abstract：:In order to investigate the role of two free radical detoxificant enzymes in patients with aging brain disorders, superoxide dismutase (SOD) and catalase (CAT) activities have been measured in blood from male and female human patients of different ages with several types of aging brain disorders. When compared with ac...

journal_title：Neurochemical research

authors： de la Torre MR,Casado A,López-Fernández ME,Carrascosa D,Casado MC,Venarucci D,Venarucci V

更新日期：1996-08-01 00:00:00

abstract：:Zinc (Zn2+) was shown to invariably inhibit muscimol-stimulated 36Cl- uptake by synaptoneurosomes in the cerebral cortex, hippocampus and cerebellum. The Zn2+ sensitivity of the GABAA receptor-gated 36Cl- uptake in the cerebral cortex was comparable to that in the hippocampus, whereas the uptake in the cerebellum was ...

journal_title：Neurochemical research

authors： Ito Y,Segawa K,Kobayashi M,Fukuda H

更新日期：1996-08-01 00:00:00

abstract：:The aim of this study was to determine whether neurotrophin-4/5 (NT-4/5) treatment alters infarction volume following permanent focal cerebral ischemia in the rat. Permanent focal cerebral ischemia was produced in adult male rats by intraluminal occlusion of the right middle cerebral artery. NT-4/5 was administered in...

journal_title：Neurochemical research

authors： Chan KM,Lam DT,Pong K,Widmer HR,Hefti F

更新日期：1996-07-01 00:00:00

abstract：:The neurotrophins brain derived neurotrophic factor (BDNF) and neurotrophin-3 (NT-3) are both expressed in developing cerebellum in addition to their tyrosine kinase receptors. TrkB and TrkC. In contrast to BDNF.NT-3 has only a negligible or a transient survival activity on cultured cerebellar granule neurons. The gra...

journal_title：Neurochemical research

authors： Zirrgiebel U,Lindholm D

更新日期：1996-07-01 00:00:00

abstract：:This study evaluates whether physiological variables differentially affect the local synthesis of protein constituents of synapses in subcellular fractions containing pinched-off dendrites (synaptodendrosomes). Synaptodendrosomes were pulse-labeled in a medium containing 35S-methionine with 3 or 25 mM KCl and in the p...

journal_title：Neurochemical research

authors： Leski ML,Steward O

更新日期：1996-06-01 00:00:00

abstract：:The influence of hypothyroidism (HO) induced by treatment with propylthiouracil on lipid composition, receptor responsiveness of M1-muscarinic receptors (M1AChRs) and metabotropic glutamate receptors (mGluRs) as well as on protein kinase C (PKC) activity was investigated in the cerebral cortex of Lewis rats. HO did no...

journal_title：Neurochemical research

authors： Pintor A,Fortuna S,Lorenzini P,Pascale A,Battaini F,Avellino C,Malvezzi Campeggi L,Salvati S

更新日期：1996-05-01 00:00:00

abstract：:In this study, we were interested to compare the responsiveness to growth factors, NGF, b-FGF and EGF and cytokines, IL1 beta, and TNF-alpha, in late passages (74-79) C6 glial cells committed astrocytes and astrocytes of advanced passages (26-28) in cultures derived from aged mouse cerebral hemispheres (MACH). Culture...

journal_title：Neurochemical research

authors： Kazazoglou T,Fleischer-Lambropoulos E,Geladopoulos T,Kentroti S,Stefanis C,Vernadakis A

更新日期：1996-05-01 00:00:00

abstract：:We review some of the older literature concerning metabolic turnover of cholesterol in the nervous system. The overall picture is that incorporation of radioactive precursors into brain cholesterol is roughly proportional to the rate of myelination and that, once incorporated, radioactive cholesterol is relatively sta...

journal_title：Neurochemical research

authors： Morell P,Jurevics H

更新日期：1996-04-01 00:00:00

abstract：:Cholinesterase activities in rat forebrain, erythrocytes, and plasma were assessed after a single oral administration of metrifonate or dichlorvos. In 3-month-old rats, the dichlorvos (10 mg/kg p.o.)induced inhibition of cholinesterase reached its peak in brain after l5-45 min and after 10-30 min in erythrocytes and p...

journal_title：Neurochemical research

authors： Hinz V,Grewig S,Schmidt BH

更新日期：1996-03-01 00:00:00

abstract：:Subunit-specific antibodies to all the gamma subunit isoforms described in mammalian brain (gamma(1), gamma(2S), gamma(2L), and gamma(3) have been made. The proportion of GABA(A) receptors containing each gamma subunit isoform in various brain regions has been determined by quantitative immunoprecipitation. In all tes...

journal_title：Neurochemical research

authors： Khan ZU,Gutiérrez A,Miralles CP,De Blas AL

更新日期：1996-02-01 00:00:00

abstract：:The particulars regarding the amine precursor therapy for treatment of neuropsychiatric disorders and their neurochemical background are described historically. Furthermore, peculiar or artificial amino acids which are metabolized into the brain amine or their derivatives and promised their clinical application are al...

journal_title：Neurochemical research

authors： Nakajima T

更新日期：1996-02-01 00:00:00

abstract：:Recently we have demonstrated that extracellular ATP acts as an excitatory neurotransmitter and enhances cell death in the presence of ferrous ions. By using a newly developed cis-parinaric acid fluorescence technique, we demonstrated that ATP, in a dose dependent manner, enhanced the increased membrane lipid peroxida...

journal_title：Neurochemical research

authors： Cheng Y,Chen M,James-Kracke M,Wixom P,Sun AY

更新日期：1996-01-01 00:00:00

abstract：:gamma-L-Glutamylglutamate (LGG), an endogenous constituent of the brain, reduced the glutamate-evoked increase in intracellular Ca2+ in cultured cerebellar granule cells. The extent and properties of this inhibition were different at different Mg2+ concentrations. The intracellular Ca2+ response to NMDA was slightly e...

journal_title：Neurochemical research

authors： Varga V,Janáky R,Holopainen I,Oja SS,Akerman KE

更新日期：1995-12-01 00:00:00

abstract：:Activities toward arachidonyl-labelled phospholipase A2 substrates were assayed in fractions of white matter and cerebral cortex from control subjects and in fractions of demyelinated plaque, normal-appearing white matter and cerebral cortex from subjects who died with multiple sclerosis. Membranous activity at pH 8.6...

journal_title：Neurochemical research

authors： Huterer SJ,Tourtellotte WW,Wherrett JR

更新日期：1995-11-01 00:00:00

abstract：:Previous studies suggest that alterations of brain glutamate synthesis and release occur in experimental thiamine deficiency. In order to assess the integrity of post-synaptic glutamatergic receptors in thiamine deficiency, binding sites for [3H]glutamate (displaced by NMDA), [3H]-kainate, and [3H]quisqualate (AMPA si...

journal_title：Neurochemical research

authors： Peterson C,Héroux M,Lavoie J,Butterworth RF

更新日期：1995-10-01 00:00:00

abstract：:The conversion of phosphoethanolamine to phosphocholine requires 3 separate N-methyltransferases. We had previously purified the enzyme catalyzing the last methylation, phosphodimethylethanolamine N-methyltransferase. We have successfully purified the enzyme catalyzing the initial methylation of phosphoethanolamine. A...

journal_title：Neurochemical research

authors： Mukherjee S,Freysz L,Kanfer JN

更新日期：1995-10-01 00:00:00

abstract：:The present studies examined the inhibitory effect of veratridine (a Na+ channel activator) on carbachol (a cholinergic agonist) stimulated inositol 1,3,4,5-tetrakisphosphate accumulation in rat brain cortical slices. Veratridine inhibited carbachol stimulation of inositol 1,3,4,5-tetrakisphosphate formation (after a ...

journal_title：Neurochemical research

authors： Myles ME,Gokmen-Polar Y,Fain JN

更新日期：1995-09-01 00:00:00

abstract：:The enzymes degrading leucine enkephalin in human plasma and the inhibitors active on these enzymes were studied by kinetic and chromatographic techniques. Data obtained evidence the existence of complex kinetics of leu-enkephalin hydrolysis and of formation of its hydrolysis by-products. These appear to originate fro...

journal_title：Neurochemical research

authors： Bolacchi F,Marini M,Urbani A,Roda LG

更新日期：1995-09-01 00:00:00

abstract：:Enolase is a glycolytic enzyme whose amino acid sequence is highly conserved across a wide range of animal species. In mammals, enolase is known to be a dimeric protein composed of distinct but closely related subunits: alpha (non-neuronal), beta (muscle-specific), and gamma (neuron-specific). However, little informat...

journal_title：Neurochemical research

authors： Chun JT,Gioio AE,Crispino M,Giuditta A,Kaplan BB

更新日期：1995-08-01 00:00:00

abstract：:These studies were designed to compare the effects of nitric oxide (NO) generating compounds with those of several iron containing compounds which do not generate NO on glutamate receptor function. Stimulation of primary cultures of cerebellar granule cells with N-methyl-D-aspartate (NMDA) or kainate results in the el...

journal_title：Neurochemical research

authors： Oh S,McCaslin PP

更新日期：1995-07-01 00:00:00

abstract：:Acidosis (pH 6.0) led to significant decrease in high-affinity choline uptake by rat brain synaptosomes. The effects persisted following pH readjustment (7.4) of the incubation medium, consisting of decrease in both Km and Vmax of the affinity system. pH readjustment coincided with synaptosomal leakage of lactate dehy...

journal_title：Neurochemical research

authors： Cancela JM,Beley A

更新日期：1995-07-01 00:00:00

abstract：:Effects of methylmercury (MetHg) on the specific [3H]flunitrazepam binding were studied in rat cortical and cerebellar P2-fractions in vitro. MetHg did not affect significantly the specific [3H]flunitrazepam binding in unwashed P2-fraction but increased it marginally (by 16%) at 100 microM in washed P2-fraction, in bo...

journal_title：Neurochemical research

authors： Komulainen H,Keränen A,Saano V

更新日期：1995-06-01 00:00:00

abstract：:We have previously shown that 5-methyltetrahydrofolate influences neuro-secretion. The present study more precisely characterises the processes involved and considers one probable site of action. Focusing on the tyrosine-noradrenalin axis in cerebellum we showed 5-methyltetrahydrofolate causes a significant reduction ...

journal_title：Neurochemical research

authors： Lucock MD,Green M,Levene MI

更新日期：1995-06-01 00:00:00

abstract：:Here we review experimental evidence of non-NMDA glutamate receptor expression in the embryonic central nervous system. AMPA- and kainate-preferring glutamate receptor subunit mRNA transcripts are detected in embryonic neurons, glia and neural progenitors. Functional assays demonstrate that in some cell subpopulations...

journal_title：Neurochemical research

authors： Gallo V,Pende M,Scherer S,Molné M,Wright P

更新日期：1995-05-01 00:00:00

abstract：:The spontaneously hypertensive rat (SHR) has been proposed as an animal model for attention-deficit hyperactivity disorder (ADHD). The behavioural problems have been suggested to be secondary to altered reinforcement mechanisms in which nucleus accumbens dopaminergic activity plays an important role. Interaction betwe...

journal_title：Neurochemical research

authors： de Villiers AS,Russell VA,Sagvolden T,Searson A,Jaffer A,Taljaard JJ

更新日期：1995-04-01 00:00:00

abstract：:The microdialysis technique was utilized to study the local effects of D1 and D2 family type dopamine (DA) receptor (R) ligands on the in vivo release of endogenous glutamate (GLU) and aspartate (ASP) from rat substantia nigra (SN). Addition to the dialysis perfusion solution of either D1-R and D2-R agonists, such as ...

journal_title：Neurochemical research

authors： Abarca J,Gysling K,Roth RH,Bustos G

更新日期：1995-02-01 00:00:00

abstract：:We report further analysis of axonally transported proteoglycans in soluble and membranous subfractions of goldfish optic tectum. Distribution of transported 35SO4 radioactivity was 35.2% soluble, 63.4% Triton-NaCl extractable and 1.4% unextracted. Proteoglycans isolated on DEAE cellulose were treated with chondroitin...

journal_title：Neurochemical research

authors： Elam JS

更新日期：1995-02-01 00:00:00

abstract：:Senescence of the central nervous system is characterized by a progressive loss of neurons that can result in physiological and behavioral impairments. Reduction in the levels of central neurotrophic factors or of neurotrophin receptors may be one of the causes of the onset of these degenerative events. Thus, a proper...

journal_title：Neurochemical research

authors： Taglialatela G,Navarra D,Olivi A,Ramacci MT,Werrbach-Perez K,Perez-Polo JR,Angelucci L

更新日期：1995-01-01 00:00:00

abstract：:Evidence was accumulated indicating that cyclic nucleotides are involved in regulation of growth, differentiation and function of lymphoid cells. It was previously shown that the N-fragment (1-4) of thymosin beta 4 (Ac-Ser-Asp-Lys-Pro-OH) inhibits in vivo the entry of cell populations into S-phase. In the course of th...

journal_title：Neurochemical research

authors： Voelter W,Kapuzniotu A,Mihelic M,Gurvits B,Abrahamian G,Galoyan A

更新日期：1995-01-01 00:00:00

abstract：:The effect of the calcium channel blocker (KB-2796) on metabolic and functional recovery in rabbit spinal cord after 20, 30, and 40 min ischemia and 4 days of recovery was investigated. The drug was given intraperitoneally in three different doses, 10, 20, or 50 mg/kg pre- or post-ischemia of 20, 30, or 40 min duratio...

journal_title：Neurochemical research

authors： Danielisova V,Chavko M

更新日期：1994-12-01 00:00:00

abstract：:The role of polyamines (PA) synthesis in NMDA receptor-mediated 45Ca2+ fluxes and norepinephrine release was studied in rat hippocampal synaptosomes. NMDA (50 microM) caused a sharp (> 2-fold) transient increase in PA synthesis regulating enzyme, ornithine decarboxylase (ODC) activity with concomitant elevation in PA ...

journal_title：Neurochemical research

authors： Siddiqui F,Iqbal Z

更新日期：1994-11-01 00:00:00

abstract：:Regional cerebral glucose utilization (RCGU) and behavior were studied during naloxone-precipitated withdrawal in rats after chronic intravenous (IV) or intracerebroventricular (ICV) administration of sufentanil citrate, a potent, highly selective mu opiate agonist. Changes in RCGU were indistinguishable between the t...

journal_title：Neurochemical research

authors： Adams RE,Wooten GF

更新日期：1994-10-01 00:00:00

abstract：:2,5-Hexanedione (2,5-HD) induces central-peripheral axonpathy characterized by the accumulation of 10-nm neurofilaments proximal to the nodes of Ranvier and a Wallerian-type degeneration. It has been postulated that neurofilament crosslinking may be involved in the production of this axonopathy. A potential initiating...

journal_title：Neurochemical research

authors： Lanning CL,Wilmarth KR,Abou-Donia MB

更新日期：1994-09-01 00:00:00

abstract：:Proteolipid protein (PLP) is the major intrinsic membrane protein of CNS myelin and is expressed in oligodendrocytes as part of a coordinate program of myelin-specific gene activation. In order to identify the DNA sequences and proteins involved in the regulation of PLP transcription, we have analyzed the 5' flanking ...

journal_title：Neurochemical research

authors： Cambi F,Kamholz J

更新日期：1994-08-01 00:00:00

abstract：:Acrylamide, a prototype neurotoxin, alters neurofilament protein (NF) gene expression in rat brain. Levels of mRNA coding for neurofilament protein subunits NF-L, NF-M, and NF-H have been determined by Northern blot analysis using 32P-labeled cDNA probes. Acrylamide given acutely (100 mg/kg, single intraperitoneal inj...

journal_title：Neurochemical research

authors： Endo H,Kittur S,Sabri MI

更新日期：1994-07-01 00:00:00

abstract：:The ability of Sendai virosomes or Lipofectin to introduce an AAV vector into primary rat brain astroglial cultures was characterized. The pJDT95npy vector was constructed by inserting rat NPY cDNA downstream from the indigenous AAV p5, p19 and p40 promoters in pJDT95. Lipofectin-mediated transfection with pJDT95npy (...

journal_title：Neurochemical research

authors： de Fiebre CM,Wu P,Notabartolo D,Millard WJ,Meyer EM

更新日期：1994-06-01 00:00:00

abstract：:2',3'-cyclic nucleotide 3'-phosphohydrolase (CNP) was phosphorylated in vivo, in brain slices and in a cell free system. Phosphoamino acid analysis of immunoprecipitated CNP labeled in vivo and in brain slices revealed phosphorylation of phosphoserine (94%) and phosphothreonine (5%) residues. Phosphorylation of CNP in...

journal_title：Neurochemical research

authors： Agrawal HC,Sprinkle TJ,Agrawal D

更新日期：1994-06-01 00:00:00

abstract：:Agonist occupancy of muscarinic cholinergic receptors in human SH-SY-5Y neuroblastoma cells elicited two kinetically distinct phases of phosphoinositide hydrolysis when monitored by either an increased mass of inositol 1,4,5-trisphosphate, or the accumulation of a total inositol phosphate fraction. Within 5s of the ad...

journal_title：Neurochemical research

authors： Fisher SK,Slowiejko DM,McEwen EL

更新日期：1994-05-01 00:00:00

abstract：:Rhesus macaque monkey brain microvessel endothelial cells (BMECs) were isolated and grown in culture in an effort to establish an appropriate primate in vitro model of the endothelial component of the blood-brain barrier. The presence of Factor VIII antigen, alkaline phosphatase, gamma-glutamyl transpeptidase, lactate...

journal_title：Neurochemical research

authors： Shi F,Audus KL

更新日期：1994-04-01 00:00:00

abstract：:Diisopropyl phosphorofluoridate (DFP) produces organophosphorus ester-induced delayed neurotoxicity (OPIDN) in sensitive species. We have investigated the in vivo and in vitro effects of DFP on hen brain tubulin polymerization. Hens were treated with a single dose of DFP (1.7 mg/kg, sc.), and were sacrificed after 18-...

journal_title：Neurochemical research

authors： Gupta RP,Abou-Donia MB

更新日期：1994-04-01 00:00:00