glucuronic acid/עששת

הקישור נשמר בלוח

מאמריםניסויים קלינייםפטנטים

בחר סוג מיון

12 תוצאות

Crystallographic snapshots of UDP-glucuronic acid 4-epimeraseligand binding, rotation and reduction

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התחבר הרשם

UDP-glucuronic acid is converted to UDP-galacturonic acid en route to a variety of sugar-containing metabolites. This reaction is performed by a NAD⁺-dependent epimerase belonging to the short-chain dehydrogenase/reductase family. We present several high-resolution crystal structures of

Hyaluronan modulates pro-inflammatory immune activity in the mid-trimester amniotic cavity.

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התחבר הרשם

Hyaluronan (HA), which comprises repeating disaccharides of D-glucuronic acid and N-acetyl-glucosamine, is a component of the extracellular matrix. In response to infection or tissue injury HA is released into the extracellular milieu where it modulates immune activity. We hypothesized that HA is

[Histochemical identification of endogenous lectins using labelled neoglycoproteins in human head-and-neck squamous cell carcinoma].

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התחבר הרשם

According to the "Population-based cancer register" of the Federal Republic of Germany only malignant neoplasms of the buccal cavity, the pharynx and larynx as well as cancers of the respiratory tract show an increasing rate of incidence and mortality. The molecular mechanisms and etiological

Structure-function studies of the SLC17 transporter sialin identify crucial residues and substrate-induced conformational changes.

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התחבר הרשם

Salla disease and infantile sialic acid storage disorder are human diseases caused by loss of function of sialin, a lysosomal transporter that mediates H(+)-coupled symport of acidic sugars N-acetylneuraminic acid and glucuronic acid out of lysosomes. Along with the closely related vesicular

Hysteresis and Allostery in Human UDP-Glucose Dehydrogenase Require a Flexible Protein Core.

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התחבר הרשם

Human UDP-glucose dehydrogenase (hUGDH) oxidizes UDP-glucose to UDP-glucuronic acid, an essential substrate in the phase II metabolism of drugs. The activity of hUGDH is regulated by the conformation of a buried allosteric switch (T131 loop/α6 helix). Substrate binding induces the allosteric switch

Structural insights into the specificity of Xyn10B from Paenibacillus barcinonensis and its improved stability by forced protein evolution.

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התחבר הרשם

Paenibacillus barcinonensis is a soil bacterium bearing a complex set of enzymes for xylan degradation, including several secreted enzymes and Xyn10B, one of the few intracellular xylanases reported to date. The crystal structure of Xyn10B has been determined by x-ray analysis. The enzyme folds into

Investigating the in vitro metabolism of the dental resin monomers BisGMA, BisPMA, TCD-DI-HEA and UDMA using human liver microsomes and quadrupole time of flight mass spectrometry.

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התחבר הרשם

Dental resin systems have been in use for several decades. (Meth)acrylic monomers are an important part of the matrix system and are either based on BPA while others lack the BPA core. The degree of conversion during restoration is in general between 50-70 % allowing leaching from unreacted monomers

Characterization of sugar receptor expression by neoglycoproteins in oral and oropharyngeal squamous cell carcinomas.

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התחבר הרשם

Recognition of the carbohydrate part of cellular glycoconjugates by sugar receptors like lectins may contribute to biosignaling and interactions between normal and transformed cells. Such recognitions may be essential for establishing phenotypic characteristics in neoplastic cells, including

Hyaluronate effect on bacterial biofilm in ENT district infections: a review.

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התחבר הרשם

Bacterial resistance is a growing phenomenon which led the scientific community to search for new therapeutic targets, such as biofilm. A bacterial biofilm is a surface-associated agglomerate of microorganisms embedded in a self-produced extracellular polymeric matrix made of polysaccharides,

Optimization of polysaccharides extraction from watermelon rinds: Structure, functional and biological activities.

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התחבר הרשם

In the present work, optimization of hot water extraction, structural characteristics, functional properties, and biological activities of polysaccharides extracted from watermelon rinds (WMRP) were investigated. The physicochemical characteristics and the monosaccharide composition of these

Hyaluronan synthesis and degradation in cartilage and bone.

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התחבר הרשם

Hyaluronan (HA) is a large but simple glycosaminoglycan composed of repeating D-glucuronic acid, beta1-3 linked to N-acetyl-D-glucosamine beta1-4, found in body fluids and tissues, in both intra- and extracellular compartments. Despite its structural simplicity, HA has diverse functions in skeletal

Active site residues of human beta-glucuronidase. Evidence for Glu(540) as the nucleophile and Glu(451) as the acid-base residue.

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התחבר הרשם

Human beta-glucuronidase (hGUSB) is a member of family 2 glycosylhydrolases that cleaves beta-D-glucuronic acid residues from the nonreducing termini of glycosaminoglycans. Amino acid sequence and structural homology of hGUSB and Escherichia coli beta-galactosidase active sites led us to propose

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Herbal & Natural Medicine

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