Enantiopure beta3-amino acids-2,2-d2 via homologation of proteinogenic alpha-amino acids.

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：:Cell-penetrating peptides, a group of short peptides, can traverse cell membranes to enter cells and thus facilitate the uptake of various molecular cargoes. Thus, they have the potential to become powerful drug delivery systems. The correct identification of peptides as cell-penetrating or non-cell-penetrating would ...

journal_title：Amino acids

authors： Chen L,Chu C,Huang T,Kong X,Cai YD

更新日期：2015-07-01 00:00:00

abstract：:Antimicrobial peptides (AMPs) with amphipathic β-hairpin structures have been demonstrated to possess potent antimicrobial activities and great cell selectivities. However, our understanding of β-hairpin antimicrobial peptides lags behind that of α-helices, mainly because it is difficult for short peptides to form rob...

journal_title：Amino acids

authors： Xu L,Chou S,Wang J,Shao C,Li W,Zhu X,Shan A

更新日期：2015-11-01 00:00:00

abstract：:Based on previous research with bovine peadipocytes, we hypothesized that infusion of arginine into the abomasum of Angus steers stimulates stearoyl-CoA desaturase (SCD) gene expression in bovine subcutaneous (s.c.) adipose tissue, and that this would be attenuated by conjugated linoleic acid (CLA). Growing Angus stee...

journal_title：Amino acids

authors： Choi SH,Wickersham TA,Wu G,Gilmore LA,Edwards HD,Park SK,Kim KH,Smith SB

更新日期：2014-02-01 00:00:00

abstract：:In order to adapt to ever changing environmental conditions, bacteria sense environmental stimuli, and convert them into signals that are transduced intracellularly. Several mechanisms have evolved by which receptors transmit signals across the cytoplasmic membrane. Stimulus perception may trigger receptor dimerizatio...

journal_title：Amino acids

authors： Tetsch L,Jung K

更新日期：2009-09-01 00:00:00

abstract：:One pathogenic mechanism of ethanol-induced liver injury is the excessive production of reactive oxygen species (ROS), which may result in alcoholic liver disease (ALD) characterized by cell death due to necrosis and apoptosis. Taurine was proved to protect against liver damage. However, whether taurine attenuates eth...

journal_title：Amino acids

authors： Wu G,Yang J,Lv H,Jing W,Zhou J,Feng Y,Lin S,Yang Q,Hu J

更新日期：2018-07-01 00:00:00

abstract：:The glutamate/cystine antiporter system x(c)(-) transports cystine into cells in exchange for glutamate at a ratio of 1:1. It is composed of a specific light chain, xCT, and a heavy chain, 4F2, linked by a disulfide bridge. Intracellularly, cystine is reduced into cysteine, the rate-limiting precursor of glutathione (...

journal_title：Amino acids

authors： Lewerenz J,Maher P,Methner A

更新日期：2012-01-01 00:00:00

abstract：:This study investigated the effect of taurine and β-alanine supplementation on muscle function and muscle taurine transporter (TauT) protein expression in mdx mice. Wild-type (WT) and mdx mice (5 months) were supplemented with taurine or β-alanine for 4 weeks, after which in vitro contractile properties, fatigue resis...

journal_title：Amino acids

authors： Horvath DM,Murphy RM,Mollica JP,Hayes A,Goodman CA

更新日期：2016-11-01 00:00:00

abstract：:The leptin receptor antagonist peptide Allo-aca exhibits picomolar activities in various cellular systems and sub-mg/kg subcutaneous efficacies in animal models making it a prime drug candidate and target validation tool. Here we identified the biochemical basis for its remarkable in vivo activity. Allo-aca decomposed...

journal_title：Amino acids

authors： Otvos L Jr,Vetter SW,Koladia M,Knappe D,Schmidt R,Ostorhazi E,Kovalszky I,Bionda N,Cudic P,Surmacz E,Wade JD,Hoffmann R

更新日期：2014-04-01 00:00:00

abstract：:3-Hydroxyaspartic acid and its derivatives are found both in the free form and as peptide constituents in various microorganisms and fungi. Considering the biological importance of this amino acid and its potential utility as a multifunctional building block in organic syntheses, we have developed a short-step, asymme...

journal_title：Amino acids

authors： Khalaf JK,Datta A

更新日期：2008-08-01 00:00:00

abstract：:Pyridoxamine (PM) has long been known to inhibit protein glycation via various mechanisms of action. One such mechanism involves the scavenging of carbonyl compounds with glycating ability. Despite the abundant literature on this topic, few quantitative kinetic studies on the processes involved have been reported. In ...

journal_title：Amino acids

authors： Adrover M,Vilanova B,Frau J,Muñoz F,Donoso J

更新日期：2009-03-01 00:00:00

abstract：:BE-3-3-3-3 (1,15-(ethylamino)4,8,12-triazapentadecane) is a bis(ethyl)polyamine analogue under investigation as a therapeutic agent for breast cancer. Since estradiol (E(2)) is a critical regulatory molecule in the growth of breast cancer, we examined the effect of BE-3-3-3-3 on estrogen receptor α (ERα) positive MCF-...

journal_title：Amino acids

authors： Nayvelt I,John S,Hsu HC,Yang P,Liu W,Das G,Hyvönen MT,Alhonen L,Keinänen TA,Shirahata A,Patel R,Thomas T,Thomas TJ

更新日期：2012-02-01 00:00:00

abstract：:Spore coat-associated alanine racemase of Bacillus subtilis, which converts L-alanine to D-alanine, that is, the germinant to the competitive inhibitor, to regulate spore germination for survival of the organism under unfavorable growth conditions, was examined. The dormant spores, L-alanine-initiated germination of w...

journal_title：Amino acids

authors： Kanda-Nambu K,Yasuda Y,Tochikubo K

更新日期：2000-01-01 00:00:00

abstract：:The effect of up-regulation of putrescine (Put) production by genetic manipulation on the turnover of spermidine (Spd) and spermine (Spm) was investigated in transgenic cells of poplar (Populus nigra × maximowiczii) and seedlings of Arabidopsis thaliana. Several-fold increase in Put production was achieved by expressi...

journal_title：Amino acids

authors： Shao L,Bhatnagar P,Majumdar R,Minocha R,Minocha SC

更新日期：2014-03-01 00:00:00

abstract：:Recently, crystalized mouse ketimine reductase/CRYM complexed with NADPH was found to have pyruvate bound in its active site. We demonstrate that the enzyme binds α-keto acids, such as pyruvate, in solution, and catalyzes the formation of N-alkyl-amino acids from alkylamines and α-keto acids (via reduction of imine in...

journal_title：Amino acids

authors： Hallen A,Cooper AJ,Smith JR,Jamie JF,Karuso P

更新日期：2015-11-01 00:00:00

abstract：:Glycine is a major amino acid in mammals and other animals. It is synthesized from serine, threonine, choline, and hydroxyproline via inter-organ metabolism involving primarily the liver and kidneys. Under normal feeding conditions, glycine is not adequately synthesized in birds or in other animals, particularly in a ...

journal_title：Amino acids

authors： Wang W,Wu Z,Dai Z,Yang Y,Wang J,Wu G

更新日期：2013-09-01 00:00:00

abstract：:In this study, an optically active diamine, N,N'-(pyromellitoyl)-bis{N-[4(4-aminophenoxy)phenyl]-2-(4-methyl)pentanamide} (1) containing amino acid L-leucine was prepared in three steps. The step-growth polymerization of this chiral diamine with several diisocyanates in room temperature ionic liquid (IL), 1,3-dipropyl...

journal_title：Amino acids

authors： Mallakpour S

更新日期：2011-02-01 00:00:00

abstract：:In this review, recent studies on the electrophysiological effects of de novo synthesized ("endogenous") kynurenic acid (KYNA) are discussed. Endogenous KYNA is normally formed as a byproduct of tryptophan metabolism. Evidence for a physiological role in neuronal excitability has not been strong, in part because brain...

journal_title：Amino acids

authors： Scharfman HE,Goodman JH,Schwarcz R

更新日期：2000-01-01 00:00:00

abstract：:We present an optimized procedure for the synthesis of (S)-vinylglycine from (S)-methionine. The key step is a solvent free pyrolysis of an intermediate sulfoxide at high temperature. Using our optimized reaction conditions, Cbz-protected vinylglycine was obtained in high yield and with almost no side products. The pr...

journal_title：Amino acids

authors： Küchenthal CH,Migenda J,Polednia M,Maison W

更新日期：2010-07-01 00:00:00

abstract：:The streptococcal enzyme that catalyzes the last step in proline biosynthesis was heterologously expressed and the recombinant protein was purified to electrophoretic homogeneity and characterized thoroughly. As for δ1-pyrroline-5-carboxylate reductases from other sources, it was able to use either NADH or NADPH as th...

journal_title：Amino acids

authors： Petrollino D,Forlani G

更新日期：2012-07-01 00:00:00

abstract：:The lysine catabolism pathway differs in adult mammalian brain from that in extracerebral tissues. The saccharopine pathway is the predominant lysine degradative pathway in extracerebral tissues, whereas the pipecolate pathway predominates in adult brain. The two pathways converge at the level of ∆(1)-piperideine-6-ca...

journal_title：Amino acids

authors： Hallen A,Jamie JF,Cooper AJ

更新日期：2013-12-01 00:00:00

abstract：:By application with 2-aminoethanol (2-AE) and choline chloride (CC) in pot experiments the effect of drought stress on barley plants was diminished. In treated plants an increase of the grain yield by 14% (2-AE) and 40% (CC) and a decrease of the stress metabolites glycine betaine and trigonelline was observed. Additi...

journal_title：Amino acids

authors： Bergmann H,Machelett B,Leinhos V

更新日期：1994-10-01 00:00:00

abstract：:Factor VIII, the plasma protein deficient or defective in individuals with hemophilia A, is a critical member of the blood coagulation cascade. Recent studies have identified the FVIII light chain region Glu1811-Lys1818 as being involved in FIXa binding and in the assembly of the FX-activating FIXaz-FVIIIa complex. Ba...

journal_title：Amino acids

authors： Patsialas K,Koutsas C,Makris P,Liakopoulou-Kyriakides M

更新日期：2010-07-01 00:00:00

abstract：:A subline growing in medium without arginine and ornithine was established from a rat Reuber hepatoma cell line (R-Y121B·cho). The subline designated R-Y117B·cho was able to grow in glutamine, arginine and ornithine-free, glutamate-supplemented medium. Arginine synthesis from glutamate requires four urea cycle enzymes...

journal_title：Amino acids

authors： Yamamoto K,Niwa A

更新日期：1996-09-01 00:00:00

abstract：:Granulocyte-colony stimulating factor stimulates production and antibacterial function of neutrophiles. Therapy using the recombinant protein drug represents a major step forward in oncology. The protein has not been, however, completely sequenced at the protein level and this formed the rationale of the current study...

journal_title：Amino acids

authors： Ahmed KE,Chen WQ,John JP,Kang SU,Lubec G

更新日期：2010-04-01 00:00:00

abstract：:This investigation sought to examine the contributions of exercise and nutrient replenishment on in vivo regulation of the insulin-like growth factor-I (IGF-I) axis components. Eight college-aged males completed three high-intensity interval training (HIIT) protocols followed by three post-exercise nutritional protoco...

journal_title：Amino acids

authors： Foster EB,Fisher G,Sartin JL,Elsasser TH,Wu G,Cowan W,Pascoe DD

更新日期：2012-04-01 00:00:00

abstract：:In yeast, toxicity of acetaminophen (APAP), a frequently used analgesic and antipyretic drug, depends on ubiquitin-controlled processes. Previously, we showed a remarkable overlap in toxicity profiles between APAP and tyrosine, and a similarity with drugs like rapamycin and quinine, which induce degradation of the ami...

journal_title：Amino acids

authors： Huseinovic A,Dekker SJ,Boogaard B,Vermeulen NPE,Kooter JM,Vos JC

更新日期：2018-10-01 00:00:00

abstract：:When considering protein phosphorylation in bacteria, phosphorylation of aspartic acid and histidine residues mediated by the two-component systems is the first to spring to mind. And yet other phosphorylation systems have been described in bacteria in the past 20 years including eukaryotic-like serine/threonine kinas...

journal_title：Amino acids

authors： Bechet E,Guiral S,Torres S,Mijakovic I,Cozzone AJ,Grangeasse C

更新日期：2009-09-01 00:00:00

abstract：:In an attempt to increase our knowledge regarding the mechanisms of surfactant membrane interaction, we studied the action of several anionic and cationic amino acid-based surfactants on membrane fluidity using fluorescence anisotropy. Anisotropy measurements demonstrated that almost all of the surfactants studied dis...

journal_title：Amino acids

authors： Martínez V,Sánchez L,Busquets MA,Infante MR,Pilar Vinardell M,Mitjans M

更新日期：2007-09-01 00:00:00

abstract：:We proposed that the combination of conjugated linoleic acid (CLA) and arginine would decrease adiposity by depressing lipid synthesis in liver and adipose tissues of growing pigs. Pigs were allotted to treatments in a 2 × 2 factorial design with two lipids (CLA or canola oil) and two amino acids [L-arginine or L-alan...

journal_title：Amino acids

authors： Go G,Wu G,Silvey DT,Choi S,Li X,Smith SB

更新日期：2012-10-01 00:00:00