abstract：:We studied the dose-response characteristics and the temporal profile of inhibition of brain nitric oxide (NO) synthase (NOS) elicited by i.v. administration of the NOS inhibitor nitro-L-arginine methyl ester (L-NAME). L-NAME was administered i.v. in awake rats equipped with a venous cannula. L-NAME was injected in cu...

journal_title：Neurochemical research

authors： Iadecola C,Xu X,Zhang F,Hu J,el-Fakahany EE

更新日期：1994-04-01 00:00:00

abstract：:We have shown that acute ammonia toxicity is mediated by activation of the NMDA type of glutamate receptors. Although it is well known that L-carnitine prevents acute ammonia toxicity, the underlying molecular mechanism is not clear. We suspected that L-carnitine would prevent ammonia toxicity by preventing the toxic ...

journal_title：Neurochemical research

authors： Felipo V,Miñana MD,Cabedo H,Grisolía S

更新日期：1994-03-01 00:00:00

abstract：:To study the early effects of neonatal 5,7-dihydroxytryptamine lesions on 5-hydroxytryptamine1A (5-HT1A) receptors, we measured regional [3H]8-OH-DPAT-labeled 5-HT1A sites in binding assays and compared them to our previous studies of [3H]paroxetine-labeled 5-HT transporter sites during the first month in the same rat...

journal_title：Neurochemical research

authors： Pranzatelli MR

更新日期：1994-03-01 00:00:00

abstract：:The effects of the following drugs: nimodipine (1 mg/kg b.w., i.p.), 2-amino-5-phosphonovaleric acid (4 mg/kg b.w., i.p.) and propentofylline (25 mg/kg b.w., i.p.), administered (alone or in combination) at the end of 15 min bilateral ischemia in gerbils were evaluated on mitochondrial superoxide dismutase (SOD), glut...

journal_title：Neurochemical research

authors： Stanimirovic DB,Micic DV,Markovic M,Spatz M,Mrsulja BB

更新日期：1994-02-01 00:00:00

abstract：:The effects of pre-treatment with ENA-713, an acetylcholinesterase (AChE) inhibitor, on changes in pre- and postsynaptic cholinergic indices in gerbil brain following transient ischemia were studied at 4 and 14 days after recirculation. In the ischemic group, hippocampal acetylcholine (ACh) level was significantly red...

journal_title：Neurochemical research

authors： Tanaka K,Ogawa N,Mizukawa K,Asanuma M,Kondo Y,Nishibayashi S,Mori A

更新日期：1994-02-01 00:00:00

abstract：:The present study addressed the hypothesis that the DA transporter ligand, [3H]mazindol, labels multiple sites/states associated with the dopamine (DA) transporter in striatal membranes. Incubations with [3H]mazindol proceeded for 18-24 hr at 4 degrees C in 55.2 mM sodium phosphate buffer, pH 7.4, with a protease inhi...

journal_title：Neurochemical research

authors： Dersch CM,Akunne HC,Partilla JS,Char GU,de Costa BR,Rice KC,Carroll FI,Rothman RB

更新日期：1994-02-01 00:00:00

abstract：:The effects of chronic pentobarbital (PB) treatment on the binding characteristics of [3H]flunitrazepam (FLU) in rat brain were examined. Saline or sodium PB (500 micrograms/10 microliters/hr) was infused into the lateral cerebral ventricles of rats for 6 days using osmotic pumps. Immediately before withdrawal, there ...

journal_title：Neurochemical research

authors： Miyaoka T,Kimura T,Saunders PA,Tseng YT,Ho IK

更新日期：1994-01-01 00:00:00

abstract：:Human neuroblastoma cholinergic LA-N-2 cells were used as an experimental model to test the possibility that the methylation of phosphoethanolamine (PEtn) to phosphocholine (PCho) and free choline (Cho) (Andriamampandry et al. 1989) could contribute to acetylcholine (AcCho) synthesis. LA-N-2 cells were incubated with ...

journal_title：Neurochemical research

authors： Haidar NE,Carrara M,Andriamampandry C,Kanfer JN,Freysz L,Dreyfus H,Massarelli R

更新日期：1994-01-01 00:00:00

abstract：:Brofaromine, a selective and reversible inhibitor of monoamine oxidase-A (MAO-A) was given to 19 women while 17 received placebo for 8 weeks. All met DSM III-R criteria for bulimia nervosa, a psychiatric disorder in which uncontrolled overeating episodes are accompanied by purging activities and extreme concerns about...

journal_title：Neurochemical research

authors： Kennedy SH,Davis BA,Brown GM,Ford CG,d'Souza J

更新日期：1993-12-01 00:00:00

abstract：:We have measured the postnatal development and GABA modulation of benzodiazepine receptors in neuronal membranes from vitamin B-6 deficient and normal rats. In rats fed vitamin B-6 adequate and deficient diets there were age-dependent changes in [3H]flunitrazepam binding site affinity and in the number of binding site...

journal_title：Neurochemical research

authors： Pilachowski J,Guilarte TR

更新日期：1993-12-01 00:00:00

abstract：:5- and 6-Hydroxydopamine, which we had earlier identified as naturally occurring amines in human urine, were quantified in Parkinson's patients treated with L-DOPA, Parkinson's patients whose treatment did not include L-DOPA and in age matched controls. Analysis was carried out by GC-MS of the ditrifluoromethylbenzoyl...

journal_title：Neurochemical research

authors： Andrew R,Watson DG,Best SA,Midgley JM,Wenlong H,Petty RK

更新日期：1993-11-01 00:00:00

abstract：:The effects of delta 9-tetrahydrocannabinol (delta 9-THC) administration on the central serotoninergic system were evaluated by biochemical assays of tissue levels of indoleamines; a measure of the serotonin (5-HT) innervation was obtained by using [3H]paroxetine as a marker of 5-HT uptake sites. Two different delta 9...

journal_title：Neurochemical research

authors： Molina-Holgado F,Molina-Holgado E,Leret ML,González MI,Reader TA

更新日期：1993-11-01 00:00:00

abstract：:Lipid synthesis from acetoacetate and 3-hydroxybutyrate was studied in chick embryo from 15 to 21 days and in chick neonate from 1 to 21 days. Embryonic spinal cord showed higher ability than brain to incorporate acetoacetate into total lipids, although a sharp decrease was found at hatching. 3-Hydroxybutyrate incorpo...

journal_title：Neurochemical research

authors： Linares A,Caamaño GJ,Diaz R,Gonzalez FJ,Garcia-Peregrin E

更新日期：1993-10-01 00:00:00

abstract：:It is now established that (1) concentrations of 2-phenylethylamine (PEA) are greatly increased in brain following administration of monoamine oxidase inhibitor (MAOI) antidepressants; (2) PEA is a metabolite of the MAOI antidepressant phenelzine; and (3) PEA may be a neuromodulator of catecholamine activity. On the b...

journal_title：Neurochemical research

authors： Paetsch PR,Greenshaw AJ

更新日期：1993-09-01 00:00:00

abstract：:It is reported that CNS hemorrhage causes membrane dysfunction and may exacerbate this damage as a result of secondary ischemia or hypoxia. Since hyperbaric oxygenation improves oxygen metabolism, it may reduce this membrane damage. The present study was conducted to reveal whether hyperbaric oxygenation influences me...

journal_title：Neurochemical research

authors： Yufu K,Itoh T,Edamatsu R,Mori A,Hirakawa M

更新日期：1993-09-01 00:00:00

abstract：:Several methods have been described previously for the purification of the nervous-tissue specific protein kinase C substrate B-50 (GAP-43). In this paper we present a new purification method for B-50 from rat brain which employs 2-mercaptoethanol to release the protein from isolated synaptosomal plasma membranes. Mos...

journal_title：Neurochemical research

authors： De Graan PN,Moritz A,de Wit M,Gispen WH

更新日期：1993-08-01 00:00:00

abstract：:The composition of retrogradely transported axonal proteins was examined by acrylamide gel electrophoresis and gel autoradiography in the experimental neuropathy induced in rats by p-bromophenylacetylurea (BPAU). Protein composition was normal during the early phase of retrograde transport but showed significant abnor...

journal_title：Neurochemical research

authors： Oka N,Brimijoin S

更新日期：1993-06-01 00:00:00

abstract：:The real time dynamics of K+ evoked neurosecretion in cerebellar slices has been monitored electrochemically. In the presence of 5-methyltetrahydrofolate a statistically significant diminution in secretory response occurs. Agonists to probe the pharmacological basis for this indicate it is not due to voltage sensitive...

journal_title：Neurochemical research

authors： Lucock MD,Levene MI,Hartley R

更新日期：1993-05-01 00:00:00

abstract：:The study provides detailed biochemical correlates to the common histopathological diagnoses in epilepsy. A dot immunobinding procedure was used for quantification of NSE, GFA, S-100, NCAM, NF 68 and NF 200. The material consisted of samples from 48 patients either selected for surgical treatment of partial epilepsy o...

journal_title：Neurochemical research

authors： Hamberger A,Bock E,Nordborg C,Nyström B,Silfvenius H,Wang S,Haglid KG

更新日期：1993-04-01 00:00:00

abstract：:GABAergic and cholinergic synaptosome populations were isolated by immunomagnetophoresis. Analysis of 8 amino acids showed that the GABAergic population was enriched in GABA (3 fold). The cholinergic population was enriched in citrulline (5 fold). CCK was found in both populations, but was enriched in the GABAergic. N...

journal_title：Neurochemical research

authors： Hughes PD,Foley P,Bradford HF,Ghatei M,Khandanian N,Bloom SR,Wu JY

更新日期：1993-04-01 00:00:00

abstract：:The effect of castration on the levels of brain monoamines and their metabolites has been investigated in rats which became or did not become muricidal following long-term isolation. Fourteen brain areas were explored: olfactory bulbs (OB), olfactory tubercles (OT), septum (Se), striatum (Sr), amygdala (A), thalamus (...

journal_title：Neurochemical research

authors： Rastegar A,Ciesielski L,Simler S,Messripour M,Mandel P

更新日期：1993-04-01 00:00:00

abstract：:Diisopropyl phosphorofluoridate (DFP) produces type I organophosphorus ester-induced delayed neurotoxicity in humans and sensitive animal species. This is accompanied by enhanced Ca2+/CaM-dependent protein kinase II (CaM-kinase II) activity, and [125I]calmodulin binding to CaM-kinase II in DFP-treated hen brain supern...

journal_title：Neurochemical research

authors： Gupta RP,Abou-Donia MB

更新日期：1993-03-01 00:00:00

abstract：:The role of protein phosphorylation in catecholamine secretion from bovine adrenomedullary chromaffin cells was studied using different protein kinase inhibitors. Naphthalenesulfonamide derivatives as ML9 and ML7, more specific for the myosin light chain kinase, and the calmodulin antagonist W7 inhibited catecholamine...

journal_title：Neurochemical research

authors： Reig JA,Viniegra S,Ballesta JJ,Palmero M,Guitierrez LM

更新日期：1993-03-01 00:00:00

abstract：:Reserpine evokes transsynaptic impulse activity by depleting catecholaminergic neurotransmitters in the rat brain. Previous studies suggest a relationship between catecholaminergic activity and calmodulin concentration. In this report we employ Northern blot analysis to examine the effect of a single subcutaneous inje...

journal_title：Neurochemical research

authors： Ni B,Brown IR

更新日期：1993-02-01 00:00:00

abstract：:Bilateral injection of 6-hydroxydopamine into the medial forebrain bundle (MFB) significantly decreased monoamine concentrations in the hypothalamus. The noradrenaline and serotonin content of the paraventricular nucleus (PVN) was also significantly reduced. These drastic decreases in neurotransmitter concentration di...

journal_title：Neurochemical research

authors： Daniels WM,Jaffer A,Russell VA,Taljaard JJ

更新日期：1993-02-01 00:00:00

abstract：:A variety of naturally occurring amino acids, their isomers, and synthetic analogs were tested for their ability to inhibit uptake of [3H]glutamate into presynaptic vesicles from bovine cerebral cortex. Strongest inhibition (Ki < 1mM) was observed for trans-1-aminocyclopentane-1,3-dicarboxylic acid (t-ACPD) and erythr...

journal_title：Neurochemical research

authors： Winter HC,Ueda T

更新日期：1993-01-01 00:00:00

abstract：:Catecholamine secretion in the bovine adrenal medulla is evoked largely by nicotinic receptor activation. However, bovine adrenal medulla also contain muscarinic receptors that mediate several cell responses. To understand the physiological role of muscarinic receptors in the bovine adrenal medulla it is important to ...

journal_title：Neurochemical research

authors： Aguilar JS,Ballesta JJ,Reig JA,Palmero M,Viniegra S,Criado M

更新日期：1992-12-01 00:00:00

abstract：:The effect of maternal hypoxia on the modification of the fetal brain cell membrane N-methyl-D-aspartate (NMDA) receptor and its modulatory sites was investigated. Experiments were conducted in pregnant guinea pigs of 60 days of gestation. Guinea pig fetuses were exposed to maternal hypoxia (FiO2 = 7%) for 60 minutes....

journal_title：Neurochemical research

authors： Mishra OP,Delivoria-Papadopoulos M

更新日期：1992-12-01 00:00:00

abstract：:In the unrestrained rat, the hyperphagic-like ingestion of food evoked by the sustained elevation of neuropeptide-Y (NPY) in the hypothalamus was correlated with the release and turnover of monoaminergic transmitters in this structure. A single guide tube was implanted stereotaxically in the perifornical region of the...

journal_title：Neurochemical research

authors： Myers RD,Lankford MF,Paez X

更新日期：1992-11-01 00:00:00

abstract：:Antipsychotics represent high affinity for sigma receptors and sigma-like drugs often have the psychotomimetic properties. Besides, the receptors are unevenly distributed in human brain. These findings suggest that sigma receptors might be involved in the pathophysiology of schizophrenia. Sigma receptors in rat and hu...

journal_title：Neurochemical research

authors： Shibuya H,Mori H,Toru M

更新日期：1992-10-01 00:00:00

abstract：:The monoclonal antibody 14E immunocytochemically stains the nuclear membrane of oligodendrocytes but not myelin in tissue sections of adult normal human white matter. The nuclear membranes of Schwann cells in human peripheral nerve and cerebellar Bergmann glia were also visualized with this antibody. In actively demye...

journal_title：Neurochemical research

authors： Newcombe J,Naik N,Cuzner ML

更新日期：1992-09-01 00:00:00

abstract：:A previous study conducted in this laboratory revealed a decrease in total cholinesterase (total ChE) in the cerebral cortex, hippocampus and striatum in aged rats (24 months) of various strains, as compared with young animals (3 months). The purpose of the present experiments was to extend the study to other brain ar...

journal_title：Neurochemical research

authors： Meneguz A,Bisso GM,Michalek H

更新日期：1992-08-01 00:00:00

abstract：:Two models of perturbed cerebellar ontogenesis were obtained by a single administration of methylazoxymethanol (MAM), a potent antimitotic agent, to mouse pups either on the day of birth (MAM0 mice) or at postnatal day 5 (MAM5 mice). The alterations of the cerebellar GABAergic system were studied by measuring glutamic...

journal_title：Neurochemical research

authors： Bacon E,Girard C,de Barry J,Gombos G

更新日期：1992-07-01 00:00:00

abstract：:In our previous study vesamicol, an inhibitor of the acetylcholine transporter of the cholinergic vesicles, inhibited veratridine-evoked external Ca(2+)-dependent acetylcholine release from striatal slices but did not influence acetylcholine release observed in Ca(2+)-free medium (4). Here we examined if the effect of...

journal_title：Neurochemical research

authors： Deri Z,Adam-Vizi V

更新日期：1992-06-01 00:00:00

abstract：:Bilateral lesion of the nucleus basalis with ibotenic acid infusions in young and aged rats results in the degeneration of cholinergic neurons which innervate the cortex. As expected, high-affinity uptake of choline was decreased in the frontal cortex subsequent to the lesion. Twenty one days after surgery there was a...

journal_title：Neurochemical research

authors： Gomeza J,Aragón C,Giménez C

更新日期：1992-04-01 00:00:00

abstract：:A synthetic peptide corresponding to the first 28 amino acids of the Alzheimer disease amyloid beta/A4 peptide (3.2 kDa) aggregated to a high molecular weight (15 kDa) on SDS/urea polyacrylamide gels. Proteinase K, V8 protease, trypsin, and endopeptidase Lys-C readily degraded the aggregate. By contrast, when digested...

journal_title：Neurochemical research

authors： Honda T,Marotta CA

更新日期：1992-04-01 00:00:00

abstract：:The aim of the present study was to investigate possible membrane and genomic effects of corticosterone on the noradrenergic system of the rat brain. Corticosterone effects were studied in vivo by treating rats s.c. with 10 mg/kg corticosterone for 7 or 14 days. In the first two experiments corticosterone significantl...

journal_title：Neurochemical research

authors： de Villiers AS,Russell VA,Taljaard JJ

更新日期：1992-03-01 00:00:00

abstract：:Pig brain cerebral cortex was subfractionated by isopycnic centrifugation in sucrose gradients. In each subfraction the content of the agonist [3H]R-PIA binding, the activity of adenosine metabolizing enzymes (5'-nucleotidase and adenosine deaminase) and the activity of membrane marker enzymes were determined. The fra...

journal_title：Neurochemical research

authors： Casadó V,Lluis C,Canela E,Franco R,Mallol J

更新日期：1992-02-01 00:00:00

abstract：:N-Methyl-D-aspartate (NMDA) and L-glutamate activate membrane receptors that produce substantial permeation of Na+, K+ and Ca2+ through the neuronal membrane. These ionic fluxes are intimately linked to processes that regulate neuronal survival, growth and differentiation. Intracellular free Ca2+ concentrations are th...

journal_title：Neurochemical research

authors： Michaelis EK,Michaelis ML

更新日期：1992-01-01 00:00:00

abstract：:Pig brain extracts from both soluble and membrane fractions were found to contain potent inhibitors for GABA synthesizing enzyme, GAD, referred to as endogenous GAD inhibitors (EGIs) and for the binding of GABA agonist, muscimol, referred to as muscimol binding inhibitors (MBIs). EGIs and MBIs were first purified thro...

journal_title：Neurochemical research

authors： Yarom M,Bao J,Tang XW,Wu E,Lee YH,Tsai WH,Wu JY

更新日期：1992-01-01 00:00:00