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Erik Rytting et al.
Drug metabolism and disposition: the biological fate of chemicals, 42(10), 1773-1779 (2014-08-07)
Recent in vitro data obtained in our laboratory revealed similarities between baboons and humans in the biotransformation of bupropion (BUP) by both hepatic and placental microsomes. These data supported the use of baboons to study BUP biotransformation during pregnancy. The
Jörg Ziegler et al.
Amino acids, 46(12), 2799-2808 (2014-09-15)
A new method for the determination of amino acids is presented. It combines established methods for the derivatization of primary and secondary amino groups with 9-fluorenylmethoxycarbonyl chloride (Fmoc-Cl) with the subsequent amino acid specific detection of the derivatives by LC-ESI-MS/MS
J Bluett et al.
The Analyst, 140(6), 1981-1987 (2015-02-12)
Rheumatoid arthritis (RA) is a common autoimmune disease that causes significant disability and reduced life expectancy. The folate antagonist methotrexate (MTX) is first-line therapy for RA when used weekly at low doses (5-25 mg). However, the true rate of adherence
Askin Birgul et al.
Archives of environmental contamination and toxicology, 68(1), 46-63 (2014-12-07)
Ambient air polycyclic aromatic hydrocarbon (PAH) samples were collected at traffic, residential, coastal, and semiurban sites in Bursa, Turkey, between June 2008 and June 2009. For the traffic, residential, coastal, and semiurban sites, the average gas phase total PAH (∑12PAH)
Hui Chan Kwak et al.
Biochemical pharmacology, 96(3), 256-266 (2015-06-07)
The present study was aimed to investigate the metabolomics of sulfur amino acids in Zucker diabetic fatty (ZDF) rats, an obese type 2 diabetic animal model. Plasma levels of total cysteine, homocysteine and methionine, but not glutathione (GSH) were markedly
Ahmad Omar-Ali et al.
Marine environmental research, 108, 33-44 (2015-05-10)
Alligator gar Atractosteus spatula acclimated to brackish water (9 ppt) were exposed to water accommodated fraction oil loadings (surrogate to Macondo Deepwater Horizon, northern Gulf of Mexico) of 0.5 and 4.0 gm oil/L tank water for 48 h. The surrogate
Luh P E K Yuni et al.
Journal of thermal biology, 52, 208-216 (2015-08-13)
The study of energy expenditure between populations of a wide ranging ectothermic species may provide an insight into how organisms respond to variation in environmental conditions. In this study, the energy expenditure of male spotted snow skinks, Niveoscincus ocellatus, living
Andrew C Singer et al.
PloS one, 9(9), e108621-e108621 (2014-09-26)
The concentration of eleven antibiotics (trimethoprim, oxytetracycline, ciprofloxacin, azithromycin, cefotaxime, doxycycline, sulfamethoxazole, erythromycin, clarithromycin, ofloxacin, norfloxacin), three decongestants (naphazoline, oxymetazoline, xylometazoline) and the antiviral drug oseltamivir's active metabolite, oseltamivir carboxylate (OC), were measured weekly at 21 locations within the River
Jingping Liu et al.
Analytical and bioanalytical chemistry, 407(9), 2569-2579 (2015-02-01)
Diabetic nephropathy (DN) is a serious complication of diabetes mellitus (DM), which is a major public health problem in the world. To reveal the metabolic changes associated with DN, we analyzed the serum, urine, and renal extracts obtained from control
M Angeles García et al.
Molecules (Basel, Switzerland), 20(6), 9862-9878 (2015-05-30)
The association constants of the complexes formed by two hosts containing pyrrole, amide and azine (pyridine and 1,8-naphthyridine) groups and six guests, all monoanions (Cl-, CH3CO2-, NO3-, H2PO4-, BF4-, PF6-), have been determined using NMR titrations. The X-ray crystal structure
Zachary Farrell et al.
Angewandte Chemie (International ed. in English), 54(22), 6479-6482 (2015-04-18)
MALDI mass-spectrometry measurements are combined with self-consistent mean-field (SCF) calculations to detect and predict ligand phase separation on Ag nanoparticles. The experimental and theoretical techniques complement each other by enabling quantification of the nearest-neighbor distribution of a ligand mixture in
Anindya Sarkar et al.
The Journal of biological chemistry, 290(35), 21615-21628 (2015-07-03)
Heat shock protein 90 (hsp90) drives heme insertion into the β1 subunit of soluble guanylate cyclase (sGC) β1, which enables it to associate with a partner sGCα1 subunit and mature into a nitric oxide (NO)-responsive active form. We utilized fluorescence
Jae-Min Ha et al.
Soft matter, 11(29), 5821-5827 (2015-06-11)
We have investigated the distributions of individually isolated and hydrophilically functionalized single-walled carbon nanotubes (p-SWNTs) in the Pluronic L121-water system at the reverse hexagonal phase using small-angle X-ray scattering (SAXS) and contrast-matched small-angle neutron scattering (SANS) measurements. As the p-SWNT-L121-water
Tivadar Orban et al.
FASEB journal : official publication of the Federation of American Societies for Experimental Biology, 29(11), 4579-4588 (2015-07-19)
Age-related macular degeneration (AMD) is a neurodegenerative disease that causes adult-onset blindness. There are 2 forms of this progressive disease: wet and dry. Currently there is no cure for AMD, but several treatment options have started to emerge making early
Nguyen Minh Duc et al.
Journal of the American Society for Mass Spectrometry, 26(5), 808-817 (2015-03-06)
G protein-coupled receptors (GPCRs) have important roles in physiology and pathology, and 40% of drugs currently on the market target GPCRs for the treatment of various diseases. Because of their therapeutic importance, the structural mechanism of GPCR signaling is of
Rune Gangsøy Kristiansen et al.
American journal of physiology. Gastrointestinal and liver physiology, 307(10), G1024-G1031 (2014-09-27)
Glycine is an important ammoniagenic amino acid, which is increased in acute liver failure (ALF). We have previously shown that L-ornithine phenylacetate (OP) attenuates ammonia rise and intracranial pressure in pigs suffering from ALF but failed to demonstrate a stoichiometric
Anthony W Friedline et al.
The journal of physical chemistry. B, 119(44), 14033-14044 (2015-10-06)
Bacterial spores can survive for long periods without nutrients and in harsh environmental conditions. This survival is influenced by the structure of the spore, the presence of protective compounds, and water retention. These compounds, and the physical state of water
Michael G Mazzacavallo et al.
PloS one, 10(12), e0144300-e0144300 (2015-12-04)
Root biomass distributions have long been used to infer patterns of resource uptake. These patterns are used to understand plant growth, plant coexistence and water budgets. Root biomass, however, may be a poor indicator of resource uptake because large roots
Stefan Salentinig et al.
Chemistry and physics of lipids, 190, 43-50 (2015-07-08)
Medium chain triglycerides (MCTs) are a unique form of dietary fat that have a wide range of health benefits. They are molecules with a glycerol backbone esterified with medium chain (6-12 carbon atoms) fatty acids on the two outer (sn-1
Julia Homann et al.
Journal of chromatography. A, 1360, 150-163 (2014-08-16)
Pro-resolving lipid mediators are a class of endogenously synthesized molecules derived from different fatty acids, such as arachidonic, docosahexaenoic or eicosapentaenoic acid, which are derived into four different product families: lipoxins, resolvins, maresins and protectins. For quantitation of these compounds
Kimie Nakagawa et al.
PloS one, 9(8), e104078-e104078 (2014-08-16)
UbiA prenyltransferase domain containing 1 (UBIAD1) is a novel vitamin K2 biosynthetic enzyme screened and identified from the human genome database. UBIAD1 has recently been shown to catalyse the biosynthesis of Coenzyme Q10 (CoQ10) in zebrafish and human cells. To
Yong Cui et al.
Cancer epidemiology, biomarkers & prevention : a publication of the American Association for Cancer Research, cosponsored by the American Society of Preventive Oncology, 23(12), 2866-2873 (2014-09-13)
Levels of the cyclooxygenase 2 (COX2) enzyme are elevated in breast cancer tissue, and most COX2 effects are believed to be mediated through overproduction of prostaglandin E2 (PGE2). We evaluated associations between the primary urinary metabolite of PGE2 (PGE-M) and
Dimitrios Ntountaniotis et al.
Biochimica et biophysica acta, 1838(10), 2439-2450 (2014-06-20)
ΑΤ1 receptor (AT1R) antagonists exert their antihypertensive effects by preventing the vasoconstrictive hormone AngII to bind to the AT1 receptor. It has been proposed that these biological effects are mediated through a two-step mechanism reaction. In the first step, they
Cristian Mladin et al.
Neuroscience letters, 583, 154-158 (2014-09-30)
Deuterium-depleted water (DDW) is a water which has a 6-7-fold less concentration of the naturally occurring deuterium (20-25ppm vs. 150ppm). While administrated for a longer period, it may reduce the concentration of deuterium throughout the body, thus activating cellular mechanisms
Ruibing Chen et al.
Journal of proteome research, 13(12), 5767-5776 (2014-09-13)
Temperature changes influence the reaction rates of all biological processes, which can pose dramatic challenges to cold-blooded organisms, and the capability to adapt to temperature fluctuations is crucial for the survival of these animals. In order to understand the roles
Jonathan Nambiar et al.
mAbs, 7(3), 638-650 (2015-03-10)
CD1d is a receptor on antigen-presenting cells involved in triggering cell populations, particularly natural killer T (NKT) cells, to release high levels of cytokines. NKT cells are implicated in asthma pathology and blockade of the CD1d/NKT cell pathway may have
Si Wang et al.
Toxicological sciences : an official journal of the Society of Toxicology, 141(1), 78-89 (2014-06-15)
In the present study, a previously established integrated testing strategy (ITS) for in vitro estrogenicity testing was extended with additional in vitro assays in order to broaden its sensitivity to different modes of action resulting in apparent estrogenicity, i.e., other
Krishna C Chimalakonda et al.
Journal of pharmaceutical and biomedical analysis, 102, 494-499 (2014-12-03)
Histamine is an important biogenic amine involved in regulating numerous physiological and pathophysiological processes in humans and animals. To date, there have been very few studies focused on developing and validating sensitive liquid-chromatography-tandem mass spectrometric (LC-MS/MS) assays capable of quantitative
Sui So et al.
Physical chemistry chemical physics : PCCP, 16(45), 24954-24964 (2014-10-18)
β-Hydroxyperoxyl radicals are formed during atmospheric oxidation of unsaturated volatile organic compounds such as isoprene. They are intermediates in the combustion of alcohols. In these environments the unimolecular isomerization and decomposition of β-hydroxyperoxyl radicals may be of importance, either through
Miho Kazui et al.
Drug metabolism and disposition: the biological fate of chemicals, 42(7), 1138-1145 (2014-04-16)
Prasugrel, a thienopyridine antiplatelet drug, is converted in animals and humans to the pharmacologically active metabolite R-138727 [(2Z)-{1-[(1RS)-2-cyclopropyl-1-(2-fluorophenyl)-2-oxoethyl]-4-sulfanylpiperidin-3-ylidene}ethanoic acid], which has two chiral centers, occurring as a mixture of four isomers. The RS and RR isomers are more active than
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