Quantification of sialic acids in red meat by UPLC-FLD using indoxylsialosides as internal standards.

abstract：:Maackia amurensis haemagglutinin (MAH) is a leguminous lectin which preferentially binds to a cluster of sialylated O-linked carbohydrate chains (Konami Y, Yamamoto K. Osawa T, Irimura T (1994) FEBS Lett 342:334-38). In the present study a 950 bp cDNA clone encoding MAH was isolated from a cDNA library constructed fro...

journal_title：Glycoconjugate journal

authors： Yamamoto K,Ishida C,Saito M,Konami Y,Osawa T,Irimura T

更新日期：1994-12-01 00:00:00

abstract：:The main component of the ganglioside(1) mixture from the brain of the adult amphibian Xenopus laevis accounts for 35% of the total, as lipid bound sialic acid. This ganglioside has been purified and characterized by thin layer chromatography, partial and exhaustive enzymatic hydrolysis with sialidase, TLC-overlay pro...

journal_title：Glycoconjugate journal

authors： Rizzo AM,Berra B,Rossi F,Guerra A,Gornati R,Bernardini G,Taki T,Kasama T,Mauri L,Sonnino S

更新日期：2002-01-01 00:00:00

abstract：:Previous studies had established an over-expression of 9-O-acetylated sialoglycoproteins (Neu5,9Ac(2)-GPs) on lymphoblasts of childhood acute lymphoblastic leukaemia (ALL). Here, we report the discovery and characterization of sialate-O-acetyltransferase enzyme in ALL-cell lines and lymphoblasts from bone marrow of ch...

journal_title：Glycoconjugate journal

authors： Mandal C,Srinivasan GV,Chowdhury S,Chandra S,Mandal C,Schauer R,Mandal C

更新日期：2009-01-01 00:00:00

abstract：:Amphipathic sulpholipids have been shown to inhibit pancreatic serine proteases due to their detergent-like properties. To evaluate the structural requirement for this inhibitory activity, we examined the effects of various derivatives of sulphoglycolipids, some of which were prepared by deacylation with sphingolipid ...

journal_title：Glycoconjugate journal

authors： Suzuki H,Ito M,Kimura T,Iwamori Y,Iwamori M

更新日期：2000-11-01 00:00:00

abstract：:To elucidate the biological significance of the lactosylceramide (LacCer) branching in glycosphingolipid (GSL) biosynthesis, we established ganglioside GM3- and lactosylsulfatide SM3-reconstituted cells by introducing the GM3 synthase gene and the sulfotransferase gene, respectively. In SM3-expressing cells, the reduc...

journal_title：Glycoconjugate journal

authors： Inokuchi J,Kabayama K,Uemura S,Igarashi Y

更新日期：2004-01-01 00:00:00

abstract：:The partial oligosaccharide sequences of glycoconjugates and the nature of their glycosidic linkages were investigated in normal human prostate, benign prostatic hyperplasia (BPH) and prostatic carcinoma by means of lectin histochemistry, using light microscopy and Western blot analysis. The labeling pattern of BPH di...

journal_title：Glycoconjugate journal

authors： Arenas MI,Romo E,de Gaspar I,de Bethencourt FR,Sánchez-Chapado M,Fraile B,Paniagua R

更新日期：1999-07-01 00:00:00

abstract：:Mannose 6-phosphate receptor proteins (MPR 300 and 46) are type 1 transmembrane glycoproteins that mediate transport of lysosomal enzymes to lysosomes. In a recent study we have purified both receptors from goat liver and raised antibodies. An ELISA method was developed that allowed quantification of both receptors in...

journal_title：Glycoconjugate journal

authors： Suresh K,Vegiraju SR,Nadimpalli SK

更新日期：2004-01-01 00:00:00

abstract：:Both infiltrating leukocytes and soluble immunoglobulin form aggregates in synovial fluid during the inflammatory process in rheumatoid arthritis (RA). Some of these changes are probably mediated by the adhesion molecule, E-selectin, which increases its expression with disease activity. As glycosylation changes in IgG...

journal_title：Glycoconjugate journal

authors： Goodarzi MT,Axford JS,Varanasi SS,Alavi A,Cunnane G,Fitzgerald O,Turner GA

更新日期：1998-12-01 00:00:00

abstract：:Human Gb3/CD77 synthase (α1,4-galactosyltransferase) is the only known glycosyltransferase that changes acceptor specificity because of a point mutation. The enzyme, encoded by A4GALT locus, is responsible for biosynthesis of Gal(α1-4)Gal moiety in Gb3 (CD77, Pk antigen) and P1 glycosphingolipids. We showed before tha...

journal_title：Glycoconjugate journal

authors： Kaczmarek R,Mikolajewicz K,Szymczak K,Duk M,Majorczyk E,Krop-Watorek A,Buczkowska A,Czerwinski M

更新日期：2016-12-01 00:00:00

abstract：:Macrophages from various origins are known to express membrane lectins that mediate the endocytosis of mannose-bearing glycoconjugates. Most macrophage tumor cell-lines lack such receptors. In this paper we show by flow cytometry analysis that a newly generated macrophage hybridoma (2C11-12), which displays several ma...

journal_title：Glycoconjugate journal

authors： Pimpaneau V,Midoux P,Durand G,De Baetselier P,Monsigny M,Roche AC

更新日期：1989-01-01 00:00:00

abstract：:Congenital disorders of glycosylation (CDG) are genetic diseases characterized by deficient synthesis (CDG type I) and/or abnormal processing (CDG type II) of glycan moieties linked to protein and lipids. The impact of the molecular defects on protein glycosylation and in turn on the clinical phenotypes of patients wi...

journal_title：Glycoconjugate journal

authors： Sturiale L,Bianca S,Garozzo D,Terracciano A,Agolini E,Messina A,Palmigiano A,Esposito F,Barone C,Novelli A,Fiumara A,Jaeken J,Barone R

更新日期：2019-12-01 00:00:00

abstract：:In this study we report on the first mass spectrometric (MS) investigation of gangliosides and preliminary assessment of the expression and structure in normal fetal neocortex in early developmental stages: 14th (Neo14) and 16th (Neo16) gestational weeks. Ganglioside analysis was carried out using a hybrid quadrupole ...

journal_title：Glycoconjugate journal

authors： Ghiulai RM,Sarbu M,Vukelić Ž,Ilie C,Zamfir AD

更新日期：2014-04-01 00:00:00

abstract：:The N-glycan moiety of ascorbic acid oxidase from zucchini (Cucurbita pepo) has been described to be a core-pentasaccharide with a xylose [D'Andrea et al. (1988) Glycoconjugate J 5:151-7]. Ascorbic acid oxidase is sometimes used to characterize antibodies directed against carbohydrate determinants on plant glycoprotei...

journal_title：Glycoconjugate journal

authors： Altmann F

更新日期：1998-01-01 00:00:00

abstract：:The lectins Sambucus nigra agglutinin (SNA) and Ricinus communis agglutinin (RCA), specific for alpha2,6 linked sialylation, and terminal galactose respectively were used to study the occurrence, linkage and distribution of human immunoglobulin G (IgG) sialylation. SNA was shown to bind N-glycan alpha2,6-linked sialic...

journal_title：Glycoconjugate journal

authors： Dalziel M,McFarlane I,Axford JS

更新日期：1999-12-01 00:00:00

abstract：:Recently, we demonstrated that the human xylosyltransferase II (XT-II) has enzymatic activity and is able to catalyze the initial and rate-limiting step in the biosynthesis of glycosaminoglycans (GAGs) like chondroitin and dermatan sulfate, as well as heparan sulfate and heparin. Therefore, this enzyme also very likel...

journal_title：Glycoconjugate journal

authors： Müller B,Prante C,Knabbe C,Kleesiek K,Götting C

更新日期：2013-04-01 00:00:00

abstract：:Oxygen-requiring enzymes, such as Δ4-desaturase (dihydroceramide desaturase), sphingolipid Δ4-desaturase/C-4-hydroxylase, and fatty acid 2-hydroxylase are involved in ceramide synthesis. We prepared free ceramides, sphingomyelins and glycosphingolipids (GSLs) from cancer cells cultivated under conditions of normoxia a...

journal_title：Glycoconjugate journal

authors： Tanaka K,Tamiya-Koizumi K,Yamada M,Murate T,Kannagi R,Kyogashima M

更新日期：2015-11-01 00:00:00

abstract：:The importance of the surrounding lipid environment on the availability of glycolipid carbohydrate for ligand binding was demonstrated by studying the influence of phosphatidylcholine fatty acid chain length on binding of verotoxins (VT1 and VT2c) to their specific cell surface receptor, globotriaosylceramide (Gb3) in...

journal_title：Glycoconjugate journal

authors： Arab S,Lingwood CA

更新日期：1996-04-01 00:00:00

abstract：:Multidisciplinary approaches by a number of investigators have established that cell-surface carbohydrates are integral components of recognition systems regulating survival, migration, adhesion, growth and differentiation of various cells. Our own experience and contributions to this exciting field are described. We ...

journal_title：Glycoconjugate journal

authors： Muramatsu T

更新日期：2000-07-01 00:00:00

abstract：:The failure of cartilage mineralization in osteochondrotic cartilage may be due to an impaired proteoglycan production. The in vitro production of proteoglycans was therefore studied in the joint cartilage of growing pigs, aged 9-18 weeks, after incubation of cartilage samples with 35S-sulfate. Cartilage was obtained ...

journal_title：Glycoconjugate journal

authors： Ekman S,Unger E,Kjellén L

更新日期：1994-04-01 00:00:00

abstract：:Sialosyl-Le(x) (SLex) and its positional isomer sialosyl-Le(a) are the epitopes recognized by the lectin domain of E- and P-selectins. Expression of SLex in polymorphonuclear leukocytes (PMN) plays an important role in recruitment of these cells at sites of inflammation through activation of selectins. We studied expr...

journal_title：Glycoconjugate journal

authors： Ito K,Handa K,Hakomori S

更新日期：1994-06-01 00:00:00

abstract：:Fucosylated oligosaccharides have an important role in maintaining a healthy immune system and homeostatic gut microflora. This study employed a commercial β-galactosidase in the production of fucose-containing galacto-oligosaccharides (fGOS) from lactose and fucose. The production was optimized using experiment desig...

journal_title：Glycoconjugate journal

authors： Usvalampi A,Maaheimo H,Tossavainen O,Frey AD

更新日期：2018-02-01 00:00:00

abstract：:The small keratan sulphate proteoglycan, fibromodulin, has been isolated from pooled human articular cartilage. The main chain repeat region and the chain caps from the attached N-linked keratan sulphate chains have been fragmented by keratanase II digestion, and the oligosaccharides generated have been reduced and is...

journal_title：Glycoconjugate journal

authors： Lauder RM,Huckerby TN,Nieduszynski IA

更新日期：1997-08-01 00:00:00

abstract：:Since the alpha-D-galactose-(1-->3)-D-galactose epitope has been identified to be the major target in the process of hyperacute rejection of xenografts transplanted from nonprimate donors to humans, specific inhibitors of alpha-galactosyltransferases are of broad interest. Using Trypanosoma brucei, a protozoan parasit...

journal_title：Glycoconjugate journal

authors： Kolb V,Amann F,Schmidt RR,Duszenko M

更新日期：1999-09-01 00:00:00

abstract：:Reductive amination of 3-deoxy-D-manno-octulosonic acid (Kdo) with allylamine (AIIN) or 2-(4-aminophenyl)ethylamine (APEA) yields epimer pairs of 2-N-allylamino and 2-N-[2-(4-aminophenyl)ethylamino]-2,3-dideoxy-D-glycero-D-galacto- and -2,3-dideoxy-D-glycero-D-talo-octonic acid. The yields were 50-60% due to reduction...

journal_title：Glycoconjugate journal

authors： Grimmecke HD,Brade H

更新日期：1998-06-01 00:00:00

abstract：:Synthesis and antigenic reactivity of 6-O-sulfo sialylparagloboside (SPG) and sialyl Lewis X (sLeX) neo-glycolipids containing lactamized neuraminic acid are described. The suitably protected GlcNAc-beta (1-->3)-Gal-beta (1-->4)-GlcOSE derivative was glycosylated with NeuTFAc-alpha (2-->3)-Gal imidate to give NeuTFAc-...

journal_title：Glycoconjugate journal

authors： Yamaguchi M,Ishida H,Kanamori A,Kannagi R,Kiso M

更新日期：2005-03-01 00:00:00

abstract：:Two rhamnobiose-lipid preparations have been studied by fast atom bombardment (FAB) tandem mass spectrometry. The principal rhamnobiose-lipids contain the beta-hydroxydecanoyl-beta-hydroxydecanoate Rha-Rha-C10-C10 and the beta-hydroxytetradecanoyl-beta-hydroxytetradecanoate Rha-Rha-C14-C14. Both preparations contain m...

journal_title：Glycoconjugate journal

authors： Manso Pajarron A,De Koster CG,Heerma W,Schmidt M,Haverkamp J

更新日期：1993-06-01 00:00:00

abstract：:Over the past two decades, sugar chain structures of human chorionic gonadotropin (hCG) produced in healthy people, three types of trophoblastic disease, and some types of cell lines have been analyzed. The abnormal biantennary structure of hCG is a good marker for the diagnosis of malignant choriocarcinoma. In spite ...

journal_title：Glycoconjugate journal

authors： Takamatsu S,Katsumata T,Inoue N,Watanabe T,Fujibayashi Y,Takeuchi M

更新日期：2004-01-01 00:00:00

abstract：:Rotaviruses are the leading cause of childhood diarrhea. The entry of rotaviruses into the host cell is a complex process that includes several interactions of the outer layer proteins of the virus with different cell surface molecules. The fact that neuraminidase treatment of the cells, or preincubation of the virus ...

journal_title：Glycoconjugate journal

authors： Isa P,Arias CF,López S

更新日期：2006-02-01 00:00:00

abstract：:The threat of pandemic influenza is a significant concern of governments worldwide. There is a very limited and relatively expensive armament to tackle such a pandemic should it occur. This fact provides much impetus to the scientific community for the discovery of new and less expensive anti-influenza drugs. Our long...

journal_title：Glycoconjugate journal

authors： Mann MC,Islam T,Dyason JC,Florio P,Trower CJ,Thomson RJ,von Itzstein M

更新日期：2006-02-01 00:00:00

abstract：:C-Mannosylation, a protein-modification found in various eukaryotes, involves the attachment of a single mannose molecule to selected tryptophan residues of proteins. Since C-mannosyl tryptophan (CMW) was detected in human urine, it is generally thought that CMW is not catabolized inside our body and instead is excret...

journal_title：Glycoconjugate journal

authors： Hossain TJ,Manabe S,Ito Y,Iida T,Kosono S,Ueda K,Hosomi A,Inoue D,Suzuki T

更新日期：2018-04-01 00:00:00