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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
Yanmei Zou et al.
Tumour biology : the journal of the International Society for Oncodevelopmental Biology and Medicine, 36(7), 5179-5186 (2015-02-06)
In the present study, we investigated the effects and action mechanisms of a purified polysaccharide (APWP) from Andrographis paniculata, on human hepatocellular carcinoma (HCC) HepG2 cells. The results showed that APWP was able to suppress the proliferation of HepG2 cells
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
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
Courtney J Banks et al.
Molecular and cellular biology, 37(20) (2017-07-26)
In this study, we employed proteomics to identify mechanisms of posttranslational regulation on cell survival signaling proteins. We focused on Cu-Zn superoxide dismutase (SOD1), which protects cells from oxidative stress. We found that acylation of K122 on SOD1, while not
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
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
Yoshimi Endo Greer et al.
Oncotarget, 9(26), 18454-18479 (2018-05-03)
We report a novel mechanism of action of ONC201 as a mitochondria-targeting drug in cancer cells. ONC201 was originally identified as a small molecule that induces transcription of TNF-related apoptosis-inducing ligand (TRAIL) and subsequently kills cancer cells by activating TRAIL
Cecilia Guerrero et al.
Journal of biotechnology, 209, 31-40 (2015-06-17)
Lactulose and galacto-oligosaccharides (GOS) are well recognized prebiotics derived from lactose. In the synthesis of lactulose with β-galactosidases GOS are also produced, but the ratio of lactulose and GOS in the product can be tuned at will, depending on the
Hye-Jin Lee et al.
Bioresource technology, 191, 445-451 (2015-03-26)
The aim of this work was to apply the evolutionary engineering to construct a mutant Saccharomyces cerevisiae HJ7-14 resistant on 2-deoxy-D-glucose and with an enhanced ability of bioethanol production from galactose, a mono-sugar in red algae. In batch and repeated-batch
Aleix Gavaldà-Navarro et al.
Scientific reports, 5, 13717-13717 (2015-09-04)
FGF21 is a hormonal factor with important functions in the control of metabolism. FGF21 is found in rodent and human milk. Radiolabeled FGF21 administered to lactating dams accumulates in milk and is transferred to neonatal gut. The small intestine of
Kevin Axelrod et al.
eLife, 4 (2015-08-25)
Microorganisms often exhibit a history-dependent phenotypic response after exposure to a stimulus which can be imperative for proper function. However, cells frequently experience unexpected environmental perturbations that might induce phenotypic switching. How cells maintain phenotypic states in the face of
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.
Kwang Hoon Sung et al.
Biochemical and biophysical research communications, 453(3), 642-647 (2014-10-12)
When mRNAs lack stop codons, errors in gene expression and coding of aberrant proteins that are harmful in cells can result. In Saccharomyces cerevisiae, a 180-kDa E3-ubiquitin ligase, Ltn1 has been known to associate with ribosomes and marks translationally-arrested aberrant
Bartosz Kazłowski et al.
Carbohydrate polymers, 122, 351-358 (2015-03-31)
A series of neoagaro-oligosaccharides (NAOS) were prepared by β-agarase digestion and agaro-oligosaccharides (AOS) by HCl hydrolysis from agarose with defined quantity and degree of polymerization (DP). Chain-length distribution in the crude product mixtures were monitored by two high performance anion
Ana M Brokate-Llanos et al.
Genetics, 198(4), 1559-1569 (2014-10-10)
Type III galactosemia is a metabolic disorder caused by reduced activity of UDP-galactose-4-epimerase, which participates in galactose metabolism and the generation of various UDP-sugar species. We characterized gale-1 in Caenorhabditis elegans and found that a complete loss-of-function mutation is lethal
Nicholas Jones et al.
Nature communications, 12(1), 1209-1209 (2021-02-24)
Fructose intake has increased substantially throughout the developed world and is associated with obesity, type 2 diabetes and non-alcoholic fatty liver disease. Currently, our understanding of the metabolic and mechanistic implications for immune cells, such as monocytes and macrophages, exposed
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
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
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
T R Baú et al.
International journal of food sciences and nutrition, 66(8), 845-850 (2015-10-16)
The objective of this study was to evaluate the changes in oligosaccharides and isoflavone aglycone content in soymilk during fermentation with commercial kefir culture. Soymilk was fermented with kefir culture at 25 °C for 30 h. The counts of lactic acid bacteria
Amandine Bonnet et al.
Nucleic acids research, 43(8), 4249-4261 (2015-04-08)
Several nuclear pore-associated factors, including the SUMO-protease Ulp1, have been proposed to prevent the export of intron-containing messenger ribonucleoparticles (mRNPs) in yeast. However, the molecular mechanisms of this nuclear pore-dependent mRNA quality control, including the sumoylated targets of Ulp1, have
Qiaoyou Weng et al.
FASEB journal : official publication of the Federation of American Societies for Experimental Biology, 34(4), 5420-5434 (2020-02-23)
Activated oncogenes and loss of tumor suppressors contribute to reprogrammed energy metabolism and induce aerobic glycolysis, also known as Warburg effect. MicroRNAs are profoundly implicated in human malignancies by inhibiting translation of multiple mRNA targets. Using hepatocellular carcinoma (HCC) molecular
Ana Maranha et al.
Scientific reports, 5, 13610-13610 (2015-09-02)
Mycobacteria synthesize unique intracellular methylglucose lipopolysaccharides (MGLP) proposed to modulate fatty acid metabolism. In addition to the partial esterification of glucose or methylglucose units with short-chain fatty acids, octanoate was invariably detected on the MGLP reducing end. We have identified
Lorenz Gerber et al.
The New phytologist, 203(4), 1220-1230 (2014-06-13)
The biosynthesis of wood in aspen (Populus) depends on the metabolism of sucrose, which is the main transported form of carbon from source tissues. The largest fraction of the wood biomass is cellulose, which is synthesized from UDP-glucose. Sucrose synthase
Jun Liu et al.
International journal of biological macromolecules, 72, 1182-1190 (2014-09-27)
Optimization of extraction conditions, preliminary characterization and in vitro antioxidant activity of polysaccharides from black soybean (BSPS) were investigated. The results of Box-Behnken design showed that the optimal extraction conditions for BSPS were as follows: ratio of water to material
Qing Wang et al.
Analytica chimica acta, 854, 191-201 (2014-12-07)
A hydrophilic stationary phase (SP) was prepared through grafting N-methylene phosphonic acid chitosan on magnesia-zirconia particles (P-CTS-MgO-ZrO2) via Lewis acid-base interaction. The resulting material was characterized by thermogravimetric analysis, Fourier transform infrared spectroscopy, scanning electron microscope and nitrogen adsorption analysis.
Yuvabharath Kondaveeti et al.
Cancer letters, 364(1), 44-58 (2015-04-29)
Epithelial-mesenchymal transition (EMT) induces invasive properties in epithelial tumors and promotes metastasis. Although EMT-mediated cellular and molecular changes are well understood, very little is known about EMT-induced metabolic changes. HER2-positive BT-474 breast cancer cells were induced to undergo a stable
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