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Showing 1-30 of 3396 results for "34885" within Papers
Er-Bao Zhang et al.
Medical oncology (Northwood, London, England), 31(5), 914-914 (2014-03-29)
Gastric cancer (GC) is one of the most frequent cancers worldwide. Recent studies have shown that long noncoding RNAs (lncRNAs) play critical roles in multiple biological processes, including oncogenesis. The present study aimed to evaluate the potential role of lncRNA
Ritwika Ray et al.
Chemistry (Weinheim an der Bergstrasse, Germany), 20(47), 15618-15624 (2014-10-07)
The present article describes novel oxidative protocols for direct esterification of alcohols. The protocols involve successful demonstrations of both "cross" and "self" esterification of a wide variety of alcohols. The cross-esterification proceeds under a simple transition-metal-free condition, containing catalytic amounts
Weihao Wang et al.
Steroids, 95, 51-65 (2015-01-13)
Dioscorea panthaica is a traditional Chinese medicinal herb used in the treatment of various physiological conditions, including cardiovascular disease, gastropathy and hypertension. Steroidal saponins (SS) are the main active ingredients of this herb and have effects on myocardial ischemia and
Jianqing Ruan et al.
Chemical research in toxicology, 27(6), 1030-1039 (2014-05-20)
Pyrrolizidine alkaloids (PAs) are natural toxins widely distributed in plants. The toxic potencies of different PAs vary significantly. PAs are mono- or diesters of necine acids with a necine base. On the basis of the necine bases, PAs are classified
Erik Hanff et al.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 970, 44-52 (2014-09-23)
A specific, sensitive and fast LC-MS/MS method with positive electrospray ionization for the quantitative determination of nitrite in human plasma is reported. Added [(15)N]nitrite served as the internal standard (IS). Endogenous nitrite and IS were converted to their S-nitrosoglutathione (GSNO)
Jessica A Cottrell et al.
Analytical biochemistry, 469, 34-42 (2014-12-03)
This article describes a new method for extracting RNA, protein, and lipid mediators from a single tissue specimen. Specifically, mouse bone fracture callus specimens were extracted into a single solution that was processed using three different procedures to measure messenger
Martina Bolechová et al.
Food chemistry, 170, 265-270 (2014-10-13)
Alkaloids known as secondary metabolites are grouped by typical structural characteristics into large families such as pyrrolizidine alkaloids (PAs) comprising more than 350 individual heterocyclic compounds. The PAs present a serious health risk to human and livestock; hence there is
Chengcheng Peng et al.
Biomedical chromatography : BMC, 29(3), 425-436 (2014-07-22)
Shexiang Baoxin pills (SBP) are a traditional Chinese medicine that are used for treating coronary heart disease. Ginsenosides are the main effective components of SBP, but a comprehensive and deep pharmacokinetic study of ginsenosides in SBP, including multiple dosing and
Iain M McIntyre et al.
Journal of analytical toxicology, 39(2), 156-159 (2014-11-29)
A 20-year-old man, a college student, became unresponsive in front of his girlfriend. He was known to consume alcohol and take an unknown drug at some point while in attendance at a local music festival earlier in the day/evening. Upon
Yunfei Zhan et al.
Experimental and therapeutic medicine, 9(1), 11-16 (2014-12-03)
Pulmonary tuberculosis (PTB) is a high burden infectious disease in China. The immune function is damaged in patients with diabetes mellitus (DM) who are easy to infect with
Tânia Petta et al.
Enzyme and microbial technology, 58-59, 36-43 (2014-04-16)
Lipid mediators such as the leukotrienes, resolvins and protectins have been considered excellent models for the development of new anti-inflammatory drugs, due to their high potentiality. Nevertheless, only tiny amounts are available from natural sources and they have to be
Valentino Ruggieri et al.
BMC plant biology, 14, 337-337 (2014-12-04)
Genome Wide Association Studies (GWAS) have been recently used to dissect complex quantitative traits and identify candidate genes affecting phenotype variation of polygenic traits. In order to map loci controlling variation in tomato marketable and nutritional fruit traits, we used
Fengxia Wu et al.
Aquatic toxicology (Amsterdam, Netherlands), 155, 43-51 (2014-06-30)
We studied the effects of endocrine disrupting compounds nonylphenol (NP) and letrozole (LE) on the male goldfish Carassius aumtus. Exposure to NP (20 μg l(-1)) alone caused a significant up-regulation in the expression of aromatase, estrogen receptors and vitellogenin (VTG)
Masaru Sugita et al.
The AAPS journal, 16(5), 1119-1127 (2014-07-30)
This study sought to understand the reasons for the bioinequivalence of a newly developed generic product of pioglitazone hydrochloride and to improve its formulation so that it is equivalent to that of the reference listed drug (RLD). In this clinical
Sergey Kosourov et al.
Applied and environmental microbiology, 80(18), 5807-5817 (2014-07-13)
We have investigated two approaches to enhance and extend H2 photoproduction yields in heterocystous, N2-fixing cyanobacteria entrapped in thin alginate films. In the first approach, periodic CO2 supplementation was provided to alginate-entrapped, N-deprived cells. N deprivation led to the inhibition
Ottmar Golf et al.
Journal of the American Society for Mass Spectrometry, 26(1), 44-54 (2014-11-09)
Here we present a proof of concept cross-platform normalization approach to convert raw mass spectra acquired by distinct desorption ionization methods and/or instrumental setups to cross-platform normalized analyte profiles. The initial step of the workflow is database driven peak annotation
Eva Gorrochategui et al.
Analytica chimica acta, 854, 20-33 (2014-12-07)
A lipidomic study was developed in a human placental choriocarcinoma cell line (JEG-3) exposed to tributyltin (TBT) and to a mixture of perfluorinated chemicals (PFCs). The method was based on the application of multivariate curve resolution-alternating least squares (MCR-ALS) to
Meei-Hua Lin et al.
The Journal of investigative dermatology, 135(2), 462-470 (2014-09-04)
Fatty acid transport protein (FATP) 4 is one of a family of six FATPs that facilitate long- and very-long-chain fatty acid uptake. Mice lacking FATP4 are born with tight, thick skin and a defective barrier; they die neonatally because of
Bin Xu et al.
Talanta, 132, 245-251 (2014-12-06)
A new isotope-dilution liquid chromatography-tandem mass spectrometry (LC-MS/MS) method for determination of sulfur mustard (SM) has been developed using a direct chemical derivatization method by nucleophile potassium thioacetate (PTA) in aqueous solution. The reaction conditions for derivatization, such as reaction
Milena M Madry et al.
Bioanalysis, 6(23), 3183-3196 (2014-12-23)
Toenails were assessed as an alternative matrix to hair for retrospective monitoring of cocaine consumption of recreational and dependent users. Results/methodology: Toenail clippings, scrapings and hair samples from recreational and dependent cocaine users were analyzed for cocaine and metabolites. Dependent
Iain M McIntyre et al.
Journal of analytical toxicology, 39(2), 152-155 (2014-12-18)
A 24-year-old man whose medical history was significant for alcohol abuse and depression was found unresponsive in bed. He had several prior suicide attempts with 'pills' and had also been hospitalized for an accidental overdose on a previous occasion. Autopsy
Teresa Ferreira et al.
Microscopy and microanalysis : the official journal of Microscopy Society of America, Microbeam Analysis Society, Microscopical Society of Canada, 21(1), 2-14 (2014-11-13)
A 16th century liturgical cope belonging to D. Teotónio of Braganza (collection of the Museum of Évora, ME 172/1) was selected for a material study. The cope is made of a variety of materials that include two different types of
Martin Göttle et al.
Annals of neurology, 76(1), 95-107 (2014-06-04)
Lesch-Nyhan disease (LND) is caused by congenital deficiency of the purine recycling enzyme, hypoxanthine-guanine phosphoribosyltransferase (HGprt). Affected patients have a peculiar neurobehavioral syndrome linked with reductions of dopamine in the basal ganglia. The purpose of the current studies was to
Long Wang et al.
Molecular medicine reports, 11(4), 2711-2716 (2014-12-18)
Glucocorticoid‑induced osteoporosis (GIOP) is a widespread clinical complication following glucocorticoid therapy. This irreversible damage to bone‑forming and ‑resorbing cells is essential in the pathogenesis of osteoporosis. Autophagy is a physiological process involved in the regulation of cells and their responses
Szende Vancea et al.
Journal of pharmaceutical and biomedical analysis, 98, 417-423 (2014-07-10)
A liquid chromatography coupled with tandem mass spectrometry method for the quantification of the antispasmodic drug drotaverine in human plasma was developed and validated according to the current bioanalytical guidelines. The internal standard used was imipramine. The separation was performed
D Q Li et al.
Journal of chromatography. A, 1345, 50-56 (2014-05-06)
Xanthine oxidase (XO) can catalyze hypoxanthine and xanthine to generate uric acid and reactive oxygen species (ROS), including superoxide anion radical (O₂(•-)) and hydrogen peroxide. XO inhibitors and free radical scavengers are beneficial to the treatment of gout and many
Yan Zhou et al.
European journal of pharmaceutics and biopharmaceutics : official journal of Arbeitsgemeinschaft fur Pharmazeutische Verfahrenstechnik e.V, 89, 107-115 (2014-12-08)
Combination therapies have been investigated to address the current challenges of anti-cancer therapeutics. In particular, a novel paradigm of combination therapy targeting both cancer stem/progenitor cells and bulk tumor cells is promising to improve the long-term therapeutic benefit against prostate
Jiangbin Ye et al.
Cancer discovery, 4(12), 1406-1417 (2014-09-05)
The de novo synthesis of the nonessential amino acid serine is often upregulated in cancer. In this study, we demonstrate that the serine catabolic enzyme, mitochondrial serine hydroxymethyltransferase (SHMT2), is induced when MYC-transformed cells are subjected to hypoxia. In mitochondria
Bradley J VanMiddlesworth et al.
Journal of chromatography. A, 1364, 171-182 (2014-09-15)
Modification of the Linear Solvation Energy Relationship (LSER) equation to account for ionic interactions in the retention of ionizable compounds has enabled the elucidation in the effect of the imidazolium cation identity on retention. Three Surface Confined Ionic Liquid stationary
Ragna Berthelsen et al.
International journal of pharmaceutics, 473(1-2), 356-365 (2014-07-06)
The aim of this study was to develop a sensitive and discriminative in vitro-in silico model able to simulate the in vivo performance of three fenofibrate immediate release formulations containing different surfactants. In addition, the study was designed to investigate
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