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C7602

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Zhong-Wei Qu et al.
PloS one, 7(12), e52788-e52788 (2013-01-04)
Our laboratory once reported that neuronal nitric oxide synthase (nNOS) S-nitrosylation was decreased in rat hippocampus during cerebral ischemia-reperfusion, but the underlying mechanism was unclear. In this study, we show that nNOS activity is dynamically regulated by S-nitrosylation. We found...
Young-Mi Go et al.
Free radical biology & medicine, 50(4), 495-509 (2010-12-07)
Extracellular thiol/disulfide redox environments are highly regulated in healthy individuals. The major thiol/disulfide redox couple in human plasma is cysteine (Cys) and its disulfide form, cystine (CySS). Oxidation of this redox couple, measured as a more positive steady-state redox potential...
Ana C Ebrecht et al.
Biochimica et biophysica acta, 1850(1), 88-96 (2014-10-16)
Giardia lamblia is a pathogen of humans and other vertebrates. The synthesis of glycogen and of structural oligo and polysaccharides critically determine the parasite's capacity for survival and pathogenicity. These characteristics establish that UDP-glucose is a relevant metabolite, as it...
Pegah Saremirad et al.
Journal of chromatography. A, 1359, 70-75 (2014-08-06)
Chromatographic-based protein refolding techniques have proven to be superior to conventional dilution refolding methods, due to the higher loading concentration and simultaneous purification. Among these techniques, Size Exclusion Chromatography (SEC) has in particular been demonstrated as an effective method for...
Chie Monma et al.
Journal of clinical microbiology, 53(3), 859-867 (2015-01-09)
The epidemiological and bacteriological investigations on four foodborne outbreaks caused by a new type of enterotoxin-producing Clostridium perfringens are described. C. perfringens isolated from patients of these outbreaks did not produce any known enterotoxin and did not carry the C....
Gregory R Kardos et al.
Molecular cancer research : MCR, 13(10), 1408-1420 (2015-06-18)
Many processes are deregulated in melanoma cells and one of those is protein production. Although much is known about protein synthesis in cancer cells, effective ways of therapeutically targeting this process remain an understudied area of research. A process that...
Mina Fujitani et al.
Bioscience, biotechnology, and biochemistry, 79(8), 1342-1349 (2015-05-09)
We previously found that daidzein decreased food intake in female rats. The present study aimed to elucidate the relationship between dynamics of appetite-mediated neuropeptides and the anorectic effect of daidzein. We examined appetite-mediated gene expression in the hypothalamus and small...
Tine N Vinther et al.
Protein science : a publication of the Protein Society, 22(3), 296-305 (2013-01-03)
Insulin is a key hormone controlling glucose homeostasis. All known vertebrate insulin analogs have a classical structure with three 100% conserved disulfide bonds that are essential for structural stability and thus the function of insulin. It might be hypothesized that...
Orna Avsian-Kretchmer et al.
Molecular endocrinology (Baltimore, Md.), 18(1), 1-12 (2003-10-04)
TGF-beta family proteins with a cystine knot motif serve as ligands for diverse families of plasma membrane receptors. Bone morphogenetic protein (BMP) antagonists represent a subgroup of these proteins, some of which bind BMPs and antagonize their actions during development...
Michael J Weiser et al.
Journal of lipid research, 56(1), 151-166 (2014-11-21)
DHA is an important omega-3 PUFA that confers neurodevelopmental benefits. Sufficient omega-3 PUFA intake has been associated with improved mood-associated measures in adult humans and rodents, but it is unknown whether DHA specifically influences these benefits. Furthermore, the extent to...
Akinori Okumura et al.
FEBS letters, 587(5), 404-409 (2013-01-29)
Leukocyte cell-derived chemotaxin 2 (LECT2) is a secreted hepatic protein that has been associated with several physiological activities. LECT2 belongs to the peptidase M23 family, suggesting that it is a zinc-binding protein. To test this possibility, electrospray ionization mass spectrometry...
Amino acids: metabolism, functions, and nutrition.
Wu G
Amino Acids, 37(1), 1-17 (2009)
Masa Cemazar et al.
Antioxidants & redox signaling, 10(1), 103-111 (2007-10-27)
Cyclic cystine knot proteins are small but topologically complex molecules that occur naturally in plants and have a wide range of bioactivities that make them interesting from a pharmaceutical perspective. Their remarkable stability is dependent on the correct formation of...
Guang-Zhong Jiao et al.
PloS one, 8(3), e58018-e58018 (2013-03-08)
Although oocytes from prepubertal animals are found less competent than oocytes from adults, the underlying mechanisms are poorly understood. Using the mouse oocyte model, this paper has tested the hypothesis that the developmental potential of prepubertal oocytes is compromised due...
Alexander G Shtukenberg et al.
Proceedings of the National Academy of Sciences of the United States of America, 110(43), 17195-17198 (2013-10-09)
The theory of dislocation-controlled crystal growth identifies a continuous spiral step with an emergent lattice displacement on a crystal surface; a mechanistic corollary is that closely spaced, oppositely winding spirals merge to form concentric loops. In situ atomic force microscopy...
Elaine M Worcester et al.
BJU international, 97(6), 1285-1290 (2006-05-12)
A significant study from the USA compares cystine stone formers and routine stone formers; the former group had a higher requirement for therapeutic procedures, but this was less if they took chelating agents, although remaining higher than in the latter...
Richard Bridges et al.
Pharmacological reviews, 64(3), 780-802 (2012-07-05)
System x(c)(-) represents an intriguing target in attempts to understand the pathological states of the central nervous system. Also called a cystine-glutamate antiporter, system x(c)(-) typically functions by exchanging one molecule of extracellular cystine for one molecule of intracellular glutamate....
Fotios Tsopelas et al.
Journal of chromatography. A, 1396, 25-33 (2015-04-26)
The retention behavior of sixty structurally diverse drugs on two immobilized artificial membrane (IAM) columns, IAM.PC.MG and IAM.PC.DD2 types, at two pH values, 7.4 and 5.5, was established. Extrapolated to pure aqueous phase retention factors, logkw(IAM), were determined and the...
X-H Li et al.
Clinical radiology, 68(7), e370-e377 (2013-03-29)
To evaluate the feasibility of determining the chemical composition of urinary stones using computed tomography (CT) spectral imaging (SI) MATERIALS AND METHODS: Two hundred and ten urinary stones were scanned in vitro using the SI mode and conventional polychromatic imaging...
Mateusz Sikora et al.
Physical review letters, 109(20), 208101-208101 (2012-12-12)
We identify three dimeric proteins whose mechanostability is anisotropic and should exceed 1 nN along some directions. They come with distinct mechanical clamps: either shear-based, or involving a cystine slipknot, or due to dragging of a cystine plug through a...
Bulent Onal et al.
The Journal of urology, 190(1), 234-237 (2013-01-15)
We determined the effectiveness of percutaneous nephrolithotomy in children with cystine stones and present the long-term outcomes. We reviewed the data of 65 renal units in 51 children who underwent percutaneous nephrolithotomy for cystine stones between 2000 and 2012. Of...
Hanne Sørup Tastesen et al.
PloS one, 9(11), e112859-e112859 (2014-11-13)
Low-protein and high-protein diets regulate energy metabolism in animals and humans. To evaluate whether different dietary protein sources modulate energy balance when ingested at average levels obesity-prone male C57BL/6J mice were pair-fed high-fat diets (67 energy percent fat, 18 energy...
Anne C Conibear et al.
The Journal of biological chemistry, 288(15), 10830-10840 (2013-02-23)
θ-Defensins are ribosomally synthesized cyclic peptides found in the leukocytes of some primate species and have promising applications as antimicrobial agents and scaffolds for peptide drugs. The cyclic cystine ladder motif, comprising a cyclic peptide backbone and three parallel disulfide...
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...
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 <...
Young-Mi Go et al.
Critical reviews in biochemistry and molecular biology, 48(2), 173-181 (2013-01-30)
Rapid advances in redox systems biology are creating new opportunities to understand complexities of human disease and contributions of environmental exposures. New understanding of thiol-disulfide systems have occurred during the past decade as a consequence of the discoveries that thiol...
T Peters et al.
Human molecular genetics, 12(17), 2109-2120 (2003-08-19)
Cystinuria, one of the most common inborn errors of metabolism in humans, accounts for 1-2% of all cases of renal lithiasis. It is caused by defects in the heterodimeric transporter system rBAT/b0,+AT, which lead to reduced reabsorption of cystine and...
P A LeWitt et al.
Neurology, 42(11), 2111-2117 (1992-11-01)
We used two analytic methods (a multichannel coulometric electrode array with high-performance liquid chromatography, and gas chromatography-mass spectrophotometry) to measure CSF dopamine (DA) and its metabolites in mildly affected, unmedicated subjects with Parkinson's disease (PD). The mean (+/- SD) concentration...
S Engelborghs et al.
Neurochemical research, 28(8), 1145-1150 (2003-07-02)
To study changes in amino acid metabolism and biogenic amines in Parkinson's disease, we set up a prospective study and measured biogenic amines, their main metabolites, and 22 different amino acids, in cerebrospinal fluid of Parkinson's disease patients (n =...
Hayato Maeda et al.
Marine drugs, 13(8), 4799-4813 (2015-08-08)
Fucoxanthin (Fx) is a marine carotenoid found in edible brown seaweeds. We previously reported that dietary Fx metabolite into fucoxanthinol (FxOH), attenuates the weight gain of white adipose tissue of diabetic/obese KK-Ay mice. In this study, to evaluate anti-diabetic effects...
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