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Beata Mickiewicz et al.
Journal of orthopaedic research : official publication of the Orthopaedic Research Society, 33(1), 71-77 (2014-10-07)
Joint injuries and subsequent osteoarthritis (OA) are the leading causes of chronic joint disease. In this work, we explore the possibility of applying magnetic resonance spectroscopy-based metabolomics to detect host responses to an anterior cruciate ligament (ACL) reconstruction injury 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...
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...
Stefani R Mladenova et al.
FEBS letters, 588(9), 1808-1812 (2014-04-02)
The human pathogen Staphylococcus aureus is an asparagine prototroph despite its genome not encoding an asparagine synthetase. S. aureus does use an asparaginyl-tRNA synthetase (AsnRS) to directly ligate asparagine to tRNA(Asn). The S. aureus genome also codes for one aspartyl-tRNA...
Yang Hai et al.
Biochemistry, 52(51), 9294-9309 (2013-11-23)
The crystal structure of formiminoglutamase from Trypanosoma cruzi (TcFIGase) is reported at 1.85 Å resolution. Although the structure of this enzyme was previously determined by the Structural Genomics of Pathogenic Protozoa Consortium (PDB accession code 2A0M), this structure was determined...
E M Michalak et al.
Cell death and differentiation, 15(6), 1019-1029 (2008-02-09)
The ability of p53 to induce apoptosis in cells with damaged DNA is thought to contribute greatly to its tumour suppressor function. P53 has been proposed to induce apoptosis via numerous transcriptional targets or even by direct cytoplasmic action. Two...
Asparagine levels in the bone marrow of patients with acute lymphoblastic leukemia during asparaginase therapy.
Martina Chiu et al.
Pediatric blood & cancer, 60(11), 1915-1915 (2013-08-01)
T Fujita et al.
Clinica chimica acta; international journal of clinical chemistry, 287(1-2), 99-109 (1999-10-06)
Pipecolic acid is regarded as a gamma-aminobutyric acid receptor agonist. Stereochemical studies of pipecolic acid were performed in patients with chronic liver diseases. Plasma D- and L-pipecolic acid were significantly elevated in 15 liver cirrhotic patients with no history of...
G Alfredsson et al.
Psychopharmacology, 99(3), 322-327 (1989-01-01)
Twenty-four acutely ill schizophrenic patients (DSM-III-R), 18-42 years old, were treated for 6 weeks with sulpiride. Sulpiride was administered in three different daily dosages (starting with 400, 800 or 1200 mg) according to a double blind randomized administration schedule. The...
J C Filho et al.
Clinical nutrition (Edinburgh, Scotland), 16(6), 299-305 (2006-07-18)
Muscle biopsy and blood samples were simultaneously collected from 27 healthy subjects for determination of free amino acid (AA) in plasma, muscle and erythrocytes (RBC) by reverse-phase high performance liquid chromatography and related their concentrations to deoxyribonucleic acid (DNA), muscle...
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...
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...
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...
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...
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...
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...
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...
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...
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 <...
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...
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...
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)
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...
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...
C Härnryd et al.
Psychopharmacology, 64(2), 131-134 (1979-08-08)
The effect of ECT on concentrations of monoamine metabolites in lumbar CSF of psychotic women with a schizophrenic symptomatology was examined. After a series of ECT there was a significant reduction of the concentration of the major noradrenaline metabolite, MOPEG....
Nattamon Siboonnan et al.
Archives of virology, 158(6), 1151-1157 (2013-01-12)
We have generated a temperature-sensitive (ts) mutant from a human isolate of the H5N1 avian influenza virus by classical adaptation in cell culture. After 20 passages at low temperature, the virus showed a ts phenotype. The ts mutant also showed...
Takashi Abe et al.
Journal of neuroscience research, 70(3), 447-450 (2002-10-23)
To investigate the possible role of oxidative RNA damage in the pathogenesis of Alzheimer's disease (AD), the concentrations of the oxidative stress marker 8-hydroxyguanosine (8-OHG) were measured in the cerebrospinal fluid (CSF) and the serum of patients with AD and...
Richard C Grandison et al.
Nature, 462(7276), 1061-1064 (2009-12-04)
Dietary restriction extends healthy lifespan in diverse organisms and reduces fecundity. It is widely assumed to induce adaptive reallocation of nutrients from reproduction to somatic maintenance, aiding survival of food shortages in nature. If this were the case, long life...
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