Liquid chromatography "on-flow" 1H nuclear magnetic resonance on native glycosphingolipid mixtures together with gas chromatography/mass spectrometry on the released oligosaccharides for screening and characterisation of carbohydrate-based antigens from p

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：:Influenza virus neuraminidase inhibitors (NAIs), currently used as anti-influenza drugs, can lead to the appearance of drug-resistant variants. Resistance to NAIs appears due to mutations in the active site of the neuraminidase (NA) molecule that decrease the NA enzymatic activity and sometimes in the hemagglutinin (H...

journal_title：Glycoconjugate journal

authors： Mochalova L,Bright R,Xu X,Korchagina E,Chinarev A,Bovin N,Klimov A

更新日期：2010-04-01 00:00:00

abstract：:We report the postnatal developmental profiles of N-acetylneuraminic acid cytidylyltransferase (EC 2.7.7.43) (CMP-Neu5Ac synthetase) in different rat tissues. This enzyme, which catalyses the activation of NeuAc to CMP-Neu5Ac, was detected in brain, kidney, heart, spleen, liver, stomach, intestine, lung, thymus, prost...

journal_title：Glycoconjugate journal

authors： Revilla-Nuin B,Reglero A,Feo JC,Rodriguez-Aparicio LB,Ferrero MA

更新日期：1998-03-01 00:00:00

abstract：:The current study aims to determine the healing activity of water soluble polysaccharide-rich fraction of a wild mushroom, Termitomyces eurhizus (TEps) against the indomethacin induced gastric ulceration in mice model. Gastric tissue histology, myeloperoxidase (MPO) activity, cyclooxygenases (COX) 1 and 2 expression, ...

journal_title：Glycoconjugate journal

authors： Chatterjee A,Khatua S,Chatterjee S,Mukherjee S,Mukherjee A,Paloi S,Acharya K,Bandyopadhyay SK

更新日期：2013-11-01 00:00:00

abstract：:The expression of neutral glycosphingolipids and gangliosides has been studied in human skeletal and heart muscle using indirect immunofluorescence microscopy. Transversal and longitudinal cryosections were immunostained with specific monoclonal and polyclonal antibodies against the neural glycosphingolipids lactosylc...

journal_title：Glycoconjugate journal

authors： Cacić M,Müthing J,Kracun I,Neumann U,Weber-Schürholz S

更新日期：1994-10-01 00:00:00

abstract：:Over the last few years enormous interest has been shown in the structures of the glycan moieties of various parasite surface glycoconjugates. Structures have been determined for the glyco-components of glycosylphosphatidylinositol (GPI) protein membrane anchors, for asparagine-linked oligosaccharides, and for the gly...

journal_title：Glycoconjugate journal

authors： Zamze S

更新日期：1991-12-01 00:00:00

abstract：:Alterations in cell membrane glycosylation play important role in oral carcinogenesis. The present study evaluated salivary sialylation changes i.e. total sialic acid (TSA), sialidase activity, linkage specific (α2-3 and α2-6) sialoproteins and sialyl transferase (ST) activity in controls, patients with oral precancer...

journal_title：Glycoconjugate journal

authors： Vajaria BN,Patel KR,Begum R,Patel JB,Shah FD,Joshi GM,Patel PS

更新日期：2014-12-01 00:00:00

abstract：:Diabetic mellitus is attended by the development of endothelial dysfunction which is suggested to be accompanied with a chronic low-degree of inflammation. During a chronic hepatic inflammatory response, specific changes in glycosylation of the acute phase protein alpha1-acid glycoprotein (AGP) can be detected. In thi...

journal_title：Glycoconjugate journal

authors： Poland DC,Schalkwijk CG,Stehouwer CD,Koeleman CA,van het Hof B,van Dijk W

更新日期：2001-03-01 00:00:00

abstract：:Two Arabidopsis xylosyltransferases, designated RGXT1 and RGXT2, were recently expressed in Baculovirus transfected insect cells and by use of the free sugar assay shown to catalyse transfer of D-xylose from UDP-alpha-D-xylose to L-fucose and derivatives hereof. We have now examined expression of RGXT1 and RGXT2 in Pi...

journal_title：Glycoconjugate journal

authors： Petersen BL,Egelund J,Damager I,Faber K,Jensen JK,Yang Z,Bennett EP,Scheller HV,Ulvskov P

更新日期：2009-12-01 00:00:00

abstract：:Fractions were prepared from the water-soluble components of Aspergillus fumigatus mycelium either by lectin-affinity chromatography or salt precipitation. While they varied considerably in their amino-acid composition, each contained a preponderance of aspartic and glutamic acids. 13C-NMR spectroscopy of these fracti...

journal_title：Glycoconjugate journal

authors： Hearn VM,Griffiths BL,Gorin PA

更新日期：1989-01-01 00:00:00

abstract：:The Maillard reaction was discovered in 1912 by Louis C. Maillard when he observed the browning phenomena with aroma formation in a heated solution containing a sugar and an amino acid. The Maillard reaction starts from the reactions between carbonyl groups of various sugars and amino groups of amino acids/ proteins, ...

journal_title：Glycoconjugate journal

authors： Murata M

更新日期：2020-09-10 00:00:00

abstract：:Because anti-glycolipid antibodies are involved in the onset of several neurological diseases, the reactivity of glycolipids on erythrocytes and the probability of generating the antibodies were determined to clarify the contribution of glycolipids as antigens. Anti-erythrocyte antisera reacted with the following glyc...

journal_title：Glycoconjugate journal

authors： Iwamori M,Murata M,Toyoda M,Iwamori Y

更新日期：2009-05-01 00:00:00

abstract：:Glycation (nonenzymatic glycosylation) in the human lens (cortex and nucleus) in senile (nondiabetic) and diabetic cataracts was studied by measuring the extent of early and late glycation products, the content of free epsilon-amino groups and the formation of disulfide bonds in the soluble lens proteins. There was a ...

journal_title：Glycoconjugate journal

authors： Duhaiman AS

更新日期：1995-10-01 00:00:00

abstract：:Galectins are animal lectins that can specifically bind beta-galactosides. Thirteen galectins have already been described. This review focuses on a specific member of this family: galectin-8. This galectin was discovered in prostate cancer cells eight years ago and has been studied extensively in the last few years. T...

journal_title：Glycoconjugate journal

authors： Bidon-Wagner N,Le Pennec JP

更新日期：2002-01-01 00:00:00

abstract：:Altered glycosylation of plasma proteins has been directly implicated in the pathogenesis of rheumatoid arthritis (RA). The present study investigated the changes in the Concanavalin-A (Con-A)-bound plasma proteins in the RA patients in comparison to that of the healthy controls. Two proteins (MW approximately 32 kDa ...

journal_title：Glycoconjugate journal

authors： Raghav SK,Gupta B,Agrawal C,Saroha A,Das RH,Chaturvedi VP,Das HR

更新日期：2006-05-01 00:00:00

abstract：:N-acetylglucosaminyltransferase (GnT)-IV a is a key enzyme that catalyzes the formation of the GlcNAC β1-4 branch on the core structure of complex N-Glycans, which is the common substrate for other N-acetylglucosaminyltransferases, such as GnT-III and GnT-V. Our recent study indicates that the expression of GnT-IVa in...

journal_title：Glycoconjugate journal

authors： Fan J,Wang S,Yu S,He J,Zheng W,Zhang J

更新日期：2012-08-01 00:00:00

abstract：:Human skin fibroblasts were incubated with a fluorogenic xyloside, 4-methylumbelliferyl-beta-D-xyloside (Xyl-MU), in the presence or absence of tunicamycin. The xyloside-initiated glycosaminoglycans (GAG-MUs) were isolated from the culture medium, and their structures characterized. When the cells were incubated with ...

journal_title：Glycoconjugate journal

authors： Takagaki K,Tazawa T,Munakata H,Nakamura T,Endo M

更新日期：1998-05-01 00:00:00

abstract：:RNA from four colorectal carcinoma cell lines was prepared and analysed in Northern blots using probes for the MUC2, MUC4, and MUC5AC mucin apoprotein genes. The sizes of the transcripts were very large, in the order of at least 12-16 kb. The presence of distinct bands is in contrast to earlier reports, where these tr...

journal_title：Glycoconjugate journal

authors： Baeckström D,Hansson GC

更新日期：1996-10-01 00:00:00

abstract：:In this study, the antibody 3G9-A was assayed for activity against human erythrocyte glycosphingolipids. The antibody was found to recognize glycosphingolipid components from blood group A erythrocytes but not glycosphingolipids from blood group B or O erythrocytes. Subsequent investigation revealed that the glycosphi...

journal_title：Glycoconjugate journal

authors： Briggs JB,Mandrell R,Macher BA

更新日期：1996-06-01 00:00:00

abstract：:In this study, the content, structure and residual percentages of glycosaminoglycans (GAGs) in the feces of seven breastfed newborns after ingesting a known amount of milk were studied. A comparison was made with five newborns fed with formula milk. Characterization of GAGs from milk and feces samples was performed ac...

journal_title：Glycoconjugate journal

authors： Maccari F,Mantovani V,Gabrielli O,Carlucci A,Zampini L,Galeazzi T,Galeotti F,Coppa GV,Volpi N

更新日期：2016-04-01 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：:Enzyme replacement therapy (ERT) is the worldwide standard of care for a number of mucopolysaccharidosis (MPS) diseases. We report a kinetic study of plasmatic dermatan sulfate (DS) in a 3-year-old subject affected by a severe form of MPS II during the first 10 months of ERT with Idursulfase. A strong increase in the ...

journal_title：Glycoconjugate journal

authors： Volpi N,Zampini L,Maccari F,Santoro L,Galeotti F,Galeazzi T,Gabrielli O,Coppa GV

更新日期：2013-10-01 00:00:00

abstract：:As an adjunct to existing thin layer and column chromatographic methods for the identification of glycolipids a method that utilizes the high pH anion chromatographic (HPAEC) analysis of the oligosaccharides released from the glycolipids by endoglycoceramidase has been developed. Using a Dionex Carbo Pak PA1 column an...

journal_title：Glycoconjugate journal

authors： Ruan S,Lloyd KO

更新日期：1994-06-01 00:00:00

abstract：:A monoclonal antibody (mAb 8281) specific for the terminal beta-galactose (beta Gal) of glycosphingolipids (GSL) and glycoproteins was produced from mice immunized with lipid extract from fresh acute lymphocytic leukemia (ALL) cells. Immuno-thin layer chromatography (ITLC) and competition assays with purified neutral ...

journal_title：Glycoconjugate journal

authors： Kalisiak A,Oosterwijk E,Minniti JG,Old LJ,Scheinberg DA

更新日期：1991-02-01 00:00:00

abstract：:Poly-N-acetyllactosamine (poly-LacNAc) structures have been identified as important ligands for galectin-mediated cell adhesion to extra-cellular matrix (ECM) proteins. We here present the biofunctionalization of surfaces with poly-LacNAc structures and subsequent binding of ECM glycoproteins. First, we synthesized be...

journal_title：Glycoconjugate journal

authors： Sauerzapfe B,Krenek K,Schmiedel J,Wakarchuk WW,Pelantová H,Kren V,Elling L

更新日期：2009-02-01 00:00:00

abstract：:The carbohydrate determinants, sialyl Lewis A and sialyl Lewis X, which are frequently expressed on human cancer cells, serve as ligands for a cell adhesion molecule of the selectin family, E-selectin, which is expressed on vascular endothelial cells. These carbohydrate determinants are involved in the adhesion of can...

journal_title：Glycoconjugate journal

authors： Kannagi R

更新日期：1997-08-01 00:00:00

abstract：:The sap-sucking homopteran insects, commonly known as aphids and leafhoppers are responsible for a huge amount of lost productivity of mustard, chickpea, cabbage, rice and many other important crops. Due to their unique feeding habits and ability to build up a huge population in a very short time, they are very diffic...

journal_title：Glycoconjugate journal

authors： Majumder P,Banerjee S,Das S

更新日期：2004-01-01 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：:Homology searches indicated that up to five class I α-mannosidases (glycohydrolase family 47) and eight class II α-mannosidases (glycohydrolase family 38) are encoded by the fruitfly (Drosophila melanogaster) genome. Selected example mannosidases were expressed in secreted form using the yeast Pichia pastoris. A numbe...

journal_title：Glycoconjugate journal

authors： Nemčovičová I,Šesták S,Rendić D,Plšková M,Mucha J,Wilson IB

更新日期：2013-12-01 00:00:00

abstract：:The N-glycans from soluble extracts of ten pollens were examined. The pyridylaminated oligosaccharides derived from these sources were subject to gel filtration and reverse-phase HPLC, in conjunction with exoglycosidase digests, and in some cases matrix-assisted laser desorption-ionisation mass spectrometry. In compar...

journal_title：Glycoconjugate journal

authors： Wilson IB,Altmann F

更新日期：1998-11-01 00:00:00