Release of gamma-amino[3H]butyric acid from cultured amacrine-like neurons mediated by different excitatory amino acid receptors.

abstract：:Challenge of protease-activated receptors induces cytosolic Ca(2+) concentration ([Ca(2+) ](c)) increase, mitogen-activated protein kinase activation and reactive oxygen species (ROS) formation with a bandwidth of responses in individual cells. We detected in this study in situ the thrombin-induced [Ca(2+) ](c) rise a...

journal_title：Journal of neurochemistry

authors： Zündorf G,Reiser G

更新日期：2011-12-01 00:00:00

abstract：:We have investigated the molecular mechanisms of neurotrophin-mediated cell survival in HT22 cells, a murine cell line of hippocampal origin, expressing the brain-derived neurotrophic factor (BDNF) receptor TrkB as well as the TrkB.T1 splice variant. Stimulation with BDNF protected HT22-TrkB cells, but not HT22-TrkB.T...

journal_title：Journal of neurochemistry

authors： Rössler OG,Giehl KM,Thiel G

更新日期：2004-03-01 00:00:00

abstract：:Previous histological, electrophysiological, and biochemical reports have addressed the hypothesis that serotonin functions as a neurotransmitter in mammalian retinas. We have tested the effect on the levels of cyclic AMP of the application of exogenous serotonin, 5-methoxytryptamine, melatonin, and 5-methoxydimethyl-...

journal_title：Journal of neurochemistry

authors： Blazynski C,Ferrendelli JA,Cohen AI

更新日期：1985-08-01 00:00:00

abstract：:Matrix metalloproteinases (MMPs) are a large family of proteases involved in many cell-matrix and cell-cell signalling processes through activation, inactivation or release of extracellular matrix (ECM) and non-ECM molecules, such as growth factors and receptors. Uncontrolled MMP activities underlie the pathophysiolog...

journal_title：Journal of neurochemistry

authors： Van Hove I,Lemmens K,Van de Velde S,Verslegers M,Moons L

更新日期：2012-10-01 00:00:00

abstract：:Analysis of the initial rates of 45Ca2+ uptake by rat brain mitochondria in Ca2+-1,2-bis(o-aminophenoxy)ethane-N,N,N',N'-tetraacetic acid buffers indicated that nontelencephalic mitochondria exhibited both a much less pronounced stimulatory effect of spermine and significantly more hyperbolic kinetics of Ca2+ uptake t...

journal_title：Journal of neurochemistry

authors： Jensen JR,Lynch G,Baudry M

更新日期：1989-10-01 00:00:00

abstract：:A diverse group of neurodegenerative diseases - including progressive supranuclear palsy (PSP), corticobasal degeneration and Alzheimer's disease among others, collectively referred to as tauopathies - are characterized by progressive, age-dependent intracellular formations of misfolded protein aggregates that play ke...

journal_title：Journal of neurochemistry

authors： Pasinetti GM,Ksiezak-Reding H,Santa-Maria I,Wang J,Ho L

更新日期：2010-09-01 00:00:00

abstract：:Carboxypeptidase E (CPE) functions in the posttranslational processing of bioactive peptides. Like other peptide processing enzymes, CPE is initially produced as a precursor ("proCPE") that undergoes posttranslational processing at a site containing five adjacent Arg residues near the N-terminus and at other sites nea...

journal_title：Journal of neurochemistry

authors： Song L,Fricker L

更新日期：1995-07-01 00:00:00

abstract：:To further analyze the action of copper on brain synaptic mechanisms, the brain dipeptide carnosine (beta-alanyl-L-histidine) was tested in Xenopus laevis oocytes expressing the rat P2X4 or P2X7 receptors. Ten micromolar copper halved the currents evoked by ATP in both receptors; co-application of carnosine plus coppe...

journal_title：Journal of neurochemistry

authors： Coddou C,Villalobos C,González J,Acuña-Castillo C,Loeb B,Huidobro-Toro JP

更新日期：2002-02-01 00:00:00

abstract：:Human brain aldose reductase and hexonate dehydrogenase are inhibited by alrestatin (AY 22,284) and sorbinil (CP 45,634). Inhibition by alrestatin is noncompetitive for both enzymes, and slightly stronger for hexonate dehydrogenase (KI values 52-250 microM) than for aldose reductase (KI values 170-320 microM). Sorbini...

journal_title：Journal of neurochemistry

authors： O'Brien MM,Schofield PJ,Edwards MR

更新日期：1982-09-01 00:00:00

abstract：:The present study demonstrates that [3H]imipramine binds to both high- and low-affinity imipramine binding components on membranes prepared from rat cerebral cortex. Scatchard and computer analyses of saturation experiments using a wide range of [3H]imipramine concentrations (0.5 nM-50 nM) revealed the presence of two...

journal_title：Journal of neurochemistry

authors： Conway PG,Brunswick DJ

更新日期：1985-07-01 00:00:00

abstract：:Metabolic alterations in amino acids, high-energy phosphates, and intracellular pH during and after insulin hypoglycemia in the rat brain was studied in vivo by 1H and 31P nuclear magnetic resonance (NMR) spectroscopy. Sequential accumulations of 1H and 31P spectra were obtained from a double-tuned surface coil positi...

journal_title：Journal of neurochemistry

authors： Behar KL,den Hollander JA,Petroff OA,Hetherington HP,Prichard JW,Shulman RG

更新日期：1985-04-01 00:00:00

abstract：:Biogenic amine receptors are involved in the regulation and modulation of various physiological and behavioral processes in both vertebrates and invertebrates. We have cloned a member of this gene family from the CNS of the honeybee, Apis mellifera. The deduced amino acid sequence is homologous to tyramine receptors c...

journal_title：Journal of neurochemistry

authors： Blenau W,Balfanz S,Baumann A

更新日期：2000-03-01 00:00:00

abstract：:Spinal cord injury (SCI) elicits a neuroinflammatory reaction dominated by microglia and monocyte-derived macrophages (MDM). Because MDM do not infiltrate the spinal cord until days after injury, it may be possible to control whether they differentiate into neuroprotective or neurotoxic effector cells. However, doing ...

journal_title：Journal of neurochemistry

authors： Longbrake EE,Lai W,Ankeny DP,Popovich PG

更新日期：2007-08-01 00:00:00

abstract：:Over 25 years ago it was first reported that intracellular chloride levels (Cl-in ) were higher in developing neurons than in maturity. This finding has had significant implications for understanding the excitability of developing networks and recognizing the underlying causes of hyperexcitability associated with dise...

journal_title：Journal of neurochemistry

authors： Lindsly C,Gonzalez-Islas C,Wenner P

更新日期：2017-03-01 00:00:00

abstract：:Incubation of [2-3H]glycerol-labeled phosphatidylinositol with a crude cytosol fraction of rat brain in the presence of EDTA yielded [3H]lysophosphatidylinositol predominantly without accumulation of labeled monoacylglycerol and diacylglycerol. The pH optimum of this phospholipase A activity was 8.0. The activity for ...

journal_title：Journal of neurochemistry

authors： Ueda H,Kobayashi T,Kishimoto M,Tsutsumi T,Okuyama H

更新日期：1993-11-01 00:00:00

abstract：:The transcription factor Nurr1 is essential for the generation of midbrain dopaminergic neurons (mDA). Only a few Nurr1-regulated genes have so far been identified and it remains unclear how Nurr1 influences the development and function of dopaminergic neurons. To identify novel Nurr1 target genes we have used genome-...

journal_title：Journal of neurochemistry

authors： Volpicelli F,Caiazzo M,Greco D,Consales C,Leone L,Perrone-Capano C,Colucci D'Amato L,di Porzio U

更新日期：2007-07-01 00:00:00

abstract：:The role of asparagine as precursor for the neurotransmitter aspartate was investigated in rat striatum in vitro. 14C-asparagine incubated with striatal slices is converted to a great extent to 14C-aspartate which is released in a calcium-dependent manner by high KCl. Furthermore, a frontoparietal cortex ablation of t...

journal_title：Journal of neurochemistry

authors： Reubi JC,Toggenburger G,Cuénod M

更新日期：1980-10-01 00:00:00

abstract：:We investigated the effects of 17beta-estradiol, an estrogen, on [(3)H]norepinephrine ([(3)H]NE) secretion in PC12 cells. Pretreatment with 17beta-estradiol reduced 70 mM K(+)-induced [(3)H]NE secretion in a concentration-dependent manner with a half-maximal inhibitory concentration (IC(50)) of 2 +/- 1 microM. The 70 ...

journal_title：Journal of neurochemistry

authors： Kim YJ,Hur EM,Park TJ,Kim KT

更新日期：2000-06-01 00:00:00

abstract：:A mass fragmentographic method for the determination of trace amounts of amino acid neurotransmitter candidates from brain perfusates is described. The analytical procedure includes the measurements of glycine, beta-alanine, gamma-aminobutyric acid, proline, aspartic acid, and glutamic acid; alpha-alanine, leucine, an...

journal_title：Journal of neurochemistry

authors： Wolfensberger M,Amsler U

更新日期：1982-02-01 00:00:00

abstract：:Alzheimer's disease (AD) is marked by the presence of neurofibrillary tangles and amyloid plaques in the brain of patients. To study plaque formation, we report on further quantitative and qualitative analysis of human and mouse amyloid beta peptides (Abeta) from brain extracts of transgenic mice overexpressing the Lo...

journal_title：Journal of neurochemistry

authors： Pype S,Moechars D,Dillen L,Mercken M

更新日期：2003-02-01 00:00:00

abstract：:The specific binding of [N-methyl-3H]flunitrazepam ([3H]FNZP) to a membrane fraction from the supraoesophageal ganglion of the locust (Schistocerca gregaria) has been measured. The ligand binds reversibly with a KD of 47 nM. The binding is Ca2+-dependent, a property not found for the equivalent binding site in vertebr...

journal_title：Journal of neurochemistry

authors： Robinson T,MacAllan D,Lunt G,Battersby M

更新日期：1986-12-01 00:00:00

abstract：:Preincubation of D384 cells, derived from the human astrocytoma cell line G-CCM, with dopamine resulted in a time-dependent attenuation of cyclic AMP responsiveness to subsequent dopamine stimulation. This effect was agonist specific because the prostaglandin E1 (PGE1) stimulation of cyclic AMP of similarly treated ce...

journal_title：Journal of neurochemistry

authors： Balmforth AJ,Warburton P,Ball SG

更新日期：1990-12-01 00:00:00

abstract：:Extralysosomal proteolysis by multicatalytic complexes such as the 26S proteasome produces large amounts of peptides in the cytosol, mitochondria and nuclei of eukaryotic cells, and there is increasing evidence that the resulting free intracellular peptides can modulate specific protein interactions. The demonstration...

journal_title：Journal of neurochemistry

authors： Ferro ES,Hyslop S,Camargo AC

更新日期：2004-11-01 00:00:00

abstract：:2,4,5-Trihydroxyphenylalanine (TOPA) oxidizes in solution to form a quinone derivative that is a non-N-methyl-D-aspartate agonist and neurotoxin. Although pathways have been postulated for the formation of both TOPA and TOPA quinone from closely related catecholamines, the generation of these compounds has not been co...

journal_title：Journal of neurochemistry

authors： Newcomer TA,Palmer AM,Rosenberg PA,Aizenman E

更新日期：1993-09-01 00:00:00

abstract：:Aggregation of conformation-abnormal peptides probably plays a key role in the pathogenesis of many neurodegenerative diseases. DSCR1 Down syndrome (DS) critical region 1, was identified from a chromosomal region (21q22.1-q22.2) for the clinical manifestations of DS when an extra-copy is present. We report that expres...

journal_title：Journal of neurochemistry

authors： Ma H,Xiong H,Liu T,Zhang L,Godzik A,Zhang Z

更新日期：2004-03-01 00:00:00

abstract：:A diphtheria toxin-neurotrophin-4/5 (NT-4/5) chimera (DAB389-NT4), in which the native receptor binding domain of diphtheria toxin was replaced with a synthetic gene encoding rat NT-4/5, was expressed, refolded, and purified. This fusion toxin has a deduced molecular mass of 60,163 and is formed by joining the first 3...

journal_title：Journal of neurochemistry

authors： Negro A,Skaper SD

更新日期：1997-02-01 00:00:00

abstract：:Vesicular glutamate transporter (VGLUT) is responsible for the vesicular storage of l-glutamate, and plays an essential role in glutamate-mediated intercellular signal transmission in the CNS and in some neuroendocrine cells. Intestinal L cells are the glucose-responsive neuroendocrine cells responsible for the secret...

journal_title：Journal of neurochemistry

authors： Uehara S,Jung SK,Morimoto R,Arioka S,Miyaji T,Juge N,Hiasa M,Shimizu K,Ishimura A,Otsuka M,Yamamoto A,Maechler P,Moriyama Y

更新日期：2006-01-01 00:00:00

abstract：:Post-ischemic inflammation is an essential step in the progression of ischemic stroke. This review focuses on the function of infiltrating immune cells, macrophages, and T cells, in ischemic brain injury. The brain is a sterile organ; however, the activation of Toll-like receptor (TLR) 2 and TLR4 is pivotal in the beg...

journal_title：Journal of neurochemistry

authors： Shichita T,Ago T,Kamouchi M,Kitazono T,Yoshimura A,Ooboshi H

更新日期：2012-11-01 00:00:00

abstract：:Several members of the tetrahydroisoquinoline (TIQ) family of monoamine alkaloids can be formed from dopamine or its oxidized metabolites and may be involved in the pathogenesis of monoaminergic cell death in Parkinson's disease (PD). Using enantiomeric-selective high-performance liquid chromatography with electrochem...

journal_title：Journal of neurochemistry

authors： DeCuypere M,Lu Y,Miller DD,LeDoux MS

更新日期：2008-12-01 00:00:00

abstract：:5-[76Br]Bromo-3-[[2(S)-azetidinyl]methoxy]pyridine ([76Br]BAP), a novel nicotinic acetylcholine receptor ligand, was synthesized using [76Br]bromide in an oxidative bromodestannylation of the corresponding trimethylstannyl compound. The radiochemical yield was 25%, and the specific radioactivity was on the order of 1 ...

journal_title：Journal of neurochemistry

authors： Sihver W,Fasth KJ,Horti AG,Koren AO,Bergström M,Lu L,Hagberg G,Lundqvist H,Dannals RF,London ED,Nordberg A,Långström B

更新日期：1999-09-01 00:00:00