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Francesca Spyrakis et al.
ChemMedChem, 9(7), 1501-1511 (2014-03-13)
Cystalysin from Treponema denticola is a pyridoxal 5'-phosphate dependent lyase that catalyzes the formation of pyruvate, ammonia, and sulfide from cysteine. It is a virulence factor in adult periodontitis because its reaction contributes to hemolysis, which sustains the pathogen. Therefore
Ma Paz Zafra et al.
International journal of molecular sciences, 16(3), 5434-5451 (2015-03-13)
Eosinophils are one of the key inflammatory cells in asthma. Eosinophils can exert a wide variety of actions through expression and secretion of multiple molecules. Previously, we have demonstrated that eosinophils purified from peripheral blood from asthma patients express high
Laszlo G Harsing et al.
Acta physiologica Hungarica, 99(1), 1-17 (2012-03-20)
Glycine is a mandatory positive allosteric modulator of N-methyl-D-aspartate (NMDA)-type ionotropic glutamate receptors in the central nervous system. Elevation of glycine concentrations by inhibition of its reuptake in the vicinity of NMDA receptors may positively influence receptor functions as glycine
Renata Raina-Fulton
Journal of AOAC International, 97(4), 965-977 (2014-08-26)
This article reviews the chromatography/MS methodologies for analysis of pesticide residues of orphan and difficult chemical classes in a variety of sample matrixes including water, urine, blood, and food. The review focuses on pesticide classes that are not commonly included
Xue Fu et al.
Toxicological sciences : an official journal of the Society of Toxicology, 139(2), 432-451 (2014-03-13)
Regulation of cellular copper (Cu) homeostasis involves Cu-transporting ATPases (Cu-ATPases), i.e., ATP7A and ATP7B. The question as to how these Cu-ATPases in brain barrier systems transport Cu, i.e., toward brain parenchyma, cerebrospinal fluid (CSF), or blood, remained unanswered. This study
J L K Van Hove et al.
Journal of inherited metabolic disease, 28(5), 651-663 (2005-09-10)
High-dose benzoate treatment aimed at reducing plasma glycine levels to normal reduces seizures and increases wakefulness in patients with nonketotic hyperglycinaemia (NKH). Since benzoate metabolism is dependent on the available glycine pool, and since the glycine pool is variably affected
Andrew P Prescot et al.
Magnetic resonance in medicine, 55(3), 681-686 (2006-02-03)
A single-voxel proton magnetic resonance spectroscopy ((1)H-MRS) method is described that enables the in vivo measurement of endogenous brain glycine (Gly) levels in human subjects. At 4.0 T, TE-averaging (1)H-MRS dramatically attenuates the overlapping myo-inositol (mI) resonances at 3.52 ppm
Xu Jiang et al.
Journal of biomedical materials research. Part A, 103(3), 959-968 (2014-05-24)
Cells perceive their microenvironment through physical and mechanical cues, such as extracellular matrix topography or stiffness. In this study, we developed a polysaccharide scaffold that can provide combined substrate topography and matrix compliance signals to direct cell fate. Pullulan/dextran (P/D)
Cristina M Ramírez et al.
Journal of lipid research, 55(6), 1066-1076 (2014-04-15)
ABCA1 is a major regulator of cellular cholesterol efflux and plasma HDL biogenesis. Even though the transcriptional activation of ABCA1 is well established, the posttranscriptional regulation of ABCA1 expression is poorly understood. Here, we investigate the potential contribution of the
Seonil Kim et al.
PLoS biology, 12(7), e1001900-e1001900 (2014-07-02)
Homeostatic synaptic plasticity is a negative-feedback mechanism for compensating excessive excitation or inhibition of neuronal activity. When neuronal activity is chronically suppressed, neurons increase synaptic strength across all affected synapses via synaptic scaling. One mechanism for this change is alteration
Jean Paul Dzoyem et al.
Journal of ethnopharmacology, 156, 1-8 (2014-08-26)
Culinary herbs and spices are widely used ethnomedically across Africa. They are traditionally employed in the treatment of several ailments including inflammation disorders, pain alleviation and infectious diseases. Pharmacological studies are necessary to provide a scientific basis to substantiate their
Mark G Jones et al.
Clinica chimica acta; international journal of clinical chemistry, 361(1-2), 150-158 (2005-07-05)
Previous work by others have suggested the occurrence of one or more chemical or metabolic 'markers' for ME/CFS including specific amino acids and organic acids and a number of unidentified compounds (CFSUM1, CFSUM2). We have shown elsewhere that CFSUM1 is
S Patntirapong et al.
Journal of clinical pharmacy and therapeutics, 39(4), 349-353 (2014-03-26)
Alendronate (ALN) is used for the treatment of post-menopausal osteoporosis. By reducing bone turnover, it increases bone mineral density. However, recent reports suggest an increased risk of atypical bone fractures after long-term ALN administration. Despite its well-known anti-osteoclastic activity, it
C Lanctôt et al.
Aquatic toxicology (Amsterdam, Netherlands), 154, 291-303 (2014-06-11)
Glyphosate-based herbicides are currently the most commonly used herbicides in the world. They have been shown to affect survival, growth, development and sexual differentiation of tadpoles under chronic laboratory exposures but this has not been investigated under more environmentally realistic
Carlos M Laborde et al.
Proteome science, 12, 43-43 (2014-01-01)
Acute coronary syndrome is the major cause of death in developed countries. Despite its high prevalence, there is still a strong need for new biomarkers which permit faster and more accurate diagnostics and new therapeutic drugs. The basis for this
Alexandra Rogue et al.
Toxicology and applied pharmacology, 276(1), 73-81 (2014-02-19)
Although non-alcoholic fatty liver disease (NAFLD) is currently the most common form of chronic liver disease there is no pharmacological agent approved for its treatment. Since peroxisome proliferator-activated receptors (PPARs) are closely associated with hepatic lipid metabolism, they seem to
Jie Yang et al.
Cancer biomarkers : section A of Disease markers, 15(2), 205-211 (2014-12-19)
Annexin A2 (ANXA2) is a 36 kDa protein which orchestrates multiple biologic processes and clinical associations, especially in cancer progression. It is important to establish a specific and sensitive ANXA2 enzyme-linked immunosorbent assay (ELISA) for the study of ANXA2 functions
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
Jing Wu et al.
Toxicology letters, 232(3), 573-579 (2014-12-30)
T-2 toxin is a secondary metabolite produced by Fusarium genus and is a common contaminant in food and feedstuffs of cereal origin. In porcine granulosa cells(GC), T-2 toxin has been shown to inhibit the steroidogenesis; however, the mechanism has not
Sarah F Wilson et al.
Journal of pharmaceutical and biomedical analysis, 56(2), 315-323 (2011-06-21)
An LC-MS/MS method using pre-column derivatization with phenylisothiocyanate (PITC) was developed to quantify glycine in human cerebrospinal fluid (CSF) and applied to the determination of glycine in human samples collected during clinical testing. The calibration curve range for the assay
Ruixi Li et al.
Proceedings of the National Academy of Sciences of the United States of America, 112(1), E89-E98 (2014-12-24)
The vacuole is the most prominent compartment in plant cells and is important for ion and protein storage. In our effort to search for key regulators in the plant vacuole sorting pathway, ribosomal large subunit 4 (rpl4d) was identified as
Juliana Ben et al.
Neurochemical research, 39(12), 2492-2500 (2014-10-16)
The epileptogenesis process involves cell signaling events associated with neuroplasticity. The mitogen-activated protein kinases (MAPKs) integrate signals originating from a variety of extracellular stimuli and may regulate cell differentiation, survival, cell death and synaptic plasticity. Here we compared the total
Ming-Hsuan Ou-Yang et al.
Neurobiology of aging, 36(2), 801-811 (2014-12-03)
Alzheimer's disease is a progressive neurodegenerative disorder that is characterized by extensive deposition of fibrillar amyloid-β (Aβ) in the brain. Previously, myelin basic protein (MBP) was identified to be a potent inhibitor to Aβ fibril formation, and this inhibitory activity
Sen Zhang et al.
Biotechnology and applied biochemistry, 62(2), 255-259 (2014-06-13)
To achieve efficient production of succinyldaidzin and succinylgenistin, resting cells of a solvent-stable strain Bacillus licheniformis ZSP01 were used to react with pure isoflavones or soybean flour extract in a reaction medium with 10% dimethyl sulfoxide. Strikingly, 0.8 mM daidzein
Christopher Edge et al.
Ecotoxicology and environmental safety, 109, 124-132 (2014-09-01)
Herbicides and fertilizers are widely used throughout the world and pose a threat to aquatic ecosystems. Using a replicated, whole ecosystem experiment in which 24 small wetlands were split in half with an impermeable barrier we tested whether exposure to
Katharina Effenberger-Neidnicht et al.
The Journal of surgical research, 192(2), 592-598 (2014-07-12)
Glycine is well known to protect the intestine against ischemia-reperfusion injury and during mechanical manipulation. Here, we studied whether glycine protects the small intestine during endotoxemia, even without being the site of the infection. Lipopolysaccharide (LPS) was infused at a
Bethany L Johnson-Kerner et al.
Human molecular genetics, 24(5), 1420-1431 (2014-11-16)
Giant axonal neuropathy (GAN) is a progressive neurodegenerative disease caused by autosomal recessive mutations in the GAN gene resulting in a loss of a ubiquitously expressed protein, gigaxonin. Gene replacement therapy is a promising strategy for treatment of the disease;
Sherleen Fu et al.
Toxicological sciences : an official journal of the Society of Toxicology, 143(2), 482-498 (2015-01-13)
The brain subventricular zone (SVZ) is a source of neural precursor cells; these cells travel along the rostral migratory stream (RMS) to destination areas in the process of adult neurogenesis. Recent x-ray fluorescence (XRF) studies reveal an extensive accumulation of
Jin-Hyun Kim et al.
Plant methods, 11, 30-30 (2015-04-25)
Genetic markers are tools that can facilitate molecular breeding, even in species lacking genomic resources. An important class of genetic markers is those based on orthologous genes, because they can guide hypotheses about conserved gene function, a situation that is
Jeffrey W Guthrie et al.
Analytica chimica acta, 853, 676-681 (2014-12-04)
An immunoassay based on CE-LIF was developed for the simultaneous detection of cyclobutane pyrimidine dimers (CPDs) and pyrimidine 6-4 pyrimidone photoproducts (6-4PPs) in genomic DNA irradiated with UVB or natural sunlight. Human cells were first exposed to varying amounts of
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