Showing 1-30 of 88 results for "M7753"
Svetlana E Soboleva et al.
Biomolecules, 9(6) (2019-05-31)
Lactoferrin (LF) is a Fe3+-binding glycoprotein, that was first recognized in milk and then in other epithelial secretions and barrier body fluids to which many different functions have been attributed to LF including protection from iron-induced lipid peroxidation, immunomodulation, cell...
David C L Lam et al.
Scientific reports, 5, 12945-12945 (2015-08-11)
Cigarette smoke induces injury and neutrophilic inflammation in the airways of smokers. The stability and activity of inflammatory effectors, IL8 and neutrophil elastase (NE), can be prolonged by binding to airway heparan sulfate (HS)/syndecan-1, posing risk for developing chronic obstructive...
Lei Wang et al.
Microbial cell factories, 19(1), 157-157 (2020-08-03)
Maltoheptaose as malto-oligosaccharides with specific degree of polymerization, has wide applications in food, medicine and cosmetics industries. Currently, cyclodextrinase have been applied as prepared enzyme to prepare maltoheptaose. However, the yield and proportion of maltoheptaose was lower, which is due...
Elvia García-López et al.
Peritoneal dialysis international : journal of the International Society for Peritoneal Dialysis, 28(3), 296-304 (2008-05-14)
Plasma alpha-amylase activity is elevated in uremic patients but lower in peritoneal dialysis (PD) patients using icodextrin in comparison to healthy controls. We studied the rate by which an exogenous oligosaccharide (maltoheptaose; G7) is degraded ex vivo by amylase in...
Yasunori Nakamura et al.
Plant science : an international journal of experimental plant biology, 264, 83-95 (2017-10-04)
Functional interactions of plastidial phosphorylase (Pho1) and starch branching enzymes (BEs) from the developing rice endosperm are the focus of this study. In the presence of both Pho1 and BE, the same branched primer molecule is elongated and further branched...
Nikola Vaňková et al.
Journal of chromatography. A, 1485, 82-89 (2017-01-22)
In this work, we have investigated the predictive properties of mixed-mode retention model and oligomeric mixed-mode model, taking into account the contribution of monomeric units to the retention, in hydrophilic interaction liquid chromatography. The gradient retention times of native maltooligosaccharides...
Ye Peng et al.
Analytica chimica acta, 1050, 80-87 (2019-01-22)
N-glycome profile of serum has been considered as potential source of biomarker discovery for decades. However, the time-consuming sample preparation and difficulties in N-glycan enrichment limit N-glycome exploration and further applications. Here, a strategy for rapid N-glycome profiling of complex...
Douglas B Vieira et al.
Biochemistry and cell biology = Biochimie et biologie cellulaire, 93(6), 581-586 (2015-09-24)
Glycosphingolipids (GSLs) are hybrid molecules consisting of the sphingolipid ceramide linked to a mono- or oligo-saccharide. In comparison to other membrane lipids, the family of GSLs stands out because of the extensive variation in the carbohydrate headgroup. GSLs are cell...
Jae Kyu Lim et al.
Journal of microbiology and biotechnology, 17(8), 1242-1248 (2007-12-07)
Genomic analysis of a hyperthermophilic archaeon, Thermococcus onnurineus NA1 [1], revealed the presence of an open reading frame consisting of 1,377 bp similar to alpha-amylases from Thermococcales, encoding a 458-residue polypeptide containing a putative 25-residue signal peptide. The mature form...
Yan-Kai Tzeng et al.
Journal of mass spectrometry : JMS, 44(3), 375-383 (2008-10-30)
We report new approaches using alkali-hydroxide-doped matrices to facilitate structural characterization of neutral underivatized oligosaccharides by matrix-assisted laser desorption/ionization (MALDI) time-of-flight (TOF) MS. The approaches involved pretreatment of the analytes with NaOH or LiOH in aqueous solution, followed by mixing...
Justyna M Dobruchowska et al.
Glycobiology, 22(4), 517-528 (2011-12-06)
Recently, a novel glucansucrase (GS)-like gene (gtfB) was isolated from the probiotic bacterium Lactobacillus reuteri 121 and expressed in Escherichia coli. The purified recombinant GTFB enzyme was characterized and turned out to be inactive with sucrose, the natural GS substrate....
Shan-Shan Zhou et al.
Journal of food and drug analysis, 26(3), 1122-1137 (2018-07-07)
Angelica radix (Danggui in Chinese) used in China and Japan is derived from two species of Angelica, namely Angelica sinensis and Angelica acutiloba, respectively. The differences in quality between A. sinensis radix (ASR) and A. acutiloba radix (AAR) should be...
Shadi Toghi Eshghi et al.
ACS chemical biology, 9(9), 2149-2156 (2014-07-17)
Aberrant glycosylation is associated with most of the diseases. Direct imaging and profiling of N-glycans on tissue sections can reveal tissue-specific and/or disease-associated N-glycans, which not only could serve as molecular signatures for diagnosis but also shed light on the...
H Surangi N Jayawardena et al.
Chemical communications (Cambridge, England), 49(29), 3034-3036 (2013-03-07)
Nanoparticles conjugated with d-maltoheptaose (G7) showed a striking increase in the internalization by Escherichia coli. This applies to strains with and without the maltodextrin transport channel and particles ranging from a few to a hundred nanometers.
C M Noronha et al.
Carbohydrate polymers, 170, 15-22 (2017-05-20)
This paper describes the self-assembly of oligosaccharide-based hybrid block copolymers (BCPs) consisting of maltoheptaose (MH) and poly(methyl methacrylate) (PMMA) into 10nm scale lamellar and cylindrical phases depending on the volume fractions of MH (ϕ
Yuki Maeda et al.
Nanomaterials (Basel, Switzerland), 9(5) (2019-05-28)
Niemann-Pick type C disease (NPC) is a fatal, autosomal recessive disorder, which causes excessive accumulation of free cholesterol in endolysosomes, resulting in progressive hepatomegaly and neurodegeneration. Currently, 2-hydroxypropyl-β-cyclodextrin (HP-β-CyD) is used at a high dose for the treatment of NPC...
Byung-Hoo Lee et al.
Carbohydrate polymers, 157, 207-213 (2016-12-19)
α-Amylase first hydrolyzes starch structures to linear maltooligosaccharides and branched α-limit dextrins, then complete hydrolysis to glucose takes place through the mucosal α-glucosidases. In this study, we hydrolyzed waxy corn starch (WCS) by human pancreatic α-amylase to determine the digestion...
Ziye Zhang et al.
Food chemistry, 288, 268-275 (2019-03-25)
The allergenicity suppression of tropomyosin (TM) from Exopalaemon modestus by glycation with saccharides of different molecular sizes (glucose, maltose, maltotriose, maltopentaose and maltoheptaose) was investigated using immunoblotting, human colon epithelial cell line (Caco-2) and human basophil cell line (KU812). Glycation...
Hélène Lavanant et al.
Rapid communications in mass spectrometry : RCM, 26(11), 1311-1319 (2012-05-05)
Analysis of oligosaccharides by matrix-assisted laser desorption/ionization (MALDI) mass spectrometry often yields only alkali metal cation adducts, which results in lower fragmentation yields and difficulty to retrieve sequence information. Derivatization by reductive amination may be used to promote Y-type glycosidic...
Jana Krenkova et al.
Electrophoresis, 41(9), 684-690 (2020-02-07)
In this work, we compare labeling by two negatively charged fluorescent labels, 8-aminopyrene-1,3,6-trisulfonic acid (APTS) and 8-(2-hydrazino-2-oxoethoxy)pyrene-1,3,6-trisulfonic acid (Cascade Blue hydrazide [CBH]). Effectiveness of the labeling chemistries were investigated by 4-hydroxybenzaldehyde and maltoheptaose followed by LC/UV-MS and CE/LIF analysis, respectively....
Marko Haramija et al.
Rapid communications in mass spectrometry : RCM, 31(20), 1709-1719 (2017-08-15)
Affinity mass spectrometry (AMS) is an emerging tool in the field of the study of protein•carbohydrate complexes. However, experimental obstacles and data analysis are preventing faster integration of AMS methods into the glycoscience field. Here we show how analysis of...
Adriana Obregón et al.
Experimental parasitology, 196, 38-47 (2018-11-18)
Entamoeba histolytica harbors an extensive intracellular distribution of ubiquitin-proteasome systems important for numerous cellular processes. However, glycosylation studies of ubiquitin-proteasome components have not yet been elucidated. Here we report the partial characterization of N-linked glycosylation profile in E. histolytica ubiquitin...
Xiaoxiao Li et al.
International journal of biological macromolecules, 168, 640-648 (2020-11-22)
The inhibitory effect of β-CD on pullulanase which hydrolyzes α-1,6 glycosidic bond in starch to release more available linear substrates, limited substrate utilization thus influencing the yield of β-CD. Here, an aspartic acid residue (D465) which interacted with cyclodextrin ligand...
Lorena Moreno-Vilet et al.
Food chemistry, 237, 833-840 (2017-08-03)
Agave fructans are increasingly important in food industry and nutrition sciences as a potential ingredient of functional food, thus practical analysis tools to characterize them are needed. In view of the importance of the molecular weight on the functional properties...
Idaresit Ekaette et al.
Food chemistry, 344, 128626-128626 (2020-11-28)
Ultrasound technology offers low cost and efficiency in nanodrug production and therefore was selected to investigate the formation of rutin nanocrystals, and its incorporation in barley starch pyrodextrin. Ultrasonication of rutin (600 W in water, citric acid and NaCl media) was...
Xiaolei Li et al.
Carbohydrate polymers, 119, 134-141 (2015-01-08)
A novel method for the preparation of linear maltodextrins from cyclodextrins and starch was proposed. To accomplish this process, an amylopullulanase from hyperthermophilic archaeon Caldivirga maquilingensis (CMApu) was characterized and used. CMApu with an estimated molecular mass of 62.7 kDa...
Mieke A Nivelle et al.
Food chemistry, 295, 110-119 (2019-06-09)
Amylose (AM) and amylopectin (AP) functionality during bread making was unravelled with a temperature-controlled time domain proton nuclear magnetic resonance (TD 1H NMR) toolbox. Fermented doughs from wheat flour containing starches with atypical AP chain length distribution and/or AM to...
Structure of maltoheptaose by difference Fourier methods and a model for glycogen.
E Goldsmith et al.
Journal of molecular biology, 156(2), 411-427 (1982-04-05)
Kuan Jiang et al.
Analytical and bioanalytical chemistry, 409(2), 421-429 (2016-06-18)
Sensitive analysis of oligosaccharides by matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF MS) is significantly hampered by the low ionization efficiency of oligosaccharides. Derivatization affords a feasible way to enhance the MALDI intensities of oligosaccharides by introducing an easily ionized...
Mieke A Nivelle et al.
Food chemistry, 320, 126609-126609 (2020-03-31)
Bread crumb firming is largely determined by the properties of gluten and starch, and the transformations they undergo during bread making and storage. Amylose (AM) and amylopectin (AP) functionality in fresh and stored bread was investigated with NMR relaxometry. Bread...

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