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O B Christiansen et al.
BJOG : an international journal of obstetrics and gynaecology, 122(4), 500-508 (2014-11-22)
To determine whether infusions with intravenous immunoglobulin (IVIg) during early pregnancy increase live birth rate in women with secondary recurrent miscarriage compared with placebo. A single-centre, randomised, double-blind, placebo-controlled trial. A tertiary centre for recurrent miscarriage in Copenhagen, Denmark. A
Angela T S Wyse et al.
Metabolic brain disease, 26(3), 159-172 (2011-06-07)
Proline is an amino acid with an essential role for primary metabolism and physiologic functions. Hyperprolinemia results from the deficiency of specific enzymes for proline catabolism, leading to tissue accumulation of this amino acid. Hyperprolinemic patients can present neurological symptoms
Guoyao Wu et al.
Amino acids, 40(4), 1053-1063 (2010-08-11)
Proline plays important roles in protein synthesis and structure, metabolism (particularly the synthesis of arginine, polyamines, and glutamate via pyrroline-5-carboxylate), and nutrition, as well as wound healing, antioxidative reactions, and immune responses. On a per-gram basis, proline plus hydroxyproline are
Shankumar Mooyottu et al.
International journal of food microbiology, 192, 111-116 (2014-12-03)
Clostridium difficile is a pathogen of significant public health concern causing a life-threatening, toxin-mediated enteric disease in humans. The incidence and severity of the disease associated with C. difficile have increased in the US with the emergence of hypervirulent strains
K Kuchta et al.
Die Pharmazie, 68(7), 534-540 (2013-08-09)
Stachydrine ((2S)-1,1-dimethylpyrrolidinium-2-carboxylic acid) may be regarded as an essential active principle of the aerial parts of Leonurus japonicus Houtt. (Leonuri herba, yimucao; Chin.Ph., DAB) which are used in TCM and Kampo for the treatment of various gynaecological and cardiovascular disorders.
Lu Zhang et al.
Journal of bacteriology, 197(3), 431-440 (2014-11-12)
The oxidation of l-proline to glutamate in Gram-negative bacteria is catalyzed by the proline utilization A (PutA) flavoenzyme, which contains proline dehydrogenase (PRODH) and Δ(1)-pyrroline-5-carboxylate (P5C) dehydrogenase domains in a single polypeptide. Previous studies have suggested that aside from providing
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
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
Katherine A Glass et al.
Biomaterials, 35(22), 5921-5931 (2014-04-29)
The pathogenesis of osteoarthritis is mediated in part by inflammatory cytokines including interleukin-1 (IL-1), which promote degradation of articular cartilage and prevent human mesenchymal stem cell (MSC) chondrogenesis. In this study, we combined gene therapy and functional tissue engineering to
R A Wevers et al.
Clinical chemistry, 40(7 Pt 1), 1245-1250 (1994-07-01)
Although spin-echo techniques are often used to obtain 1H-NMR spectra of serum or plasma samples, they do not provide reliable quantitative analyses of metabolites. We present a standardized procedure, optimized for sensitivity, for using single-pulse 1H-NMR spectroscopy to analyze deproteinized
Jasmin Hotzy et al.
The Journal of biological chemistry, 288(51), 36492-36501 (2013-11-12)
Excitatory amino acid transporters (EAATs) are crucial for glutamate homeostasis in the mammalian central nervous system. They are not only secondary active glutamate transporters but also function as anion channels, and different EAATs vary considerably in glutamate transport rates and
Marco Scocchi et al.
Cellular and molecular life sciences : CMLS, 68(13), 2317-2330 (2011-05-20)
Proline-rich antimicrobial peptides are a group of cationic host defense peptides of vertebrates and invertebrates characterized by a high content of proline residues, often associated with arginine residues in repeated motifs. Those isolated from some mammalian and insect species, although
Wencai Qi et al.
Biochemical and biophysical research communications, 450(2), 1010-1015 (2014-06-28)
It has been established that gamma rays at low doses stimulate the tolerance to salt stress in plants. However, our knowledge regarding the molecular mechanism underlying the enhanced salt tolerance remains limited. In this study, we found that 50-Gy gamma
Tsung-Lin Tsai et al.
The spine journal : official journal of the North American Spine Society, 14(9), 2127-2140 (2014-06-03)
Intervertebral disc (IVD) degeneration often causes back pain. Current treatments for disc degeneration, including both surgical and nonsurgical approaches, tend to compromise the disc movement and cannot fully restore functions of the IVD. Instead, cell-based IVD tissue engineering seems promising
Paul J Kennedy et al.
Psychopharmacology, 232(8), 1357-1371 (2014-10-24)
A visuospatial episodic memory impairment has recently been identified in irritable bowel syndrome. Increased tryptophan metabolism along the kynurenine pathway has also been reported in irritable bowel syndrome, which may play a role in altered cognitive performance as peripheral kynurenine
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
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
Ryushi Kawakami et al.
Applied microbiology and biotechnology, 93(1), 83-93 (2011-11-18)
Dye-linked L-proline dehydrogenase (ProDH) catalyzes the oxidation of L-proline to ∆(1)-pyrroline-5-carboxylate (P5C) in the presence of artificial electron acceptors. The enzyme is known to be widely distributed in bacteria and eukarya, together with nicotinamide adenine dinucleotide (phosphate)-dependent P5C dehydrogenase, and
Khader Valli Rupanagudi et al.
Annals of the rheumatic diseases, 74(2), 452-463 (2013-12-05)
Major histocompatibility complex (MHC) class II-mediated priming of T and B lymphocytes is a central element of autoimmunity in systemic lupus erythematosus (SLE) and lupus nephritis. The cysteine protease cathepsin S degrades the invariant peptide chain during MHC II assembly
R L Kitchener et al.
Journal of applied microbiology, 113(2), 233-247 (2012-04-20)
Prolidase is a multifunctional enzyme that possesses the unique ability to degrade imidodipeptides in which a proline or hydroxyproline residue is located at the C-terminal end. Prolidases have been isolated from archaea and bacteria, where they are thought to participate
[Treatment of hepatitis C infection. A revolution should not hide another].
Philippe Sogni
Presse medicale (Paris, France : 1983), 43(4 Pt 1), 339-340 (2014-03-26)
James M Phang et al.
Frontiers in bioscience (Landmark edition), 17, 1835-1845 (2011-12-29)
Proline plays a special role in cancer metabolism. Proline oxidase (POX), a.k.a. proline dehydrogenase (PRODH), is among a few genes induced rapidly and robustly by P53, the tumor suppressor. Ectopic expression of POX under control of tet-off promoter initiated mitochondrial
Neta Sal-Man et al.
Biochimica et biophysica acta, 1838(9), 2313-2318 (2014-05-21)
Assembly of transmembrane domains (TMDs) is a critical step in the function of membrane proteins. In recent years, the role of specific amino acids in TMD-TMD interactions has been better characterized, with more emphasis on polar and aromatic residues. Despite
Yifeng Xue et al.
Experimental and clinical transplantation : official journal of the Middle East Society for Organ Transplantation, 12(3), 253-260 (2014-06-09)
To evaluate the immunomodulatory properties of human amniotic mesenchymal stromal cells. Human amniotic mesenchymal stromal cells were isolated, characterized by flow cytometry, cultured in vitro, and evaluated in allogeneic and xenogeneic mixed lymphocyte reactions. The proliferation of T cells and
Marie Couturier et al.
The Journal of biological chemistry, 288(20), 14624-14635 (2013-04-06)
The microbial deconstruction of the plant cell wall is a key biological process that is of increasing importance with the development of a sustainable biofuel industry. The glycoside hydrolase families GH5 (PaMan5A) and GH26 (PaMan26A) endo-β-1,4-mannanases from the coprophilic ascomycete
John M Curto et al.
Organic letters, 16(7), 1948-1951 (2014-03-29)
The first asymmetric synthesis of α-allyl-α-aryl α-amino acids by means of a three-component coupling of α-iminoesters, Grignard reagents, and cinnamyl acetate is reported. Notably, the enolate from the tandem process provides a much higher level of reactivity and selectivity than
Effectiveness research in the evolving HCV landscape.
Lisa I Backus et al.
Digestive diseases and sciences, 59(12), 2845-2847 (2014-09-06)
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).
G Boden et al.
The Journal of clinical investigation, 73(3), 785-793 (1984-03-01)
The effects of glucagon deficiency and excess on plasma concentrations of 21 amino acids were studied in six normal human subjects for 8 h. During glucagon deficiency, produced by intravenous infusion of somatostatin (0.5 mg/h) and insulin (5 mU/kg per
D S Gill et al.
Journal of clinical pathology, 44(3), 243-245 (1991-03-01)
Plasma histamine concentrations were measured using a commercially available monoclonal antibody radioimmunoassay in 38 patients with nephrotic syndrome, end stage renal failure, those receiving haemodialysis, and those receiving continuous ambulatory peritoneal dialysis to determine whether histamine may mediate damage to
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