Enzymic synthesis of the trisaccharide core region of the carbohydrate chain of N-glycoprotein.

abstract：:Based on the O-specific polysaccharides of the lipopolysaccharides (O-polysaccharides, O-antigens), strains of a clonal species Escherichia coli are classified into 184 O serogroups. In this work, structures of the O-polysaccharides of E. coli O69 and O146 were elucidated and gene clusters for their biosynthesis were ...

journal_title：Glycoconjugate journal

authors： Knirel YA,Guo X,Senchenkova SN,Perepelov AV,Liu B,Shashkov AS

更新日期：2017-02-01 00:00:00

abstract：:Using a focused glycan-gene microarray, we compared the glycosyltransferase (GT) and sulfotransferase gene expression profiles of human monocytes, dendritic cells (DCs) and macrophages (Mphis), isolated or differentiated from the same donors. Microarray analysis indicated that monocytes express transcripts for a full ...

journal_title：Glycoconjugate journal

authors： Trottein F,Schaffer L,Ivanov S,Paget C,Vendeville C,Cazet A,Groux-Degroote S,Lee S,Krzewinski-Recchi MA,Faveeuw C,Head SR,Gosset P,Delannoy P

更新日期：2009-12-01 00:00:00

abstract：:A major impediment in the analysis of glycosaminoglycans is the difficulty to cleave quantitatively the glycosidic bonds because of the stabilisation of glycosidic bonds and of the relative instability of the liberated constituents. This manuscript describes a modified procedure of methanolysis in the presence of bari...

journal_title：Glycoconjugate journal

authors： Zanetta JP,Timmerman P,Leroy Y

更新日期：1999-10-01 00:00:00

abstract：:Herein we describe a UPLC-FLD-based method for the quantification of the sialic acid content of red meat, using a synthetic neuraminic acid derivative as an internal standard. X-Gal-α-2,6-N-propionylneuraminic acid was synthesized via a chemoenzymatic pathway and its hydrolytic stability was characterized. Known quant...

journal_title：Glycoconjugate journal

authors： Yao HL,Conway LP,Wang MM,Huang K,Liu L,Voglmeir J

更新日期：2016-04-01 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：: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：: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：: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：: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：: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：:Heterologous complementation in yeast has been a successful tool for cloning and characterisation of genes from various organisms. Therefore we constructed conditionally lethal Saccharomyces cerevisiae strains by replacing the endogenous promoter from the genes of interest (glycosyltransferases) by the stringently reg...

journal_title：Glycoconjugate journal

authors： Mazhari-Tabrizi R,Blank M,Mumberg D,Funk M,Schwarz RT,Eckert V

更新日期：1999-11-01 00:00:00

abstract：:Non-acid and acid glycosphingolipids were isolated from feces of one litter of germ-free rats from day 17 to day 51. Quantitative and qualitative changes described for small intestine of conventional rats [Bouhours D, Bouhours J-F (1981) Biochem Biophys Res Commun 99:1384-89] were also found in the feces of these germ...

journal_title：Glycoconjugate journal

authors： Larson G,Midtvedt T

更新日期：1989-01-01 00:00:00

abstract：:The structures of the branched capsular polysaccharides of group B streptococcus type III (GBSIIIPS) and Streptococcus pneumoniae type 14 (Pn14PS) are identical apart from the (α2→3)-linked sialic acid in the side chains of GBSIIIPS. The present study tries to determine the minimal epitope in GBSIIIPS, using both a pa...

journal_title：Glycoconjugate journal

authors： Safari D,Dekker HA,Rijkers GT,van der Ende A,Kamerling JP,Snippe H

更新日期：2011-12-01 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：:Blood group antigen-related oligosaccharides have been implicated in growth regulation, cell mobility control and adhesion; we are therefore interested in the localization of receptors for these oligosaccharides in tumour cells. Labelled neoglycoconjugates that carry synthetic sugar structures are suitable tools to de...

journal_title：Glycoconjugate journal

authors： Kayser K,Bovin NV,Zemlyanukhina TV,Donaldo-Jacinto S,Koopmann J,Gabius HJ

更新日期：1994-08-01 00:00:00

abstract：:Humans, in contrast to other mammals, do not synthesize N-glycolyl-neuraminic acid (Neu5Gc) due to a deletion in the gene (cmah) encoding the enzyme responsible for this conversion, the cytidine monophospho-N-acetyl-neuraminic acid hydroxylase (CMP-Neu5Ac hydroxylase). The detection of considerable amounts of Neu5Gc-s...

journal_title：Glycoconjugate journal

authors： Casadesús AV,Fernández-Marrero Y,Clavell M,Gómez JA,Hernández T,Moreno E,López-Requena A

更新日期：2013-10-01 00:00:00

abstract：:A straight forward synthesis of a heptasaccharide part of the cell-wall lipopolysaccharide of Mycobacterium gordonae strain 990, known to have antigenicity, has been achieved in excellent yield. Judicious choice of protecting groups in the intermediates played a significant role throughout the synthesis. Most of the i...

journal_title：Glycoconjugate journal

authors： Panchadhayee R,Kumar Misra A

更新日期：2008-12-01 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：:The specificity of the sialic acid-binding lectin from ovine placenta was examined in detail by haemagglutination inhibition assays applying a panel of 32 synthetic sialic acid analogues. The carboxylic acid group is a prerequisite for the interaction with the lectin, the alpha-anomer of the methyl glycoside is only a...

journal_title：Glycoconjugate journal

authors： Troncoso MF,Iglesias MM,Isecke R,Todel CW,Brossmer R

更新日期：2000-10-01 00:00:00

abstract：:We have previously detected an alkali-labile and developmentally regulated antigen in rat embryonic cerebral cortex, which may be 9-O-acetylsialylated GT3 ganglioside (Hirabayashi Y, Hirota M, Suzuki Y, Matsumoto M, Obata K, Ando S (1989) Neurosci Lett 106:193-98). In this study we established a mouse monoclonal antib...

journal_title：Glycoconjugate journal

authors： Zhang G,Ji L,Kurono S,Fujita SC,Furuya S,Hirabayashi Y

更新日期：1997-11-01 00:00:00

abstract：:A water-soluble polysaccharide CSPS-2B-2 with a molecular mass of 8.8 kDa, was obtained from the fruits of Capparis spinosa L. Chemical and NMR spectral analysis verified CSPS-2B-2 was a linear poly-(1-4)-α-D-galactopyranosyluronic acid in which 12.9±0.4% of carboxyl groups existed as methyl ester and 2.6±0.1% of D-Ga...

journal_title：Glycoconjugate journal

authors： Wang H,Wang H,Shi S,Duan J,Wang S

更新日期：2012-08-01 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：:N-Acetylneuraminic acid (a sialic acid) occurs mainly as a terminal substituent of oligosaccharides of glycoconjugates. Derivatives of neuraminic acid occur widely, substituted in the amino and hydroxy side chains, as well in the C-9 carbon skeleton. These derivatives are responsible for specific functions of sialic a...

journal_title：Glycoconjugate journal

authors： Stehling P,Gohlke M,Fitzner R,Reutter W

更新日期：1998-04-01 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：:Human alpha1,3-fucosyltransferase V and -VI (hFucTV and -VI) each contain four potential N-glycosylation sites (hFucTV: Asn60, Asn105, Asn167 and Asn198 and hFucTVI: Asn46, Asn91, Asn153 and Asn184). Glycosylation of the two N-terminal potential N-glycosylation sites (hFucTV: Asn60, Asn105 and hFucTVI: Asn46 and Asn91...

journal_title：Glycoconjugate journal

authors： Christensen LL,Bross P,Ørntoft TF

更新日期：2000-12-01 00:00:00

abstract：:Disialosyl globopentaosylceramide (DSGb5) is a ganglioside originally isolated from tissue extracts of renal cell carcinoma (RCC) with metastasis. Previous in vitro experiments have suggested that DSGb5 promotes metastasis by enhancing the migration of RCC cells and downregulating NK cell cytotoxicity against RCC cell...

journal_title：Glycoconjugate journal

authors： Itoh J,Ito A,Shimada S,Kawasaki Y,Kakoi N,Saito H,Mitsuzuka K,Watanabe M,Satoh M,Saito S,Arai Y

更新日期：2017-04-01 00:00:00

abstract：:Mammalian sulfoglycolipids are comprised of two major members, sulfatide (SO(3)-3Gal-ceramide) and seminolipid (SO(3)-3Gal-alkylacylglycerol). Sulfatide is abundant in the myelin sheath and seminolipid is expressed on the spermatogenic cells. Cerebroside sulfotransferase (CST)-deficient mice generated by gene targetin...

journal_title：Glycoconjugate journal

authors： Honke K,Zhang Y,Cheng X,Kotani N,Taniguchi N

更新日期：2004-01-01 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：: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：:Frog integumentary mucin B.1 (FIM-B.1) represents a polymorphic extracellular mosaic protein which contains tandemly arranged serine/threonine-rich modules as well as cysteine-rich domains. The latter are probably important for oligomerization of FIM-B.1 and have also been found in many proteins of the complement casc...

journal_title：Glycoconjugate journal

authors： Joba W,Hoffmann W

更新日期：1996-10-01 00:00:00