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1287700

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Namon Hirun et al.
Drug development and industrial pharmacy, 41(2), 194-200 (2013-11-16)
Tamarind seed xyloglucan (TSX) is generally used for drug delivery systems. Gallic acid (GA) possesses various pharmacological activities. It has a good solubility and bioavailability but short half-life. To prepare a sustained-release of GA to overcome its relatively short half-life.
Yanhua Yao et al.
PLoS genetics, 11(1), e1004968-e1004968 (2015-01-30)
Elevated proteasome activity extends lifespan in model organisms such as yeast, worms and flies. This pro-longevity effect might be mediated by improved protein homeostasis, as this protease is an integral module of the protein homeostasis network. Proteasomes also regulate cellular
Xiaobei Li et al.
Food chemistry, 166, 358-364 (2014-07-24)
The aim of this research was to study effects of drying methods on the tasty compounds of Pleurotus eryngii, a common commercial edible fungus. In order to maximally maintain the taste of P. eryngii, several different drying methods, including hot
Richard Que et al.
Biomacromolecules, 15(10), 3540-3549 (2014-08-22)
Collagen is the most abundant protein in extracellular matrices and is commonly used as a tissue engineering scaffold. However, collagen and other biopolymers from native sources can exhibit limitations when tuning mechanical and biological properties. Cysteines do not naturally occur
Klaus Lehnert et al.
Scientific reports, 5, 8484-8484 (2015-02-27)
Selective breeding has strongly reduced the genetic diversity in livestock species, and contemporary breeding practices exclude potentially beneficial rare genetic variation from the future gene pool. Here we test whether important traits arising by new mutations can be identified and
Evgenia Karousou et al.
Molecules (Basel, Switzerland), 19(6), 7959-7980 (2014-06-14)
Glycosaminoglycans (GAGs) due to their hydrophilic character and high anionic charge densities play important roles in various (patho)physiological processes. The identification and quantification of GAGs in biological samples and tissues could be useful prognostic and diagnostic tools in pathological conditions.
Shuangquan Yao et al.
Bioresource technology, 185, 21-27 (2015-03-10)
To reduce the degradation of cellulose and obtain high molecular weight of hemicellulose from the extracts, pH pre-corrected hot water pretreatment was developed by employing sodium hydroxide (3.9mol/L). The response surface model was established to optimize the extraction process. The
Radka Tušková et al.
Behavioural brain research, 284, 257-264 (2015-02-24)
The aim of study was to search for new biomarkers with a magnetic resonance technique to identify the early stages of dementia, induced by D-galactose, and evaluate Simvastatin therapy. Localized proton magnetic resonance spectroscopy measurements showed a significant decrease in
Hong Zhang et al.
Steroids, 89, 1-10 (2014-07-22)
Six new spirostane glycosides (1-6), named polygodosides A-F, one new furostanol glycoside, polygodoside G (7), one new cholestane glycoside, polygodoside H (8), and one new steroidal sapogenin, polygodosin A (9), together with thirteen known compounds (10-22) were isolated from a
Broder Rühmann et al.
Journal of chromatography. A, 1350, 44-50 (2014-05-28)
A fast carbohydrate screening platform processible in 96-well format is described. The method is suitable for the determination of various carbohydrates out of complex mixtures as obtained by acidic hydrolysis of carbohydrates polymers. The chromatographic conditions for an efficient separation
Mostafizur Mazumder et al.
Nucleic acids research, 42(14), 9514-9522 (2014-07-25)
Modularity in controlling gene expression artificially is becoming an essential aspect of synthetic biology. Artificial transcriptional control of gene expression is one of the most well-developed methods for the design of novel synthetic regulatory networks. Such networks are intended to
Jayant Nirmalkar et al.
Environmental science and pollution research international, 22(2), 1220-1231 (2014-08-19)
Organic molecular markers are important atmospheric constituents. Their formation and sources are important aspects of the study of urban and rural air quality. We collected PM10 aerosol samples from the Mahanadi Riverside Basin (MRB), a rural part of eastern central
Zhen-Bin Wang et al.
Carbohydrate polymers, 109, 49-55 (2014-05-13)
Three partially purified polysaccharides were extracted from Phellinus linteus mycelia using hot water, 1% (NH4)2C2O4, and 1.25M NaOH/0.05% NaBH4, and the extracts were named PL-W, PL-A, and, PL-N respectively. PL-N mainly comprised xylose and arabinose with a high molecular weight
Chen Chen et al.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 969, 171-180 (2014-09-01)
One challenge facing the purification of therapeutic glycoproteins by affinity chromatography is creating ligands specific for the glycan moiety. Affinity chromatography of glycoproteins is currently conducted with immobilized lectins or boronates, although biomimetic ligands could present a more desirable option.
Estéfani García-Ríos et al.
BMC genomics, 15, 1059-1059 (2014-12-05)
The wine industry needs better-adapted yeasts to grow at low temperature because it is interested in fermenting at low temperature to improve wine aroma. Elucidating the response to cold in Saccharomyces cerevisiae is of paramount importance for the selection or
Hongxiang Sun et al.
Carbohydrate polymers, 121, 388-402 (2015-02-11)
The polysaccharide from the roots of Actinidia eriantha (AEPS), a potent antitumor agent and immunological adjuvant, was investigated for the immunomodulatory effects on RAW264.7 macrophages and its molecular mechanisms. AEPS could significantly enhance the pinocytic and phagocytic activity, induce the
Masahiro Sato et al.
Biology, 2(1), 341-355 (2013-01-01)
Almost all transfection protocols for mammalian cells use a drug resistance gene for the selection of transfected cells. However, it always requires the characterization of each isolated clone regarding transgene expression, which is time-consuming and labor-intensive. In the current study
Nan Wang et al.
Carbohydrate polymers, 111, 47-55 (2014-07-20)
A neutral polysaccharide fraction (SMPA) prepared from the roots of Salvia miltiorrhiza by DEAE-cellulose and Sephadex G-100 chromatography was tested for its immune enhancing function in N-methyl-N'-nitro-nitrosoguanidine (MNNG)-induced gastric cancer rats by intragastric administration. SMPA (200mg/kg) treatment not only increased
Souvik Biswas et al.
Carbohydrate research, 405, 93-101 (2015-01-06)
The Thomsen Friedenreich antigen (TFag) disaccharide is a tumor-associated carbohydrate antigen (TACA) found primarily on carcinoma cells and rarely expressed in normal tissue. The TFag has been shown to interact with Galectin-3 (Gal-3), one in a family of β-galactoside binding
Chang-hong Yi et al.
Acta pharmacologica Sinica, 35(11), 1439-1446 (2014-09-30)
To evaluate the biochemical features and activities of a glyco-engineered form of the anti-human epidermal growth factor receptor monoclonal antibody (EGFR mAb) cetuximab in vitro. The genes encoding the Chinese hamster bisecting glycosylation enzyme (GnTIII) and anti-human EGFR mAb were
Xiaoqiang Chen et al.
Carbohydrate polymers, 112, 77-84 (2014-08-19)
Hot-water extracts were prepared from fresh tea leaves and fractionated by DEAE-cellulose DE-52 column chromatography to yield one unexplored polysaccharide-conjugate fraction TPC-L (tea polysaccharide conjugates). Chemical components, molecular weight and its distribution, water vapor sorption properties, zeta potentials and optical
Nataliya Petryk et al.
PloS one, 9(12), e112263-e112263 (2014-12-06)
The transcriptional regulator HAP4, induced by respiratory substrates, is involved in the balance between fermentation and respiration in S. cerevisiae. We identified putative orthologues of the Hap4 protein in all ascomycetes, based only on a conserved sixteen amino acid-long motif.
Tessa Moses et al.
Phytochemistry, 108, 47-56 (2014-12-03)
Cytochrome P450-dependent monooxygenases (P450s) belonging to the CYP93E subfamily catalyze the C-24 oxidation of the triterpene backbone during the biosynthesis of triterpenoid saponins, which are bioactive plant natural products. In our attempts to produce plant triterpenoids in the yeast Saccharomyces
Fei Huang et al.
Molecules (Basel, Switzerland), 19(8), 12760-12776 (2014-08-21)
Dried litchi pulp has been used in traditional remedies in China for many years to treat various diseases, and the therapeutic activity has been, at least partly, attributed to the presence of bioactive polysaccharides. Polysaccharide-protein complexes from vacuum freeze-(VF), vacuum
Zhi-Hong Ji et al.
Journal of molecular neuroscience : MN, 55(3), 678-683 (2014-09-01)
Biatractylenolide, a sesquiterpene lactone, which exerted the neuroprotective effect against glutamate-induced excitotoxicity, was isolated from Atractylodis macrocephala in our previous study. In this study, we evaluated the neuroprotective effect of biatractylenolide against D-galactose-induced memory impairment and explored the potential mechanism
Jing Yuan et al.
Virology, 476, 289-297 (2015-01-09)
Avian H9N2 influenza viruses circulating in domestic poultry populations are occasionally transmitted to humans. We report the genomic characterization of an H9N2 avian influenza virus (A/Brambling/Beijing/16/2012) first isolated from a healthy Fringilla montifringilla brambling in northern China in 2012. Phylogenetic
John C Hu et al.
PloS one, 9(12), e113978-e113978 (2014-12-24)
Vaccinations are extremely effective at combating infectious diseases. Many conserved antigen (Ag) targets, however, are poorly immunogenic. Protein subunit vaccines frequently elicit only humoral immune responses and fail to confer protection against serious intracellular pathogens. These barriers to vaccine development
Cheng-Ting Zi et al.
Bioorganic & medicinal chemistry, 23(7), 1437-1446 (2015-03-07)
A series of perbutyrylated glycosides of podophyllotoxin and its derivatives were synthesized and evaluated for their antitumor activity in vitro. Most of them exhibit cytotoxic activity against a panel of five human cancer cell lines (HL-60, SMMC-7721, A-549, MCF-7, SW480)
Renan Escalante-Chong et al.
Proceedings of the National Academy of Sciences of the United States of America, 112(5), 1636-1641 (2015-01-22)
Natural environments are filled with multiple, often competing, signals. In contrast, biological systems are often studied in "well-controlled" environments where only a single input is varied, potentially missing important interactions between signals. Catabolite repression of galactose by glucose is one
Z Cardman et al.
Applied and environmental microbiology, 80(12), 3749-3756 (2014-04-15)
In Arctic marine bacterial communities, members of the phylum Verrucomicrobia are consistently detected, although not typically abundant, in 16S rRNA gene clone libraries and pyrotag surveys of the marine water column and in sediments. In an Arctic fjord (Smeerenburgfjord) of
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