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Allantoin as an independent marker associated with carotid intima-media thickness in subclinical atherosclerosis BJMBR
Santana,M.S.; Nascimento,K.P.; Lotufo,P.A.; Benseñor,I.M.; Meotti,F.C..
Allantoin is the main product of uric acid oxidation and was found to be augmented in atherosclerotic plaque in human autopsy and in animal models of atherosclerosis. Uric acid is abundant in human plasma and is prone to oxidation in inflammatory conditions such as atherosclerosis. In this study, we found a significant increase in plasma uric acid (P=0.002) and allantoin (P=0.025) in participants of the Brazilian Longitudinal Study of Adult Health (ELSA-Brasil) that presented common carotid intima-media thickness (c-IMT) within the 75th percentile (c-IMT≥P75). Multiple linear regression showed an association of c-IMT with uric acid (β=0.0004, P=0.014) and allantoin (β=0.018, P=0.008). This association was independent of age, the traditional risk factor...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Allantoin; Uric acid; Common carotid intima-media thickness; Atherosclerosis; Oxidation.
Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2018000800613
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Isolation and regeneration of transiently transformed protoplasts from gametophytic blades of the marine red alga Porphyra yezoensis Electron. J. Biotechnol.
Takahashi,Megumu; Uji,Toshiki; Saga,Naotsune; Mikami,Koji.
Despite the recent progress of transient gene expression systems in a red alga Porphyra yezoensis by particle bombardment, a stable transformation system has yet to establish in any marine red macrophytes. One of the reasons of the difficulty in genetic transformation in red algae is the lack of systems to select and isolate transformed cells from gametophytic blades. Thus, toward the establishment of the stable transformation system in P. yezoensis, we have developed a procedure by which transiently transformed gametophytic cells were prepared from particle bombarded-gametophytic blade as regeneratable protoplasts. Using mixture of marine bacterial enzymes, yield of protoplasts was high as reported elsewhere; however, these protoplasts did not develop. In...
Tipo: Journal article Palavras-chave: Allantoin; Protoplast; P. yezoensis; Regeneration; Transient gene expression.
Ano: 2010 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-34582010000200008
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Microbial protein synthesis in young steers fed with grass silage and extruded corn Chilean J. Agric. Res.
Barchiesi-Ferrari,Claudia; Anrique,René.
Microbial protein synthesis is essential to meet protein requirements in ruminants. The aim of this investigation was to evaluate the effect of incorporating extruded corn (Zea mays L.) into the ration of young steers fed with grass silage on microbial protein synthesis (MPS). Twenty young steers in metabolic cages were used for supplying food. The treatments consisted of combinations of extruded corn (EC) and ground corn (GC) EC-10 (10% EC-30% GC); EC-25 (25% EC-15% GC) and EC-40 (40% EC-0% GC). These foods constituted 40% of the ration (DM-based) and the remaining 60% was grass silage. The MPS was calculated through the excretion of purine derivatives (PD) in the urine, using total collection of urine. The inclusion of a higher percentage of extruded...
Tipo: Journal article Palavras-chave: Purine derivatives; Extrusion; Allantoin; Microbial protein synthesis; Zea mays.
Ano: 2012 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-58392012000400012
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Variation in the ureide content of Jack Bean during the reproductive stages in response to nitrate BABT
Camargos,Liliane Santos; Aguiar,Leandro Ferreira; Carmezini,José Antônio; Azevedo,Ricardo Antunes.
Nitrogen is frequently the limiting mineral nutrient for plant productivity and it is essential to obtain an understanding of how this element is assimilated and its metabolism regulated, in crop plants. The objective of this work was to study nitrogen metabolism in the tropical legume Canavalia ensiformis, a plant species used as a green manure. The nitrate dose provided changed the concentrations of ureides exported via the xylem, whilst the developmental stage alterations demonstrated to influence the form of ureide exported via the xylem. Considering the content of ureides as an indicator of N-fixation status, it could be concluded that N-fixation was affected in the presence of nitrate in C. ensiformis.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Nitrogen metabolism; Allantoin; Allantoic acid; Canavalia ensiformis; Ureides.
Ano: 2009 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132009000300009
Registros recuperados: 4
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