease in the number of phosphorylated high mannose oligosaccharides as the brain ages.
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Somawardhana CW, Brunngraber EG. Structure of the mannose-rich oligosaccharide chains of concanavalin A-binding glycopeptides derived from beef brain glycoproteins. J Neurochem 1983; 41:321-30. [PMID: 6875540 DOI: 10.1111/j.1471-4159.1983.tb04746.x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
A neutral, mannose-rich, concanavalin A (Con A)-binding glycopeptide fraction was obtained by proteolytic digestion of defatted beef brain tissue. Hydrazinolysis followed by gel filtration of the reaction products provided three oligosaccharides. A portion of each oligosaccharide was treated by exhaustive digestion with alpha-mannosidase. Another portion was subjected to selective acetolysis of Man alpha 1 leads to 6Man linkages, providing two fragments that were recovered by gel filtration. The structure of the intact oligosaccharides, as well as the fragments obtained by selective acetolysis and enzymatic treatment, were resolved by gas-liquid chromatographic-mass spectrometric analysis. The structures of the three oligosaccharides were: (a) Man alpha 1 leads to 2Man alpha 1 leads to 6(Man alpha 1 leads to 3)Man alpha 1 leads to 6(Man alpha 1 leads to 2Man alpha 1 leads to 2Man alpha 1 leads to 3)Man beta 1 leads to 4-N-acetylglucosamine (GlcNAc)beta 1 leads to 4N-acetylglucosaminitol (GlcOLNAc); (b) Man alpha 1 leads to 2Man alpha 1 leads to 6(Man alpha 1 leads to 3)Man alpha 1 leads to 6(Man alpha 1 leads to 2Man alpha 1 leads to 3)-Man beta 1 leads to 4GlcNAc beta 1 leads to 4GlcOLNAc; and (c) Man alpha 1 leads to 6(Man alpha 1 leads to 3) Man alpha 1 leads to 6(Man alpha 1 leads to 3)Man beta 1 leads to 4GlcNAc-beta 1 leads to 4GlcOLNAc. These structures account for 15-20% of the glycoprotein-carbohydrate of whole beef brain and most of the oligosaccharides that demonstrate a high affinity for Con A. In view of the large number of Con A-binding glycoproteins in brain tissue, it appears that many of these different glycoproteins must contain structurally identical oligosaccharides.
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Brunngraber EG, Davis LG, Somawardhana CW. The metabolism and structure of phosphoglycoproteins in rat brain. Neurochem Res 1982; 7:1243-56. [PMID: 7155276 DOI: 10.1007/bf00965895] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
Glycoproteins that contain phosphohexosyl groups were found to be present in the myelin- and synaptosomal-enriched fractions as well as in the microsomes of rat brain. The kinetics of flow of intraperitoneally injected [32P]phosphate suggests that the phosphate is enzymatically added in structures found in the microsomal fraction. The newly synthesized phosphoglycoproteins then appear in the soluble fraction of the synaptosomes and in the cytosol, prior to incorporation into the membranes of the synaptosomes and myelin. Phosphoglycopeptides recovered from the phosphoglycoprotein contain 3 Mannose units per N-acetylglucosamine residue; one of the mannose residues is phosphorylated. [13C]NMR studies indicate that the phosphoglycopeptides contain a chitobiose group and more than four sugar residues. Thus, the phosphomannoglycopeptides from rat brain contain an average of 2 N-acetylglucosamine, 6 mannose, and two phosphate moieties per oligosaccharide chain. Enzymatic treatment with alpha-mannosidase failed to remove the phosphomannose, although some mannose residues were released. Thus, the phosphorylated mannose is not removed by the glycosidase and terminal nonphosphorylated mannose residues are present in the oligosaccharide. The phosphate residues are removed by treatment with alkaline phosphatase.
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Tagliavini F, Pietrini V, Gemignani F, Lechi A, Pallini R, Federico A. Anderson-Fabry's disease: neuropathological and neurochemical investigation. Acta Neuropathol 1982; 56:93-8. [PMID: 6278815 DOI: 10.1007/bf00690579] [Citation(s) in RCA: 24] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
A clinical, neuropathological and neurochemical study of a case of Anderson-Fabry's disease is described. The clinical course mainly consisted of repeated ictus with major involvement of the CNS. The neuropathological examination is dominated by severe alterations in the cerebral vessels due to glycolipid deposits on the walls, with reduction or occlusion of the lumen. This is correlated with secondary ischaemic foci scattered throughout the cortex as well as through the white matter. In addition, the cells of the cerebral cortex, thalamus, basal ganglia, amygdala, cerebellar and olivary nuclei show a marked accumulation of lipofuscin. Biochemical examination reveals a threefold increase in galactolipids due to the specific alpha-galactosidase deficiency. Cholesterol is reduced secondarily to ischaemic myelin damage. Glycosaminoglycans uronic acid is increased in cytosol and membrane-bound fractions which could be related to reactive gliosis. Glycoprotein sugars show a decrease in N-acetyl-neuraminic acid and fucose as well as an increase in hexosamines and hexoses in membrane-bound fraction, while in cytosol fraction all sugars are increased. This suggests that the alpha-galactosidase deficiency can alter not only the glycolipid but also the glycoprotein metabolism, resulting in a higher presence of hexosamines and hexoses-rich glycoproteins.
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Federico A, Robert J, Zanetta JP, Guazzi GC. Sanfilippo A syndrome (mucopolysaccharidosis III A): a neurochemical study. ITALIAN JOURNAL OF NEUROLOGICAL SCIENCES 1981; 2:119-27. [PMID: 6800974 DOI: 10.1007/bf02335431] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
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Fischer MH, Matthews LM, Arya S, Viseskul C. The composition of tuberous sclerosis grey matter. JOURNAL OF MENTAL DEFICIENCY RESEARCH 1981; 25:11-16. [PMID: 7241585 DOI: 10.1111/j.1365-2788.1981.tb00088.x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
Abstract
The chemical analysis of grey matter from a tuberous sclerosis subject indicated the presence of two different types of grey matter based on two distinctly different ganglioside concentrations. Both samples had gangliosides of reduced concentration with an abnormal composition compared to normal grey matter as evidenced from their thin-layer chromatography profiles. Analyses of the glycoprotein fraction from both samples revealed increased glycoprotein content, particularly in total carbohydrate. This observation was consistent with previous studies of angiofibromas and angiomyolipomas.
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Abstract
A biochemical study of a case affected by Creutzfeldt-Jakob disease is reported. Changes were found in soluble and insoluble proteins, glycoproteins and mucopolysaccharides and in total lipids, glycolipids, phospholipids and gangliosides. Also CNPase, choline acetyltransferase, 5'-nucleotidase and several glycosidases have an altered activity. All these data give a complete neurochemical pattern of the changes underlying the morphological and functional alterations in this disease.
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Minami R, Abo K, Kudoh T, Tsugawa S, Oyanagi K, Nakao T. Identification of keratan sulfate in liver affected by Morquio syndrome. Clin Chim Acta 1979; 93:207-13. [PMID: 156097 DOI: 10.1016/0009-8981(79)90090-1] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Glycosaminoglycan content, composition and molecular weight were determined in liver obtained from a patient with Morquio syndrome (Mucopolysaccharidosis IV). There was about a four-fold increase in glycosaminoglycan content (as hexosamine) of the affected liver as compared to the control liver. The major glycosaminoglycan accumulated in the liver was keratan sulfate, which was not found in the control liver. Chondroitin sulfates, especially chondroitin 6-sulfate, were also increased. Heparan sulfate isolated from the liver of a patient with Morquio syndrome was structurally different to that from control liver, and the glycosaminoglycans from Morquio syndrome were of a much lower molecular weight than those from control.
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Grimmonprez L, Montreuil J. Étude des fractions glycanniques des glycosphingolipides totaux de la membrane des globules lipidiques du lait de femme. Biochimie 1978. [DOI: 10.1016/s0300-9084(78)80705-6] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Brown E, Hughes RC, Watts RW. Biochemical expression of the galactosemic defect in lymphocytes and the effects on glycoprotein synthesis. Metabolism 1977; 26:1047-55. [PMID: 895536 DOI: 10.1016/0026-0495(77)90023-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Incorporation of radioactive galactose, fucose, mannose, glucosamine, and N-acetylmannosamine into acid-precipitable glycoproteins of purified peripheral blood lymphocytes froom three patients with congenital galactosemia, their healthy parents, and control subjects have been measured. In the galactosemic lymphocytes, the incorporation of galactose into acid-precipitable glycoproteins was less than 7% of values obtained with controls and the presumed heterozygotes. The incorporation of other sugars into the glycoprotein fraction did not differ significantly from normal. Attempts to demonstrate a deficiency in cell-surface galactose groups proved negative. Galactosemic lymphocytes responded well to galactose-binding mitogens and were fully sensitive to a galactose-binding toxic lectin. We conclude that a defect in the galactose-1-phosphate uridyl transferase pathway to uridine diphosphate-galactose does not affect appreciably normal carbohydrate chain assembly in galactosemic lymphocytes. However, we cannot rule out minor changes which might account for the decreased responsiveness to serotonin in an experimental animal model of galactosemia. The approaches used in this paper may be useful in detecting other inborn errors of carbohydrate metabolism.
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Abstract
A biochemical analysis was carried out on three cases of GM1-gangliosidosis which showed different clinical manifestations. These cases were classified in a previous study as Type 1, Type 2 (2B) and Type 2 (2A), an intermediate type between classical Type 1 and Type 2 (2B), by the determination of the chromatographic profile of the liver beta-galactosidase activities. Gangliosides, neutral glycolipids; phospholipids and glycopeptides were analyzed in the brain and the liver of these cases. The concentration of total ganglioside was increased in the brain in all cases. The elevation was due to an increase of GM1-ganglioside, which accounted for 63% or more of the total ganglioside, while in the control brain about 20% of the total ganglioside was GM1-ganglioside. In type 2A, increases of GM1-ganglioside and and asialo-GM1 in the liver were more prominent than those in the liver of Type 2B. The non-dialyzable glycopeptides were analyzed only in Type 2A. In the liver of Type 2A, the hexosamine and hexose contents of the non-dialyzable glycopeptides were about 10 times and 5 times higher than those of the control. These biochemical analyses revealed that Type 2A had intermediate characteristics between two Types. In this classification of the three Types, biochemical data were well correlated with clinical features.
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Elam JS, Peterson NW. Axonal transport of sulfated glycoproteins and mucopolysaccharides in the garfish olfactory nerve. J Neurochem 1976; 26:845-50. [PMID: 61253 DOI: 10.1111/j.1471-4159.1976.tb04461.x] [Citation(s) in RCA: 26] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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Brunngraber EG, Davis LG, Javaid JI, Berra B. Glycoprotein catabolism in brain tissue in the lysosomal enzyme deficiency diseases. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 1976; 68:31-48. [PMID: 820170 DOI: 10.1007/978-1-4684-7735-1_3] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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Nagashima K, Endo H, Sakakibara K, Konishi Y, Miyachi K, Wey JJ, Suzuki Y, Onisawa J. Morphological and biochemical studies of a case of mucopolysaccharidosis II (Hunter's syndrome). Pathol Int 1976; 26:115-32. [PMID: 132078 DOI: 10.1111/j.1440-1827.1976.tb03297.x] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
An autopsy case of a 19-year-old boy who had shown typical gargoyle features, strictly consistent with mucopolysaccharidosis type II (Hunter's syndrome) was reported. Histologically, cytoplasmic vacuolar change was found in hepatocytes, sinusoidal epithelium of spleen, follicular cells of thyroid, Sertoli cells of testis, chromophobe cell of pituitary and generalized fibroblast-like cells including meninges, cardiac valve and periosteum. The vacuoles consisting of membrane-bound structures with flocculus protein-like material and occasional electron dense bodies on electron microscopy, were considered to be the site of mucopolysaccharide deposition by histochemical analysis. Deposition of lipid material consistent with so-called membranous cytoplasmic body was observed in the neurons of central, peripheral and autonomic nervous system. Hepatosplenomegaly could be explained by cytoplasmic deposition, but the cause of cardiomegaly remained further to be studied. Biochemically hepatic mucopolysaccharide was identified as heparan sulfate, while in the kidney dermatan sulfate and heparan sulfate were detected. The correlation between morphology and biochemistry, and between deposition and degeneration was discussed.
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Kennedy JF. Chemical and biochemical aspects of the glycosaminoglycans and proteoglycans in health and disease. Adv Clin Chem 1976; 18:1-101. [PMID: 130790 DOI: 10.1016/s0065-2423(08)60296-6] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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Javaid JI, Hof H, Brunngraber EG. Preparation and properties of concanavalin A-binding glycopeptides derived from rat brain glycoproteins. BIOCHIMICA ET BIOPHYSICA ACTA 1975; 404:74-82. [PMID: 1182017 DOI: 10.1016/0304-4165(75)90149-x] [Citation(s) in RCA: 19] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Mannose-rich glycopeptides derived from brain glycoproteins were recovered by affinity chromatography on Concanavalin A-Sepharose. These glycopeptides, which adsorb to the lectin and are eluted with alpha-methylmannoside, constitute about 25--30% of the total glycopeptide material recovered from rat brain glycoproteins. They contain predominately mannose and N-acetylglucosamine (mannose/N-acetylglucosamine = 3), as well as small amounts of galactose and fucose. Approx. 65% of the Concanavalin A-binding glycopeptide carbohydrate was recovered after treatment with leucine aminopeptidase, gel filtration on Biogel P-4, and ion-exchange chromatography on coupled Dowex 50-hydrogen and Dowex 1-chloride columns. The purified glycopeptide fraction contained six mannose and two N-acetylglucosamine residues per aspartic acid and possessed an apparent molecular weight of about 2000 as assessed by gel filtration and amino acid analysis. Galactose and fucose were absent. Treatment of the purified glycopeptides with alpha-mannosidase drastically reduced their affinity for Concanavalin A, suggesting the presence of one or more terminal mannose residues.
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Brunngraber EG, Javaid JI. Subcellular and anatomical distribution in rat brain of glycoproteins that contain mannose-rich heteropolysaccharide chains. BIOCHIMICA ET BIOPHYSICA ACTA 1975; 404:67-73. [PMID: 1174559 DOI: 10.1016/0304-4165(75)90148-8] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Mannose-rich glycopeptides derived from brain glycoproteins were obtained by proteolysis of bovine brain tissue or subcellular fractions derived from rat brain tissue. The dialyzable mannose-rich glycopeptides were isolated by column electrophoresis and gel filtration. Theses glycopeptides contained, on the average, six mannose and two N-acetylglucosamine residues with variable amounts of fucose and galactose. Over 50% of the mannose-rich glycopeptides of rat brain were localized in the microsomal and synaptosomal fractions; myelin and the soluble fraction contained lesser amounts. None was recovered from the mitochondria. The amount, per mg protein, of mannose-rich oligosaccharide chains in the myelin exceeded the concentration found in the microsomal and synaptosomal fractions. The concentration of mannose-rich glycopeptides derived from glycoproteins was 50% higher in white matter than in gray. On the other hand, the non-dialyzable and acidic sialoglycopeptides showed a three-fold enrichment in gray matter compared to white. The relatively lower ratio of sialoglycopeptides to mannose-rich glycopeptides observed in white matter (2.5) compared to gray matter (6.9) is reflected in the lower value for the ratio in myelin (1.1) compared to synaptosomes (2.1). Although glycoproteins that contain mannose-rich oligosaccharide chains are present in the nerve cell and its terminals, these glycoproteins appear to be relatively enriched in myelin and/or glial membranes.
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Berra B, Di Palma S, Brunngraber EG. Altered levels of tissue gangliosides and glycoproteins in the infantile form of GM1-gangliosidosis. Clin Chim Acta 1974; 57:301-6. [PMID: 4434649 DOI: 10.1016/0009-8981(74)90411-2] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
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Krusius T, Finne J, Kärkkäinen J, Järnefelt J. Neutral and acidic glycopeptides in adult and developing rat brain. BIOCHIMICA ET BIOPHYSICA ACTA 1974; 365:80-92. [PMID: 4414804 DOI: 10.1016/0005-2795(74)90252-9] [Citation(s) in RCA: 75] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
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Dreyfus H, Urban PF, Bosch P, Edel-Harth S, Rebel G, Mandel P. Effect of light on gangliosides from calf retina and photoreceptors. J Neurochem 1974; 22:1073-8. [PMID: 4851657 DOI: 10.1111/j.1471-4159.1974.tb04339.x] [Citation(s) in RCA: 42] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
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Brunngraber EG, Berra B, Zambotti V. Altered levels of tissue glycoproteins, gangliosides, glycosaminoglycans and lipids in Niemann-Pick's disease. Clin Chim Acta 1973; 48:173-81. [PMID: 4271344 DOI: 10.1016/0009-8981(73)90363-x] [Citation(s) in RCA: 26] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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Haberland C, Brunngraber E, Witting L, Daniels A. Juvenile metachromatic leucodystrophy. Case report with clinical, histopathological, ultrastructural and biochemical observations. Acta Neuropathol 1973; 26:93-106. [PMID: 4763204 DOI: 10.1007/bf00697745] [Citation(s) in RCA: 23] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
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Edel-Harth S, Dreyfus H, Bosch P, Rebel G, Urban PF, Mandel P. Gangliosides of whole retina and rod outer segments. FEBS Lett 1973; 35:284-8. [PMID: 4744395 DOI: 10.1016/0014-5793(73)80305-9] [Citation(s) in RCA: 39] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
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Berra B, Brunngraber EG, Aguilar V, Aro A, Zambotti V. Gangliosides, glycoproteins, and glycosaminoglycans in Krabbe's disease. Clin Chim Acta 1973; 47:325-8. [PMID: 4271153 DOI: 10.1016/0009-8981(73)90333-1] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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32
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Brunngraber EG, Berra B, Zambotti V. Brain glycoproteins in GM1-gangliosidosis: isolation and carbohydrate composition of glycopeptides. FEBS Lett 1973; 34:350-2. [PMID: 4747848 DOI: 10.1016/0014-5793(73)80828-2] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
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Brunngraber EG, Hof H, Susz J, Brown BD, Aro A, Chang I. Glycopeptides from rat brain glycoproteins. BIOCHIMICA ET BIOPHYSICA ACTA 1973; 304:781-96. [PMID: 4726858 DOI: 10.1016/0304-4165(73)90225-0] [Citation(s) in RCA: 39] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
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Haberland C, Brunngraber E, Witting L, Brown B. The white matter in G M2 gangliosidosis. A comparative histopathological and biochemical study. Acta Neuropathol 1973; 24:43-55. [PMID: 4267001 DOI: 10.1007/bf00691417] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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Tettamanti G, Bonali F, Marchesini S, Zambotti V. A new procedure for the extraction, purification and fractionation of brain gangliosides. BIOCHIMICA ET BIOPHYSICA ACTA 1973; 296:160-70. [PMID: 4693502 DOI: 10.1016/0005-2760(73)90055-6] [Citation(s) in RCA: 501] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
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37
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Brunngraber EG, Witting LA, Haberland C, Brown B. Glycoproteins in Tay-sachs disease: isolation and carbohydrate composition of glycopeptides. Brain Res 1972; 38:151-62. [PMID: 4259417 DOI: 10.1016/0006-8993(72)90596-3] [Citation(s) in RCA: 29] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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Chemistry and Metabolism of Glycopeptides Derived from Brain Glycoproteins. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 1972. [DOI: 10.1007/978-1-4684-3216-9_2] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/13/2023]
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Brunngraber EG. Biochemistry, function, and neuropathology of the glycoproteins in brain tissue. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 1972; 32:109-33. [PMID: 4277379 DOI: 10.1007/978-1-4684-6979-0_11] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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