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Eder Ricardo Petry et al.
Life sciences, 94(2), 130-136 (2013-11-26)
We hypothesized that oral l-glutamine supplementations could attenuate muscle damage and oxidative stress, mediated by glutathione (GSH) in high-intensity aerobic exercise by increasing the 70-kDa heat shock proteins (HSP70) and heat shock factor 1 (HSF1). Adult male Wistar rats were
Davide Bressanello et al.
Journal of chromatography. A, 1361, 265-276 (2014-08-28)
This study investigates the potential of a parallel dual secondary column-dual detection two-dimensional comprehensive GC platform (GC×2GC-MS/FID) for metabolic profiling and fingerprinting of mouse urine. Samples were obtained from a murine model that mimics a typical unhealthy Western diet featuring
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
Christopher J Danpure et al.
Biochimica et biophysica acta, 1647(1-2), 70-75 (2003-04-11)
The pyridoxal-phosphate (PLP)-dependent enzyme alanine:glyoxylate aminotransferase (AGT) is mistargeted from peroxisomes to mitochondria in patients with the hereditary kidney stone disease primary hyperoxaluria type 1 (PH1) due to the synergistic interaction between a common Pro(11)Leu polymorphism and a PH1-specific Gly(170)Arg
Yovani Marrero Ponce et al.
Molecules (Basel, Switzerland), 9(12), 1124-1147 (2007-11-17)
This report describes a new set of macromolecular descriptors of relevance to protein QSAR/QSPR studies, protein's quadratic indices. These descriptors are calculated from the macromolecular pseudograph's alpha-carbon atom adjacency matrix. A study of the protein stability effects for a complete
Annmarie E Kotarba et al.
Biochemistry, 52(15), 2565-2573 (2013-03-21)
The assembly and deposition of amyloid β-protein (Aβ) in brain is a key pathological feature of Alzheimer's disease and related disorders. Factors have been identified that can either promote or inhibit Aβ assembly in brain. We previously reported that myelin
Jürgen W Schönborn et al.
iScience, 24(11), 103216-103216 (2021-10-30)
We know a lot about varying gut microbiome compositions. Yet, how the bacteria affect each other remains elusive. In mammals, this is largely based on the sheer complexity of the microbiome with at least hundreds of different species. Thus, model
Nicolas Paquet et al.
BMC molecular biology, 15, 27-27 (2014-12-17)
Premature aging syndromes recapitulate many aspects of natural aging and provide an insight into this phenomenon at a molecular and cellular level. The progeria syndromes appear to cause rapid aging through disruption of normal nuclear structure. Recently, a coding mutation
Thomas James O'Brien et al.
F1000Research, 10, 801-801 (2021-09-25)
The airways of people with cystic fibrosis (CF) are often chronically colonised with a diverse array of bacterial and fungal species. However, little is known about the relative partitioning of species between the planktonic and biofilm modes of growth in
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
Stefanie Hebecker et al.
Proceedings of the National Academy of Sciences of the United States of America, 112(34), 10691-10696 (2015-08-12)
The cytoplasmic membrane is probably the most important physical barrier between microbes and the surrounding habitat. Aminoacylation of the polar head group of the phospholipid phosphatidylglycerol (PG) catalyzed by Ala-tRNA(Ala)-dependent alanyl-phosphatidylglycerol synthase (A-PGS) or by Lys-tRNA(Lys)-dependent lysyl-phosphatidylglycerol synthase (L-PGS) enables
A Stahl et al.
Enzyme, 24(5), 294-301 (1979-01-01)
Plasma L-alanine is deaminated by bacterial alanine-dehydrogenase; the resulting ammonia is dialyzed out and measured by use of a continuous flow phenol-hypochlorite colorimetric microassay. Concentrations in the range of 10-1,000 mumol alanine/l can be determined in a 50-microliter sample. The
A Schousboe et al.
Neurochemistry international, 43(4-5), 311-315 (2003-05-14)
Studies in different preparations of neurons and astrocytes of alanine transport and activities of its metabolizing enzyme alanine aminotransferase have led to the proposal that this amino acid is preferentially synthesized in astrocytes and transferred from the astrocytic to the
Djalal Meziane-Cherif et al.
Proceedings of the National Academy of Sciences of the United States of America, 111(16), 5872-5877 (2014-04-09)
Vancomycin resistance in Gram-positive bacteria is due to production of cell-wall precursors ending in D-Ala-D-Lac or D-Ala-D-Ser, to which vancomycin exhibits low binding affinities, and to the elimination of the high-affinity precursors ending in D-Ala-D-Ala. Depletion of the susceptible high-affinity
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
Wenbo Wang et al.
Virology, 448, 229-237 (2013-12-10)
Envelope glycoprotein 2 (E2) of hepatitis C virus contains 18 conserved cysteine (Cys) residues in its ectodomain. By cysteine-alanine mutagenesis and function analysis, six Cys in H77 E2 (C494, C508, C552, C564, C607 and C644) were found to be indispensable
H Nørrelund et al.
Journal of internal medicine, 260(1), 11-21 (2006-06-23)
It is well known that chronic heart failure (CHF) is associated with insulin resistance and cachexia, but little is known about the underlying substrate metabolism. The present study was undertaken to identify disturbances of basal glucose, lipid and protein metabolism.
Sunita Venkateswaran et al.
Developmental medicine and child neurology, 56(1), 91-94 (2013-12-18)
The phenotype attributed to MECP2 mutations continues to expand. In addition to classic and variant Rett syndrome, phenotypes include non-specific intellectual disability and autism spectrum disorder in females, and fatal neonatal encephalopathy in males. One particular phenotype of parkinsonism, pyramidal
Nonenzymatic gluconeogenesis-like formation of fructose 1,6-bisphosphate in ice.
Messner CB
Proceedings of the National Academy of Sciences of the USA, 114(28), 7403-7407 (2017)
Venkatesh V Nemmara et al.
Biochemistry, 52(15), 2627-2637 (2013-04-09)
Bacterial dd-peptidases are the targets of the β-lactam antibiotics. The sharp increase in bacterial resistance toward these antibiotics in recent years has stimulated the search for non-β-lactam alternatives. The substrates of dd-peptidases are elements of peptidoglycan from bacterial cell walls.
Jin-Sil Kim et al.
Food chemistry, 189, 108-113 (2015-07-21)
The aim of this study was to analyse and reduce furan in various model systems. Furan model systems consisting of monosaccharides (0.5M glucose and ribose), amino acids (0.5M alanine and serine) and/or 1.0M ascorbic acid were heated at 121°C for
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
David S Wishart et al.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 871(2), 164-173 (2008-05-27)
With continuing improvements in analytical technology and an increased interest in comprehensive metabolic profiling of biofluids and tissues, there is a growing need to develop comprehensive reference resources for certain clinically important biofluids, such as blood, urine and cerebrospinal fluid
Benjamin J Des Soye et al.
Cell chemical biology, 26(12), 1743-1754 (2019-11-11)
The site-specific incorporation of non-canonical amino acids (ncAAs) into proteins via amber suppression provides access to novel protein properties, structures, and functions. Historically, poor protein expression yields resulting from release factor 1 (RF1) competition has limited this technology. To address
Yong Jin An et al.
International journal of cancer, 136(1), 162-171 (2014-05-07)
Leptomeningeal carcinomatosis (LC) is a metastatic cancer invading the central nervous system (CNS). We previously reported a metabolomic diagnostic approach as tested on an animal model and compared with current modalities. Here, we provide a proof of concept by applying
Dorte Lisbet Nielsen et al.
Cancer treatment reviews, 40(6), 701-715 (2014-04-16)
Oxaliplatin, irinotecan and 5-fluorouracil in combination with or without targeted therapies are well-documented treatment options for first- and second-line treatments of metastatic colorectal cancer. However, there are much less data on the beneficial effect on systemic therapy in the third-line
Using an adherent cell culture of the mouse subependymal zone to study the behavior of adult neural stem cells on a single-cell level
Ortega F, et al.
Nature Protocols, 6(12), 1847-1847 (2011)
J K Nicholson et al.
The Biochemical journal, 217(2), 365-375 (1984-01-15)
Resonances for the ketone bodies 3-D-hydroxybutyrate, acetone and acetoacetate are readily detected in serum, plasma and urine samples from fasting and diabetic subjects by 1H n.m.r. spectroscopy at 400 MHz. Besides the simultaneous observation of metabolites, the major advantage of
Xiangbing Mao et al.
PloS one, 10(9), e0137380-e0137380 (2015-09-04)
The present study was mainly conducted to determine whether dietary leucine supplementation could attenuate the decrease of the mucin production in the jejunal mucosa of weaned pigs infected by porcine rotavirus (PRV). A total of 24 crossbred barrows weaned at
Rachelle S Doody et al.
The New England journal of medicine, 369(4), 341-350 (2013-07-26)
Alzheimer's disease is characterized by the presence of cortical amyloid-beta (Aβ) protein plaques, which result from the sequential action of β-secretase and γ-secretase on amyloid precursor protein. Semagacestat is a small-molecule γ-secretase inhibitor that was developed as a potential treatment
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