Influence of beta-alanine supplementation on skeletal muscle carnosine concentrations and high intensity cycling capacity.

abstract：:Recently agmatine, decarboxylated arginine, has been shown to be an important biological compound in several animal tissues. This paper summarizes the known information regarding the transport of arginine, its decarboxylation and the effects of the agmatine formed mainly on NO and polyamine synthesis. ...

journal_title：Amino acids

authors： Grillo MA,Colombatto S

更新日期：2004-02-01 00:00:00

abstract：:Low concentrations of L-homoarginine (hArg) in plasma or serum and urine have recently emerged as a novel cardiovascular risk factor. Previously, we reported gas chromatography-mass spectrometry (GC-MS) and GC-tandem MS (GC-MS/MS) methods for the quantitative determination of hArg and Arg in plasma, serum, urine and o...

journal_title：Amino acids

authors： Hanff E,Kayacelebi AA,Yanchev GR,Maassen N,Haghikia A,Tsikas D

更新日期：2016-03-01 00:00:00

abstract：:The relative amounts of free D-amino acids (D-AA) in the urine of seven healthy volunteers (age 27 to 49 years) were determined using chiral phase (Chirasil-L-Val) capillary gas chromatography in conjunction with selected ion monitoring mass spectrometry. The absolute amounts of free D-AA were determined by pre-column...

journal_title：Amino acids

authors： Brückner H,Haasmann S,Friedrich A

更新日期：1994-06-01 00:00:00

abstract：:This study investigated the effect of agmatine (Agm) in proliferation of ovine trophecdoderm cells (oTr1) as well as the importance of the arginine decarboxylase (ADC) and agmatinase (AGMAT) alternative pathway for synthesis of polyamines in ovine conceptuses during the peri-implantation period of pregnancy. Morpholin...

journal_title：Amino acids

authors： Lenis YY,Elmetwally MA,Tang W,Satterfield C,Dunlap K,Wu G,Bazer FW

更新日期：2018-02-01 00:00:00

abstract：:Protein and peptide oxidation is a key feature in the progression of a variety of disease states and in the poor performance of protein-based products. The present work demonstrates a mass spectrometry-based approach to profiling degradation at the amino acid residue level. Synthetic peptides containing the photosensi...

journal_title：Amino acids

authors： Grosvenor AJ,Morton JD,Dyer JM

更新日期：2010-06-01 00:00:00

abstract：:Substance P (SP) is one of the most abundant peptides in the central nervous system and has been implicated in a variety of physiological and pathophysiological processes including stress regulation, as well as affective and anxiety-related behaviour. Consistent with these functions, SP and its preferred neurokinin 1 ...

journal_title：Amino acids

authors： Ebner K,Singewald N

更新日期：2006-10-01 00:00:00

abstract：:Polyamines, oxidized by serum amine oxidase, yield aminoaldehydes and hydrogen peroxide. Acrolein may be formed from the aminoaldehydes by a spontaneous beta-elimination process. These oxidation products "oxidized polyamines" inhibit bacterial growth and exhibit anticancer activity. The antimicrobial activity of oxidi...

journal_title：Amino acids

authors： Bachrach U

更新日期：2007-08-01 00:00:00

abstract：:Excitotoxicity induced by NMDA receptor stimulation is able to increase the activity of many enzymes involved in neuronal cell death. Primary cultures of rat cerebellar granule cells were used to elucidate the role of transglutaminase reaction in the excitotoxic cell response, and to evaluate the role of glutamate rec...

journal_title：Amino acids

authors： Caccamo D,Currò M,Cusumano G,Crisafulli G,Ientile R

更新日期：2004-03-01 00:00:00

abstract：:Mitochondria are essential cell organelles of eukaryotes. Hence, it is vitally important to develop an automated and reliable method for timely identification of novel mitochondrial proteins. In this study, mitochondrial proteins were encoded by dipeptide composition technology; then, the genetic algorithm-partial lea...

journal_title：Amino acids

authors： Tan F,Feng X,Fang Z,Li M,Guo Y,Jiang L

更新日期：2007-11-01 00:00:00

abstract：:Branched Chain Amino Acids (BCAAs) are related to different aspects of diseases like pathogenesis, diagnosis and even prognosis. While in some diseases, levels of all the BCAAs are perturbed; in some cases, perturbation occurs in one or two while the rest remain unaltered. In case of ischemic heart disease, there is a...

journal_title：Amino acids

authors： Ghosh S,Sengupta A,Chandra K

更新日期：2015-10-01 00:00:00

abstract：:Antimicrobial peptides (AMPs) constitute a diverse class of naturally occurring or synthetic antimicrobial molecules that have potential for use in the treatment of drug-resistant infections. Several undesirable properties of AMPs, however, may ultimately hinder their development as antimicrobial agents. Thus, new syn...

journal_title：Amino acids

authors： Dong N,Zhu X,Lv YF,Ma QQ,Jiang JG,Shan AS

更新日期：2014-09-01 00:00:00

abstract：:To evaluate the response of soybean to salt stress, the related changes in protein expression were investigated using the proteomic approach. Soybean plants were exposed to 0, 50, 100, and 200 mM NaCl. Especially at 200 mM, the length and fresh weight of the hypocotyl and root reduced under salt stress, while the prol...

journal_title：Amino acids

authors： Aghaei K,Ehsanpour AA,Shah AH,Komatsu S

更新日期：2009-01-01 00:00:00

abstract：:Our observations on the growth stimulatory nature of mimosine, (beta-(3-hydroxy-4-pyridon-1-yl)-L-alanine), the toxic non-protein plant amino acid, in some model experimental systems, warranted sensitive and selective routine estimations. For the determination of both mimosine and DHP, an indirect spectrophotometric m...

journal_title：Amino acids

authors： Lalitha K,Rajendra Kulothungan S

更新日期：2006-10-01 00:00:00

abstract：:Hypotaurine, concentrated under reduced pressure in HCl solution, partially (30-40%) degrades into taurine (about 30%), 2-aminoethyl-2-aminoethanethiolsulfonate (about 10%) and ethanolamine. The degradation products were identified using LC/APCI-MS, NMR, amino acid analysis and various chromatographies. The identities...

journal_title：Amino acids

authors： Duprè S,Spirito A,Pinnen F,Sugahara K,Kodama H

更新日期：1998-01-01 00:00:00

abstract：:The Disrupted-in-schizophrenia 1 (DISC1) gene is involved in vulnerability to neuropsychiatric disorders. Naples high-excitability (NHE) rat model neuropsychiatric problems characterized by an unbalanced mesocortical dopamine system. Here, we assessed behavioral and neurochemical effects of immunization against multim...

journal_title：Amino acids

authors： Ruocco LA,Treno C,Gironi Carnevale UA,Arra C,Boatto G,Pagano C,Tino A,Nieddu M,Michel M,Prikulis I,Carboni E,de Souza Silva MA,Huston JP,Sadile AG,Korth C

更新日期：2015-03-01 00:00:00

abstract：:The sulfur-containing amino acid, taurine (Tau), regulates glucose and lipid homeostasis under normal, pre- and diabetic conditions. Here, we aimed to verify whether Tau supplementation exerts its beneficial effects against obesity, hyperglycemia and alterations in islet functions, in leptin-deficient obese (ob/ob), o...

journal_title：Amino acids

authors： Borck PC,Vettorazzi JF,Branco RCS,Batista TM,Santos-Silva JC,Nakanishi VY,Boschero AC,Ribeiro RA,Carneiro EM

更新日期：2018-06-01 00:00:00

abstract：:The reactions of phosphorus trichloride with various amino acids afford the pentacoordinated spirophosphoranes. The reaction procedures were traced by (31)P NMR spectra techniques. A new crystal structure of alanine derivative was characterized, which is a slightly distorted TBP structure. Besides, this kind of spirop...

journal_title：Amino acids

authors： Yu L,Liu Z,Fang H,Zeng QL,Zhao YF

更新日期：2005-06-01 00:00:00

abstract：:Chemically defined amino acid diets have been developed for most laboratory and meat-producing animal species as well as for humans. In many cases, growth performance of animals fed these diets equals that obtained with standard intact-protein diets. The pattern of both essential and nonessential amino acids is critic...

journal_title：Amino acids

authors： Baker DH

更新日期：1992-02-01 00:00:00

abstract：:High-protein diets have been shown to alleviate detrimental effects of high-fat diets and this effect can be partially mimicked by dietary L-leucine supplementation. Here, we aimed to elucidate the early mechanisms and the specificity of leucine effects. We performed a 1-week trial with male C57BL/6 mice fed ad libitu...

journal_title：Amino acids

authors： Freudenberg A,Petzke KJ,Klaus S

更新日期：2013-02-01 00:00:00

abstract：:Nitric oxide synthase (NOS) activities are responsible for the enzymatic conversion of L-arginine into NO and L-citrulline. Relatively low amounts of NO are produced in intestinal epithelial cells or are released from nerve endings. The effects of NO production are related to the maintenance of epithelial integrity an...

journal_title：Amino acids

authors： Guihot G,Guimbaud R,Bertrand V,Narcy-Lambare B,Couturier D,Duée PH,Chaussade S,Blachier F

更新日期：2000-01-01 00:00:00

abstract：:The ethynylglycine synthon {(R)-2,2-dimethyl-3-(tert-butoxycarbonyl)-4-ethynyloxazolidine} is a chiral compound with valuable synthetic interest. An update on the different routes for its synthesis is reviewed and discussed. ...

journal_title：Amino acids

authors： Benfodda Z,Bénimélis D,Reginato G,Meffre P

更新日期：2015-02-01 00:00:00

abstract：:The kinetic mechanism of the transport catalyzed by the human glutamine/neutral amino acid transporter hASCT2 over-expressed in P. pastoris was determined in proteoliposomes by pseudo-bi-substrate kinetic analysis of the Na(+)-glutamineex/glutaminein transport reaction. A random simultaneous mechanism resulted from th...

journal_title：Amino acids

authors： Scalise M,Pochini L,Panni S,Pingitore P,Hedfalk K,Indiveri C

更新日期：2014-11-01 00:00:00

abstract：:Using a radioactive glutamate uptake assay and immunolabeling, we report that single-walled carbon nanotubes, chemically functionalized with polyethylene glycol (SWCNT-PEG), delivered as a colloidal solute, cause an increase in the uptake of extracellular glutamate by astrocytes and an increase in the immunoreactivity...

journal_title：Amino acids

authors： Gottipati MK,Bekyarova E,Haddon RC,Parpura V

更新日期：2015-07-01 00:00:00

abstract：:Histamine plays highlighted roles in the development of many common, emergent and rare diseases. In mammals, histamine is formed by decarboxylation of L-histidine, which is catalyzed by pyridoxal-5'-phosphate (PLP) dependent histidine decarboxylase (HDC, EC 4.1.1.22). The limited availability and stability of the prot...

journal_title：Amino acids

authors： Castro-Oropeza R,Pino-Ángeles A,Khomutov MA,Urdiales JL,Moya-García AA,Vepsäläinen J,Persson L,Sarabia F,Khomutov A,Sánchez-Jiménez F

更新日期：2014-03-01 00:00:00

abstract：:The ventral pallidum is part of the corticoaccumbo-thalamocortical loop of the basal ganglia. In the past the function of this structure was discussed as a pure relay station in the process of limbic-motor integration. Some recent studies, however, underline that on the level of the ventral pallidum motor behavior can...

journal_title：Amino acids

authors： Kretschmer BD

更新日期：2000-01-01 00:00:00

abstract：:Taurine can protect against cardiovascular diseases, whereas elevated levels of plasma homocysteine are associated with atherosclerotic and thromboembolic cardiovascular diseases. To illustrate the effects of taurine on hyperhomocysteinemia, we observed the myocardial mitochondria dysfunction in the rats with hyperhom...

journal_title：Amino acids

authors： Chang L,Xu J,Yu F,Zhao J,Tang X,Tang C

更新日期：2004-08-01 00:00:00

abstract：:Sensitivity to pharmacological challenges has been reported in patients with panic disorder. We have previously validated transgenic mice overexpressing the neurotrophin-3 (NT-3) receptor, TrkC (TgNTRK3), as an engineered murine model of panic disorder. We could determine that TgNTRK3 mice presented increased cellular...

journal_title：Amino acids

authors： Sahún I,Gallego X,Gratacòs M,Murtra P,Trullás R,Maldonado R,Estivill X,Dierssen M

更新日期：2007-11-01 00:00:00

abstract：:In the absence of exogenous Ca(2+) and Mg(2+) and in the presence of EGTA, which favours the release of endogenous Ca(2+), the polyamine spermine is able to stimulate the activity of pyruvate dehydrogenase complex (PDC) of energized rat liver mitochondria (RLM). This stimulation exhibits a gradual concentration-depend...

journal_title：Amino acids

authors： Pezzato E,Battaglia V,Brunati AM,Agostinelli E,Toninello A

更新日期：2009-03-01 00:00:00

abstract：:The transient receptor potential channels TRPV2 and TRPV5 belong to the vanilloid TRP subfamily. TRPV2 is highly similar to TRPV1 and shares many common properties with it. TRPV5 (and also its homolog TRPV6) is a rather distinct member of the TRPV subfamily. It is distant for being strictly Ca(2+)-selective and featur...

journal_title：Amino acids

authors： Holakovska B,Grycova L,Bily J,Teisinger J

更新日期：2011-02-01 00:00:00

abstract：:Dopa and related catecholamines and their degradation products have been demonstrated to have neurotoxic potential in a number of cellular and in vivo experiments. Several mechanisms have been hypothesized to be involved including generation of prooxidant products that subsequently oxidize membrane lipids and exposed ...

journal_title：Amino acids

authors： VonVoigtlander PF,Fici GJ,Althaus JS

更新日期：1998-01-01 00:00:00