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Showing 1-30 of 140 results for "A0884" within Papers
Ramesh M Ray et al.
Cellular signalling, 27(9), 1850-1859 (2015-06-21)
Tissue polyamine levels are largely determined by the activity of ornithine decarboxylase (ODC, EC 4.1.17), which catalyzes the conversion of ornithine to the diamine putrescine. The activity of the enzyme is primarily regulated by a negative feedback mechanism involving ODC
D Rating et al.
Journal of neurology, 230(4), 217-225 (1983-01-01)
In 14 children with epilepsy, 51 with febrile convulsions and 22 with meningitis gamma-aminobutyric acid (GABA) concentrations in lumbar CSF were determined. While the mean for CSF GABA concentrations for all epileptic children was unchanged [144 (range: 73-285) pmol/ml; controls:
Kevin Guo et al.
Analytical chemistry, 81(10), 3919-3932 (2009-03-25)
We report a new quantitative metabolome profiling technique based on differential (12)C-/(13)C-isotope dansylation labeling of metabolites, fast liquid chromatography (LC) separation and electrospray ionization Fourier-transform ion cyclotron resonance mass spectrometry (ESI-FTICR MS) detection. An isotope reagent, (13)C-dansyl chloride, can be
Zhongli Yang et al.
Neuroscience letters, 555, 215-219 (2013-10-01)
Recently, we reported that several polymorphisms and haplotypes in the choline acetyltransferase gene (ChAT) are associated with nicotine dependence (ND). Of them, SNP rs1880676 is of particular interest because: (1) it is a non-synonymous variant located in the coding region
Saad Sulieman et al.
Critical reviews in biotechnology, 33(3), 309-327 (2012-07-17)
Symbiotic nitrogen fixation is tightly regulated by a range of fine processes at the nodule level, over which the host plant has overall control through the whole life of the plant. The operation of this control at the nodule level
K J Bär et al.
Neurobiology of aging, 24(2), 333-338 (2002-12-25)
Increasing evidence suggests an interaction of oxidative stress and the formation of advanced glycation end products (AGE) in the onset and progression of Alzheimer's disease. We studied levels of pentosidine and N(epsilon)-(carboxymethyl)-lysine (CML) in serum and cerebrospinal fluid (CSF) of
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
Beatrice Bocca et al.
Annali dell'Istituto superiore di sanita, 41(2), 197-203 (2005-10-26)
The haematic concentration of 26 metals and the oxidative damage in 60 patients (20 males and 40 females) affected by Alzheimer's disease and 44 healthy individuals (33 males and 11 females) were compared. In patients, the following significant (p <
Vassilios I Avramis et al.
Clinical pharmacokinetics, 44(4), 367-393 (2005-04-15)
The discovery of the tumour-inhibitory properties of asparaginase began 50 years ago with the observation that guinea-pig serum-treated lymphoma-bearing mice underwent rapid and often complete regression. Soon afterwards, the asparaginase of bacterial origin was isolated. The asparaginases of bacterial origin
Synthetic N- and O-glycosyl derivatives of L-asparagine, L-serine, and L-threonine.
H G Garg et al.
Advances in carbohydrate chemistry and biochemistry, 43, 135-201 (1985-01-01)
Bert H-O Güttler et al.
Amino acids, 44(4), 1205-1214 (2013-01-25)
The formation of isoaspartate (isoAsp) from asparaginyl or aspartyl residues is a spontaneous post-translational modification of peptides and proteins. Due to isopeptide bond formation, the structure and possibly function of peptides and proteins is altered. IsoAsp modifications within the peptide
Halina R Novak et al.
The FEBS journal, 280(7), 1664-1680 (2013-02-07)
The putative L-haloacid dehalogenase gene (DehRhb) from a marine Rhodobacteraceae family was cloned and overexpressed in Escherichia coli. The DehRhb protein was shown to be an L-haloacid dehalogenase with highest activity towards brominated substrates with short carbon chains (≤ C3).
Yogitha N Srikhanta et al.
Biochemical and biophysical research communications, 436(3), 362-365 (2013-06-04)
Escherichia coli expresses two L-asparaginase (EC 3.5.1.1) isozymes: L-asparaginse I, which is a low affinity, cytoplasmic enzyme that is expressed constitutively, and L-asparaginase II, a high affinity periplasmic enzyme that is under complex co-transcriptional regulation by both Fnr and Crp.
S Ishiwata et al.
The Tohoku journal of experimental medicine, 176(1), 61-68 (1995-05-01)
To evaluate the clinical usefulness of serum 1-methyladenosine, several modifications have been made in our previously established inhibition ELISA system. Horseradish peroxidase (HRP) labeled anti-mouse IgG and 3,3',5,5'-tetramethylbenzidine (TMBZ) were used as a secondary antibody and a substrate, respectively. The
An internal sensor detects dietary amino acids and promotes food consumption in Drosophila
Zhe Yang
Nature (2017)
Stryer L
Biochemistry (2002)
Heidi Turkia et al.
Talanta, 131, 366-371 (2014-10-05)
The amino acid composition of cultivation broth is known to affect the biomass accumulation, productivity, and vitality of yeast during cultivation. A separation method based on capillary electrophoresis with laser-induced fluorescence (LIF) detection was developed for the determination of amino
William Wan et al.
Proceedings of the National Academy of Sciences of the United States of America, 111(14), 5201-5206 (2014-04-08)
The highly ordered and reproducible structure of the fungal prion HET-s makes it an excellent model system for studying the inherent properties of prions, self-propagating infectious proteins that have been implicated in a number of fatal diseases. In particular, the
Anna Karolina Matczuk et al.
The Journal of biological chemistry, 288(49), 35396-35405 (2013-10-22)
Signal peptide cleavage and N-glycosylation of proteins are co-translational processes, but little is known about their interplay if they compete for adjacent sites. Here we report two unique findings for processing of glycoprotein 3 of equine arteritis virus. Glycoprotein 3
Esra Koklamaz et al.
Journal of the science of food and agriculture, 94(10), 2002-2008 (2013-12-07)
In conventional manufacturing of potato chips, achieving an extremely low moisture content (2% by weight) in the final product necessitates prolonged exposure of potato slices to high oil temperatures. This promotes acrylamide formation and causes an exponential increase in acrylamide
Mark Mapstone et al.
Nature medicine, 20(4), 415-418 (2014-03-13)
Alzheimer's disease causes a progressive dementia that currently affects over 35 million individuals worldwide and is expected to affect 115 million by 2050 (ref. 1). There are no cures or disease-modifying therapies, and this may be due to our inability
Lijun Zhou et al.
Nature, 506(7486), 116-120 (2013-11-19)
Splicing of precursor messenger RNA (pre-mRNA) in eukaryotic cells is carried out by the spliceosome, which consists of five small nuclear ribonucleoproteins (snRNPs) and a number of accessory factors and enzymes. Each snRNP contains a ring-shaped subcomplex of seven proteins
Karin Mohrmann et al.
Cancer chemotherapy and pharmacology, 56(4), 344-350 (2005-05-06)
Breast cancer resistance protein (BCRP/ABCG2) is an ATP-binding cassette (ABC) multidrug transporter that confers resistance to various anticancer drugs like topotecan and mitoxantrone. To obtain more insight in its cellular functioning, we investigated phosphorylation and N-linked glycosylation of BCRP. In
Louise T Henriksen et al.
British journal of haematology, 166(2), 213-220 (2014-04-08)
L-asparaginase is an important drug in the treatment of childhood acute lymphoblastic leukaemia (ALL). Cerebrospinal fluid (CSF) asparagine depletion is considered a marker of asparaginase effect in the central nervous system (CNS) and may play a role in CNS-directed anti-leukaemia
Xiaolang Cai et al.
Wei sheng wu xue bao = Acta microbiologica Sinica, 52(12), 1467-1476 (2013-03-06)
Mycobacterium tuberculosis can survive inside host cells for a long time. To elucidate the acid adaptation mechanism mediated by the asparagine (Asn) metabolic pathway, the activity of asparaginase (AnsA) and growth of mycobacteria were characterized. The nonpathogenic M. bovis BCG
H C Curtius et al.
Journal of chromatography, 112, 523-531 (1975-10-29)
A specific and very sensitive method for the determination of 5-hydroxy-tryptophol (5-HTOL) and 5-methoxytryptophol (5-MTOL) in extracts from human cerebrospinal fluid (CSF) involving the use of mass fragmentography and pentafluoropriopionyl derivatives is described. 5-HTOL and 5-MTOL were determined in human
J D Shoemaker et al.
Journal of chromatography, 562(1-2), 125-138 (1991-01-02)
Eighty-five clinical urine samples and nineteen urine samples previously found by other laboratories to suggest genetic metabolic defects were prepared for trimethylsilylation by treatment with urease, followed by azeotropic dehydration. The "Target Analyte Search" program provided with the VG Trio
Wolfram Gronwald et al.
Kidney international, 79(11), 1244-1253 (2011-03-11)
Autosomal dominant polycystic kidney disease (ADPKD) is a frequent cause of kidney failure; however, urinary biomarkers for the disease are lacking. In a step towards identifying such markers, we used multidimensional-multinuclear nuclear magnetic resonance (NMR) spectroscopy with support vector machine-based
Anna Walter et al.
Neurobiology of aging, 25(10), 1299-1303 (2004-10-07)
Experimental and clinical studies give evidence for breakdown of membrane phospholipids during neurodegeneration. In the present study, we measured the levels of glycerophosphocholine (GPCh), phosphocholine (PCh), and choline, that is, water-soluble metabolites of phosphatidylcholine (PtdCho), in human cerebrospinal fluid (CSF).
Peihan Orestes et al.
Diabetes, 62(11), 3828-3838 (2013-07-10)
It has been established that Ca(V)3.2 T-type voltage-gated calcium channels (T-channels) play a key role in the sensitized (hyperexcitable) state of nociceptive sensory neurons (nociceptors) in response to hyperglycemia associated with diabetes, which in turn can be a basis for
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