abstract：:We propose the following scheme for cerebral uptake and overall metabolism of glucose in vivo: that brain selects from two pools of glucose anomers in arterial blood, that it takes up excess glucose, that glucose enters the brain tissue as glucose-6-phosphate through the actions of mutarotase and hexokinase, that some...

journal_title：Neurochemical research

authors： Sacks W,Cowburn D,Bigler RE,Sacks S,Fleischer A

更新日期：1985-02-01 00:00:00

abstract：:Lipid peroxides, quantitated as lipid conjugated dienes, and (Na+, K+)-ATPase activity were assayed concurrently in brains of control rats and in three groups subjected to 30 min of reversible forebrain ischemia followed by 0, 1, and 4 hr of recirculation. Multiple small samples were taken from lateral, dorsolateral a...

journal_title：Neurochemical research

authors： Goldberg WJ,Watson BD,Busto R,Kurchner H,Santiso M,Ginsberg MD

更新日期：1984-12-01 00:00:00

abstract：:An analytical method for the determination of saturated very long chain (VLC) fatty acids in the serum has been devised. Free fatty acids obtained after hydrolysis of total lipid extracts were converted into p-bromophenacyl esters. The derivatives were purified in two sequential steps by clean-up on C18 reversed-phase...

journal_title：Neurochemical research

authors： Alberghina M,Fiumara A,Pavone L,Giuffrida AM

更新日期：1984-12-01 00:00:00

abstract：:The specific precursors for neurotransmitter pools of glutamate giving rise to GABA in GABAergic neurons and nerve endings have not been clearly established. Glutamate is the immediate precursor for the production of GABA and it is suggested that ornithine (from arginine) might be serving as one of the precursors of g...

journal_title：Neurochemical research

authors： Sadasivudu B,Swamy M

更新日期：1984-11-01 00:00:00

abstract：:Antibodies to synthetic myelin basic protein peptide S82 (TTHYG-SLPQKAQGHRPQDEG) did not react with synthetic peptide S8 (GSLPQKAQGHRPQDENG) and only partially so with synthetic peptide S79 (AQGHRPQDEG); however, the antibodies did react to a considerable extent with an equimolar mixture of S8 and S79. Since the anti-...

journal_title：Neurochemical research

authors： Day ED,Hashim GA

更新日期：1984-10-01 00:00:00

abstract：:Experimental allergic encephalomyelitis (EAE) is an experimentally induced autoallergic demyelinating disease which is caused by immunization with a particular neuroantigen, such as myelin basic protein (MBP). Results have suggested that protease inhibitors might be useful therapeutically. Leupeptin (acetyl-L-leucyl-L...

journal_title：Neurochemical research

authors： Osanai T,Nagai Y

更新日期：1984-10-01 00:00:00

abstract：:In vitro synthesis of myelin proteolipid protein (PLP) was explored at different ages using rat brain total homogenates, incubated for 30 min with [3H]glycine. Total proteolipids, extracted from the incubated samples, were separated by SDS-PAGE and the radioactivity was measured in the band corresponding to myelin PLP...

journal_title：Neurochemical research

authors： Bizzozero OA,Pasquini JM

更新日期：1984-09-01 00:00:00

abstract：:The incorporation of [gamma-32P]ATP into proteins of rat brain polyribosomes was studied in vitro. The effects of cyclic nucleotides, calcium, hemin, ACTH, GTP, and spermine were examined. The incorporation of phosphate into proteins increased with time and phosphatase activity was very low; thus, the extent of phosph...

journal_title：Neurochemical research

authors： Schrama LH,Frankena H,Edwards PM,Schotman P

更新日期：1984-09-01 00:00:00

abstract：:The potassium-stimulated release of acetylcholine, norepinephrine, serotonin, glutamate, and 4-aminobutyrate from superfused rat cortical slices was studied during hypoxia. A reduction in oxygen tensions from 603 +/- 6 to 22 +/- 2 mm Hg selectively altered the calcium-dependent efflux of these neurotransmitters, but d...

journal_title：Neurochemical research

authors： Hirsch JA,Gibson GE

更新日期：1984-08-01 00:00:00

abstract：:The influence of phosphatidylserine (PS) on the isoniazid-induced convulsions has been studied in mice. Sonicated dispersions of this phospholipid given intravenously do not show anticonvulsant activity but they do so when gamma-aminobutyric acid (GABA) is simultaneously injected. GABA alone is inactive. The synergism...

journal_title：Neurochemical research

authors： Toffano G,Mazzari S,Zanotti A,Bruni A

更新日期：1984-08-01 00:00:00

abstract：:Crayfish glutamic acid decarboxylase (GAD), like the homologous enzymes from other species, is inhibited by carbonyl-trapping agents (e.g. aminooxyacetic acid; AOAA) and sulfhydryl reagents (e.g. 5,5'-dithiobis-(2-nitrobenzoic acid); DTNB). It also is inhibited by the product GABA, many anions (e.g. SCN- and Cl-), and...

journal_title：Neurochemical research

authors： Grossfeld RM,Yancey SW,Baxter CF

更新日期：1984-07-01 00:00:00

abstract：:Detergents Triton X-100, sodium deoxycholate, and octyl-beta-D-glucopyranoside, and proteinase papain proved to be excellent agents solubilizing the gamma-glutamyltransferase (gamma-GT) from human brain cortex microvessels. Ficin also solubilized gamma-GT but to a lesser extent than papain. The relative molecular mass...

journal_title：Neurochemical research

authors： Veselý J,Cernoch M

更新日期：1984-07-01 00:00:00

abstract：:Using the immunoblot technique, we found that an incubation of purified human myelin in 10 mM Tris-HCl buffer at pH 7.5 resulted in the conversion of the myelin-associated glycoprotein (MAG) to a smaller derivative (dMAG). Exogenously added 5 mM CaCl2 accelerated the conversion of MAG. In buffer containing more than 1...

journal_title：Neurochemical research

authors： Sato S,Yanagisawa K,Miyatake T

更新日期：1984-05-01 00:00:00

abstract：:The action of electroacupuncture (EA) may be similar to analgesia by electrode stimulation or transcutaneous nerve stimulation. Since EA may directly stimulate nerve activity or indirectly enhance the release of opiate peptides and other neurotransmitter substances, we have used (Na+ + K+)-ATPase as a model to study t...

journal_title：Neurochemical research

authors： Lee DZ,Sun AY

更新日期：1984-05-01 00:00:00

abstract：:Treatment of neural membranes from rat cerebral cortex with phospholipase C (phosphatidylcholine cholinephosphohydrolase) inhibited the binding of radiolabelled antagonists to muscarinic acetylcholine receptors. This inhibition was incomplete, was not competitive, and did not appear to be related to the production of ...

journal_title：Neurochemical research

authors： Parthasarathy N,Pickard C,Aronstam RS

更新日期：1984-05-01 00:00:00

abstract：:The regional distribution of 2-amino-4-phosphonobutyrate (APB)/chloride-insensitive L-[3H]glutamate binding sites in the rat central nervous system was compared with that of APB/chloride-sensitive and with sodium-dependent binding sites. The distribution of APB-sensitive and APB-insensitive sites was not correlated, b...

journal_title：Neurochemical research

authors： Larder AP,McLennan H

更新日期：1984-03-01 00:00:00

abstract：:The folate cycle, which has a close correlation with nucleic acid synthesis as well as with sulfur amino acid metabolism, may have some bearing on the pathogenesis of amyotrophic lateral sclerosis. The folate cycle hypothesis offers a unified explanation of the reduction of RNA and the elevation of taurine in nervous ...

journal_title：Neurochemical research

authors： Yoshino Y

更新日期：1984-03-01 00:00:00

abstract：:The effect of anticonvulsant drugs was examined on brain GABA levels and GAD and GABA-T activities. The level of GABA was increased by the treatment with diphenylhydantoin. The drug had no effect on GABA-T activity, whereas GAD activity was inhibited. Carbamazepine increased the GABA level but did not effect GAD and G...

journal_title：Neurochemical research

authors： Battistin L,Varotto M,Berlese G,Roman G

更新日期：1984-02-01 00:00:00

abstract：:The long-acting opiate antagonist naltrexone hydrochloride was administered by intraperitoneal injection, in a dose response protocol, to adult rats. The drug was used to observe effects of opiate receptor blockade on cells of the pituitary gland and adjacent hypothalamus. At higher drug doses (5 mg/kg or 10 mg/kg), n...

journal_title：Neurochemical research

authors： Saland LC,Reyes E,Ortiz E

更新日期：1984-02-01 00:00:00

abstract：:The activities of monoamine oxidase (MAO), catechol-O-methyltransferase (COMT) and gamma-aminobutyric acid transaminase (GABA-T) were measured in primary cultures from newborn rat cultivated from 6 different brain regions. These primary cultures contained mostly astroglial cells, evaluated by the presence of the glial...

journal_title：Neurochemical research

authors： Hansson E

更新日期：1984-01-01 00:00:00

abstract：:The present study reports inhibition of taurine uptake in the rat retina in vitro to 49% of control by 1 mM guanidinoethyl sulfonate. No efflux of preloaded [14C]taurine was observed by incubation in the presence of guanidinoethyl sulfonate. The in vivo depletion of retinal taurine by guanidinoethyl sulfonate treatmen...

journal_title：Neurochemical research

authors： Lake N,Cocker SE

更新日期：1983-12-01 00:00:00

abstract：:The mutual interactions and the effects of GABA on the saturable transport components of taurine and hypotaurine were investigated with mouse brain slices. The low-affinity taurine transport was competitively inhibited by both hypotaurine and GABA. Hypotaurine did not alter the kinetic parameters of high-affinity taur...

journal_title：Neurochemical research

authors： Kontro P,Oja SS

更新日期：1983-11-01 00:00:00

abstract：:The frontal cortex, hippocampus, and cerebellum of the Fischer 344 rat were examined for an age-dependent change in neuronal and non-neuronal binding. Clonazepam and Ro5-6669 displaceable [3H]diazepam binding were used as indicators of [3H]diazepam binding on neuronal and non-neuronal membranes, respectively. In both ...

journal_title：Neurochemical research

authors： Komiskey HL,MacFarlan MF

更新日期：1983-09-01 00:00:00

abstract：:The protein composition of myelin isolated from the CNS of four different fish species (trout, goldfish), eel, Tilapia) was analysed by SDS-polyacrylamide gel electrophoresis and compared with that of pig and rat brain. Thereby the following features were found typical to the myelin of fish: (1) a basic protein of par...

journal_title：Neurochemical research

authors： Jeserich G

更新日期：1983-08-01 00:00:00

abstract：:Adult rabbit brain contains the enzymatic machinery to convert deoxyuridine to deoxyuridine triphosphate (dUTP). Although dUTP as dUMP can be readily incorporated into DNA in place of thymidine monophosphate, we detected no (3H)dUMP in newly synthesized (3H)DNA in adult rabbit brain after the intraventricular injectio...

journal_title：Neurochemical research

authors： Spector R,Boose B

更新日期：1983-08-01 00:00:00

abstract：:We recently presented evidence that distinct morphine and enkephalin receptors coexist in an opioid receptor complex (Mol. Pharmacol. 21:548-557, 1982). In this paper, we present data which demonstrate that in the presence of sodium leucine enkephalin noncompetitively inhibits the binding of [3H]naloxone to a crude pa...

journal_title：Neurochemical research

authors： Rothman RB,Westfall TC

更新日期：1983-07-01 00:00:00

abstract：:The patterns of cholesterol content in chick brain and liver were studied during embryonic development and compared with the variations in the specific activities of mevalonate-activating enzymes during the same period. Total cholesterol content in both embryonic chick brain and liver increased during incubation. The ...

journal_title：Neurochemical research

authors： Marco C,Gonzalez-Pacanowska D,Linares A,Garcia-Peregrin E

更新日期：1983-06-01 00:00:00

abstract：:We found that chronic lithium diet affects the sensitivity of neuroleptic receptors and the content of amino acids in the brain, and that the changes in adult animals differ from those in young rats. Pregnant rats were kept on lithium diet (pellets with 0.21% Li2CO3 and 0.21% NaCl) during the gestation period and the ...

journal_title：Neurochemical research

authors： Wajda IJ,Banay-Schwartz M,De Guzman T,Manigault I

更新日期：1983-05-01 00:00:00

abstract：:In human pathology little is known about the activating enzymes for fatty acids of different carbon chain length. In order to have a better insight into disorders of lipid metabolism in human skeletal muscle, we studied the distribution of acyl-CoA synthetases in muscular subcellular fractions. We find that in muscle ...

journal_title：Neurochemical research

authors： Trevisan C,DiMauro S

更新日期：1983-05-01 00:00:00

abstract：:The release of labeled norepinephrine from preloaded synaptosomes requires the presence of potassium and calcium. ATP-dependent binding of calcium to synaptic plasma membranes (SPM) may provide a means of maintaining the cation in a readily available pool for the triggering of transmitter release. A high Ca-binding ca...

journal_title：Neurochemical research

authors： Corpus V,Sun AY

更新日期：1983-04-01 00:00:00

abstract：:The labeling of RNA in young and adult rat brain has been studied by measuring in vitro (tissue slices incubation) the incorporation of labeled uridine into RNA of total tissue and of the various subcellular fractions purified from cerebral hemispheres of 1- and 10-month-old rats. Gel electrophoretic analysis of the n...

journal_title：Neurochemical research

authors： Serra I,Cupello A,Gadaleta MN,Viola M,Ragonese P,Giuffrida AM

更新日期：1983-04-01 00:00:00

abstract：:An in vitro procedure for labeling of RNA in the excised rat nodose ganglion was used to evaluate the changes in incorporation of [3H]uridine into ganglionic RNA following transection of the abdominal vagus nerves. Significant increases in the incorporation into 28S, 18S and 4S RNA were observed at 1 day after injury,...

journal_title：Neurochemical research

authors： Bates DJ,Sirkos S,Moses EK,Austin L

更新日期：1983-03-01 00:00:00

abstract：:The experiments reported in this paper address the hypothesis that [3H]leucine enkephalin labels both mu and delta receptors. As reported by other workers, this peptide dissociates from rat brain membranes in a biphasic manner. This is consistent with a two site binding model which hypothesizes that the peptide labels...

journal_title：Neurochemical research

authors： Rothman RB,Westfall TC

更新日期：1983-02-01 00:00:00

abstract：:The maximal rate of some cerebral enzymatic activities related to energy transduction (hexokinase; phosphofructokinase; lactate dehydrogenase; citrate synthase; malate dehydrogenase; total NADH-cytochrome c reductase; cytochrome oxidase), amino acid metabolism (glutamate decarboxylase; glutamate dehydrogenase) and cho...

journal_title：Neurochemical research

authors： Villa RF,Marzatico F,Benzi G

更新日期：1983-02-01 00:00:00

abstract：:The endogenous sialidase (N-acetylneuraminidase) activity of membranes prepared from goldfish retina and optic tectum displays characteristics similar to those reported for neural plasma membrane sialidases of other organisms. Endogenous membrane sialidase activity was found to be optimal at ph 4.0, and maximal releas...

journal_title：Neurochemical research

authors： Leskawa KC,Agranoff BW

更新日期：1983-01-01 00:00:00

abstract：:The efflux kinetics of 45Ca from rat brain cortex thin slices previously equilibrated with it, was studied in a superfusion system. Two first order kinetic components of efflux from the tissue were found: k2 = 0.0667 min-1, that was unchanged by lowering the temperature from 37 degrees C to 15 degrees, and k3 = 0.0167...

journal_title：Neurochemical research

authors： Rubiales de Barioglio S,Orrego F

更新日期：1982-11-01 00:00:00

abstract：:It was found that acute ethanol intoxication caused an imbalance of the neurotransmitters in the CNS: accumulation of GABA and serotonin and depletion of catecholamines. Alcohol depression was characterized by suppression of the evoked potentials of the various rat brain structures. Under chronic ethanol intoxication ...

journal_title：Neurochemical research

authors： Blagova OE,Budantsev AY,Sytinsky IA,Lajtha A

更新日期：1982-11-01 00:00:00

abstract：:We estimated catecholamine levels in CSF of 15 epileptics and 75 non-neurological patients utilizing a high performance liquid chromatograph with a highly sensitive fluorometer and found the following results: The dopamine (DA) levels in males were significantly higher than those in females, while norepinephrine (NE) ...

journal_title：Neurochemical research

authors： Hiramatsu M,Fujimoto N,Mori A

更新日期：1982-10-01 00:00:00

abstract：:Probenecid inhibits the transport of the small monocarboxylic acids lactate and propionate from blood to brain but does not affect the transport of 5HIAA or HVA. Neither lactate, 5HIAA, HVA, nor probenecid itself inhibits probenecid uptake into brain from blood and neither lactate nor 5HIAA itself inhibits 5HIAA uptak...

journal_title：Neurochemical research

authors： Yuwiler A,Bennett BL,Geller E

更新日期：1982-10-01 00:00:00

abstract：:Neurons of the rat cerebral hemispheres are known to undergo a postnatal shift to a short DNA repeat length. In the present study we report that rat neuronal nuclei are more sensitive to digestion with DNAse I when isolated at a developmental stage after the shift in neuronal DNA repeated length compared to nuclei iso...

journal_title：Neurochemical research

authors： Greenwood PD,Brown IR

更新日期：1982-08-01 00:00:00