Role of external and internal calcium on heterocarrier-mediated transmitter release.

abstract：:The signal transduction pathways involved in NMDA receptor modulation by other receptors remain unclear. cAMP could be involved in this modulation. The aim of this work was to analyse the contribution of cAMP to NMDA receptor modulation in cerebellar neurones in culture. Forskolin increases cAMP and results in increas...

journal_title：Journal of neurochemistry

authors： Llansola M,Sánchez-Pérez AM,Montoliu C,Felipo V

更新日期：2004-11-01 00:00:00

abstract：:Quinolinic acid is an excitatory, neurotoxic tryptophan metabolite proposed to play a role in the pathogenesis of hepatic encephalopathy. This involvement was investigated in rat and rabbit models of fulminant hepatic failure at different stages of hepatic encephalopathy. Although plasma and brain tryptophan levels we...

journal_title：Journal of neurochemistry

authors： Basile AS,Saito K,Li Y,Heyes MP

更新日期：1995-06-01 00:00:00

abstract：:alpha-Synuclein has been identified as a component of Lewy bodies in Parkinson's disease and diffuse Lewy body disease, and glial cytoplasmic inclusions (GCIs) in multiple system atrophy (MSA). To explore the role of alpha-synuclein in the pathogenesis, we searched for molecules interacting with alpha-synuclein and di...

journal_title：Journal of neurochemistry

authors： Iwata A,Miura S,Kanazawa I,Sawada M,Nukina N

更新日期：2001-04-01 00:00:00

abstract：:The neurotoxin 1-methyl-4-phenylpyridinium ion (MPP+) in the brain striatum has recently been shown to bind at a putatively vesicular site labeled by [3H]tyramine ([3H]TY). Whereas in the rat and mouse striatum MPP+ antagonized TY binding competitively, in the cerebellum there was a mixed-type antagonism, which sugges...

journal_title：Journal of neurochemistry

authors： Vaccari A,Saba PL,Gessa GL,Del Zompo M

更新日期：1993-02-01 00:00:00

abstract：:The possibility that the mechanism of lead neurotoxicity may be at the level of transcription was investigated in PC12 cells. In electrophoretic mobility gel shift assays Pb2+ was found to increase activator protein-1 complex (AP-1) DNA binding activity in PC12 cells; the increase was time- and concentration-dependent...

journal_title：Journal of neurochemistry

authors： Chakraborti T,Kim KA,Goldstein GG,Bressler JP

更新日期：1999-07-01 00:00:00

abstract：:Although 3,4-dihydroxyphenylethylamine (dopamine, DA) and vasoactive intestinal peptide (VIP) have been reported to stimulate adenylate cyclase activity in the rabbit retina, possible interactions between VIP-sensitive and DA-sensitive adenylate cyclase systems have not been previously investigated. To elucidate the i...

journal_title：Journal of neurochemistry

authors： Pachter JA,Lam DM

更新日期：1986-01-01 00:00:00

abstract：:In multiple sclerosis (MS), oligodendrocytes in lesions are lost, leaving damaged tissue virtually devoid of these myelin-producing cells. Our group has recently demonstrated enhanced expression of insulin-like growth factor (IGF) binding protein-1 (IGFBP-1) in oligodendrocytes (CNPase(+)) localized adjacent to MS les...

journal_title：Journal of neurochemistry

authors： Chesik D,De Keyser J,Bron R,Fuhler GM

更新日期：2010-06-01 00:00:00

abstract：:The mechanism of attachment of acetylcholinesterase (AChE) to neuronal membranes in interneuronal synapses is poorly understood. We have isolated, sequenced, and cloned a hydrophobic protein that copurifies with AChE from human caudate nucleus and that we propose forms a part of a complex of membrane proteins attached...

journal_title：Journal of neurochemistry

authors： Navaratnam DS,Fernando FS,Priddle JD,Giles K,Clegg SM,Pappin DJ,Craig I,Smith AD

更新日期：2000-05-01 00:00:00

abstract：:GM1 ganglioside binding to the crude mitochondrial fraction of rat brain and its effect on (Na+, K+)-ATPase were studied, the following results being obtained: (a) the binding process followed a biphasic kinetics with a break at 50 nM-GM1; GM1 at concentrations below the break was stably associated, while over the bre...

journal_title：Journal of neurochemistry

authors： Leon A,Facci L,Toffano G,Sonnino S,Tettamanti G

更新日期：1981-08-01 00:00:00

abstract：:Neurofilament proteins (Nf) are a biomarker of disease progression in amyotrophic lateral sclerosis (ALS). This study investigated whether there are major differences in expression from in vivo measurements of neurofilament isoforms, from the light chain, NfL (68 kDa), compared with larger proteins, the medium chain (...

journal_title：Journal of neurochemistry

authors： Zucchi E,Lu CH,Cho Y,Chang R,Adiutori R,Zubiri I,Ceroni M,Cereda C,Pansarasa O,Greensmith L,Malaspina A,Petzold A

更新日期：2018-09-01 00:00:00

abstract：:Dopaminergic neurons in cultures of dissociated cells from fetal rat mesencephalon were exposed to the principal metabolite of the neurotoxin 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP), 1-methyl-4-phenyl-pyridinium ion (MPP+), and several of its structural analogues. At concentrations between 0.01 and 0.1 mic...

journal_title：Journal of neurochemistry

authors： Sanchez-Ramos JR,Michel P,Weiner WJ,Hefti F

更新日期：1988-06-01 00:00:00

abstract：:Ketimine reductase (E.C. 1.5.1.25) was purified to apparent homogeneity from lamb forebrain by means of a rapid multi-step chromatography protocol. The purified enzyme was identified by MS/MS (mass spectrometry) as μ-crystallin. The identity was confirmed by heterologously expressing human μ-crystallin in Escherichia ...

journal_title：Journal of neurochemistry

authors： Hallen A,Cooper AJ,Jamie JF,Haynes PA,Willows RD

更新日期：2011-08-01 00:00:00

abstract：:Brain edema in hepatic encephalopathy has been associated with circulating ammonia that is metabolized to glutamine. We measured alterations in blood chemistry and brain regional specific gravity and ion and amino acid contents in models of simple hyperammonemia and liver failure induced by daily administrations of am...

journal_title：Journal of neurochemistry

authors： Hilgier W,Olson JE

更新日期：1994-01-01 00:00:00

abstract：:Recent studies have shown that mast cells (MCs) are present in rat brain, that they have a predominantly thalamic localization, and that they contain histamine (HA). However, the degree to which these cells contribute to brain HA levels has remained unclear. Our recent studies of the precise distribution of rat brain ...

journal_title：Journal of neurochemistry

authors： Goldschmidt RC,Hough LB,Glick SD

更新日期：1985-06-01 00:00:00

abstract：:Mechanical strain in neural tissues can lead to the up-regulation and release of multiple cytokines including interleukin 6 (IL-6). In the retina, the mechanosensitive release of ATP can autostimulate P2X7 receptors on both retinal ganglion cell neurons and optic nerve head astrocytes. Here, we asked whether the purin...

journal_title：Journal of neurochemistry

authors： Lu W,Albalawi F,Beckel JM,Lim JC,Laties AM,Mitchell CH

更新日期：2017-05-01 00:00:00

abstract：:We have previously shown that Regulator of Calcineurin 1 (RCAN1) regulates multiple stages of vesicle exocytosis. However, the mechanisms by which RCAN1 affects secretory vesicle exocytosis and quantal release kinetics remain unknown. Here, we use carbon fibre amperometry to detect exocytosis from chromaffin cells and...

journal_title：Journal of neurochemistry

authors： Zanin MP,Mackenzie KD,Peiris H,Pritchard MA,Keating DJ

更新日期：2013-02-01 00:00:00

abstract：:Melatonin and 5-methoxytryptamine inhibited forskolin-stimulated cyclic AMP formation in cultured neural cells prepared from embryonic chick retina. Both methoxyindoles exhibited similar potency and efficacy, with EC50 values of 0.8 nM for melatonin and 7.2 nM for 5-methoxytryptamine. Inhibition of cyclic AMP formatio...

journal_title：Journal of neurochemistry

authors： Iuvone PM,Gan J,Alonso-Gómez AL

更新日期：1995-04-01 00:00:00

abstract：:G-protein coupled receptors may mediate their effects on neuronal growth and differentiation through activation of extracellular signal-regulated kinases 1/2 (ERK1/2), often elicited by transactivation of growth factor receptor tyrosine kinases. This elaborate signaling process includes inducible formation and traffic...

journal_title：Journal of neurochemistry

authors： Asimaki O,Leondaritis G,Lois G,Sakellaridis N,Mangoura D

更新日期：2011-03-01 00:00:00

abstract：:The specific binding of L-[3H]glutamate was investigated in the presence and the absence of sodium ions in freshly prepared membranes from rat hippocampus. Sodium ions were found to have a biphasic effect; low concentrations induced a marked inhibition of the binding (in the range 0.5-5.0 mM), whereas higher concentra...

journal_title：Journal of neurochemistry

authors： Baudry M,Lynch G

更新日期：1981-03-01 00:00:00

abstract：:Networks of neurons express persistent spontaneous network activity when maintained in dissociated cultures. Prolonged blockade of the spontaneous activity with tetrodotoxin (TTX) causes the eventual death of the neurons. In this study, we investigated some molecular mechanisms that may underlie the activity-suppresse...

journal_title：Journal of neurochemistry

authors： Schonfeld-Dado E,Fishbein I,Segal M

更新日期：2009-08-01 00:00:00

abstract：:The proportion of major depressive disorder (MDD) patients around the world has increased remarkably. Although many studies of MDD have been conducted based on classic hypotheses, like alteration of the hypothalamic-pituitary-adrenal axis or monoamine neurotransmitters, the mechanisms underlying MDD remain unclear. Ai...

journal_title：Journal of neurochemistry

authors： Xu K,He Y,Chen X,Tian Y,Cheng K,Zhang L,Wang Y,Yang D,Wang H,Wu Z,Li Y,Lan T,Dong Z,Xie P

更新日期：2019-06-01 00:00:00

abstract：:In this work, we have studied (a) the contents of gangliosides, glycoproteins, and phospholipids of the vesicle and plasma membrane fractions from brains of anesthetized and control rats and chickens and (b) the labeling of gangliosides and glycoproteins in the retina ganglion cell layer and optic tectum of urethane-a...

journal_title：Journal of neurochemistry

authors： Domowicz MS,Kivatinitz SC,Caputto BL,Caputto R

更新日期：1988-05-01 00:00:00

abstract：:Fragile X syndrome (FXS) is a developmental disorder caused by the loss of Fragile X Mental Retardation 1 (FMR1) gene function because of a CGG repeat expansion (> 200 repeats) in the gene. The molecular mechanism(s) linking loss of FMR1 function to the molecular pathology and cognitive/behavioral disability remain un...

journal_title：Journal of neurochemistry

authors： Wang X,Snape M,Klann E,Stone JG,Singh A,Petersen RB,Castellani RJ,Casadesus G,Smith MA,Zhu X

更新日期：2012-05-01 00:00:00

abstract：:Choline acetyltransferase (acetyl-CoA: choline O-acetyltransferase, I.U.B. 2.3.1.6) activity and total protein content in visual and extra-visual areas were compared in normal Long-Evans rats and in rats subjected to complete light-deprivation for 21 days from birth. The enzyme activity and the protein content in the ...

journal_title：Journal of neurochemistry

authors： Maletta GJ,Timiras PS

更新日期：1968-08-01 00:00:00

abstract：:The release of gamma-aminobutyric acid (GABA) was studied in slices of the head of the rabbit caudate nucleus. The slices were preincubated with [3H]GABA and then superfused. Aminooxyacetic acid was present throughout. Both the tritium in the slices and that in the superfusate consisted practically entirely of [3H]GAB...

journal_title：Journal of neurochemistry

authors： Limberger N,Späth L,Starke K

更新日期：1986-04-01 00:00:00

abstract：:Microdialysis in the awake, freely moving rat was used to determine the effect of pyrithiamine-induced thiamine deficiency on the levels of amino acids in the brain. Studies were carried out on (a) presymptomatic animals immediately before the development of behavioral changes and (b) acute symptomatic animals within ...

journal_title：Journal of neurochemistry

authors： Hazell AS,Butterworth RF,Hakim AM

更新日期：1993-09-01 00:00:00

abstract：:Exogenously added sialyl cholesterol (SC) induced neuritogenesis and accumulated in the nuclear fraction of a mouse neuroblastoma cell line, Neuro2a, as reported elsewhere. To clarify the significance of nuclear SC, we examined the structure of chromatin and its transcriptional level. The chromatin of SC-treated cells...

journal_title：Journal of neurochemistry

authors： Yamashita T,Tsuji S

更新日期：1992-04-01 00:00:00

abstract：:Using antiphosphotyrosine antibodies, we have investigated protein phosphorylation in mouse brain during development in intact animals and in reaggregated cerebral cultures. Under basal conditions, in vivo and in vitro, the levels of two main phosphoproteins, of Mr 120,000 and 180,000 (pp180), increased with developme...

journal_title：Journal of neurochemistry

authors： Girault JA,Chamak B,Bertuzzi G,Tixier H,Wang JK,Pang DT,Greengard P

更新日期：1992-02-01 00:00:00

abstract：:beta-Amyloid peptides (Abeta40 and Abeta42) are the major constituents of amyloid plaques, which are one of the hallmarks of Alzheimer's disease (AD). The Abeta is derived from sequential cleavages of amyloid precursor protein (APP) by beta- and gamma-secretases. gamma-Secretase consists of at least four proteins wher...

journal_title：Journal of neurochemistry

authors： Lai MT,Crouthamel MC,DiMuzio J,Pietrak BL,Donoviel DB,Bernstein A,Gardell SJ,Li YM,Hazuda D

更新日期：2006-01-01 00:00:00

abstract：:The expression of facilitative glucose transporter (GLUT) isoforms in human astrocytic tumors was examined. Reverse transcriptase-polymerase chain reaction of a surgically biopsied glioblastoma was carried out using the degenerative oligonucleotide primers corresponding to the sequences of the human facilitative gluco...

journal_title：Journal of neurochemistry

authors： Nagamatsu S,Sawa H,Wakizaka A,Hoshino T

更新日期：1993-12-01 00:00:00