abstract：:Two monoclonal antibodies that recognize Alzheimer's neurofibrillary tangles (ANTs), AD10 and AB18, have been characterized by immunoblotting against human and calf spinal cord neurofilament (NF) and calf brain microtubule preparations. Both antibodies bind to the 200-kilodalton (kd) (NF-H) and 160-kd (NF-M) but not t...

journal_title：Journal of neurochemistry

authors： Ksiezak-Reding H,Yen SH

更新日期：1987-02-01 00:00:00

abstract：:The presence of gamma-hydroxybutyric acid (GHB) in synaptosome-enriched fractions of rat brain was ascertained using a GLC technique. The stability of GHB in synaptosomes was evaluated by addition of various gamma-aminobutyric acid (GABA) transaminase (GABA-T) inhibitors, GHB, or ethosuximide to the homogenizing mediu...

journal_title：Journal of neurochemistry

authors： Snead OC 3rd

更新日期：1987-01-01 00:00:00

abstract：:Previous studies have shown that phorbol esters and lithium each stimulate the secretion of adrenocorticotropic hormone (ACTH) by the anterior pituitary tumor cell line AtT20/D16-16. Pretreatment with either lithium or phorbol ester desensitizes the cells to subsequent stimulation by phorbol ester. An early consequenc...

journal_title：Journal of neurochemistry

authors： Zatz M,Mahan LC,Reisine T

更新日期：1987-01-01 00:00:00

abstract：:The phosphorylation of microtubule-associated protein 2 (MAP2) by four different kinases was studied in vitro to determine whether MAP2 is phosphorylated in its tubulin binding region or in the microtubule projection portion. Fragments corresponding to both regions of MAP2 were produced not only by chymotrypsin or try...

journal_title：Journal of neurochemistry

authors： Hernández MA,Wandosell F,Avila J

更新日期：1987-01-01 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：:The effect of glucose concentration on the in vitro release of histamine (HA) was examined, using two different preparations of the mouse hypothalamus. The HA and tele-methylhistamine released from whole blocks of the hypothalamus into the medium linearly increased during 2-h incubation in normal Krebs-Ringer bicarbon...

journal_title：Journal of neurochemistry

authors： Nishibori M,Oishi R,Itoh Y,Saeki K

更新日期：1986-12-01 00:00:00

abstract：:The relationships between presynaptic acetylcholinesterase (AChE) and high-affinity choline uptake (HACU) were investigated using a monolayer of rat cortex synaptosomes in superfusion conditions. The following sets of experiments were performed: determination of [3H]choline ([3H]Ch) uptake during superfusion with [3H]...

journal_title：Journal of neurochemistry

authors： Raiteri M,Marchi M,Caviglia AM

更新日期：1986-12-01 00:00:00

abstract：:The nucleoside transporter of cerebral microvessels and choroid plexus was identified and characterized using [3H]nitrobenzylthioinosine (NBMPR) as a specific probe. [3H]NBMPR bound reversibly and with high affinity to a single specific site in particulate fractions of cerebral microvessels, choroid plexus, and cerebr...

journal_title：Journal of neurochemistry

authors： Kalaria RN,Harik SI

更新日期：1986-12-01 00:00:00

abstract：:We examined the effect of phenylalanine (50-400 microM) on the electrically stimulated release of endogenous 3,4-dihydroxyphenylethylamine (dopamine or DA) from superfused rat striatal slices. In the absence of tyrosine, phenylalanine (25 microM) partially sustained DA release, but less well than an equimolar concentr...

journal_title：Journal of neurochemistry

authors： Milner JD,Irie K,Wurtman RJ

更新日期：1986-11-01 00:00:00

abstract：:The glutamate (Glu) terminals in rat neostriatum were removed by a unilateral frontal decortication. One to two weeks later the effects of insulin-induced hypoglycemia on the steady-state levels of amino acids [Glu, glutamine (Gln), aspartate (Asp), gamma-aminobutyric acid (GABA), taurine] and energy metabolites (gluc...

journal_title：Journal of neurochemistry

authors： Engelsen B,Westerberg E,Fonnum F,Wieloch T

更新日期：1986-11-01 00:00:00

abstract：:The modulation of 3,4-dihydroxyphenylethylamine (dopamine, DA) synthesis and release in rabbit retina in vitro by high K+; adenylate cyclase activators such as forskolin, 2-chloroadenosine, vasoactive intestinal polypeptide (VIP); and the putative DA autoreceptor agonist N-n-propyl-3-(3-hydroxyphenyl) piperidine (3-PP...

journal_title：Journal of neurochemistry

authors： Ofori S,Magistretti PJ,Schorderet M

更新日期：1986-10-01 00:00:00

abstract：:Previous evidence has suggested that brain catecholamine levels are important in the regulation of central angiotensin II receptors. In the present study, the effects of norepinephrine and 3,4-dihydroxyphenylethylamine (dopamine) on angiotensin II receptor regulation in neuronal cultures from rat hypothalamus and brai...

journal_title：Journal of neurochemistry

authors： Sumners C,Watkins LL,Raizada MK

更新日期：1986-10-01 00:00:00

abstract：:In the human fetus, obtained postmortem at estimated gestational ages of 8-22 weeks, biochemical activities of cortical choline acetyltransferase (ChAT) and acetylcholinesterase (AChE) were comparable to those of adult brain tissue. In contrast cholinergic receptor binding, including muscarinic M1 and M2 subtypes (mea...

journal_title：Journal of neurochemistry

authors： Perry EK,Smith CJ,Atack JR,Candy JM,Johnson M,Perry RH

更新日期：1986-10-01 00:00:00

abstract：:Membrane vesicles, showing a 21 +/- 2-fold enrichment in the activity of 5'-nucleotidase and a 11 +/- 4-fold enrichment in the activity of angiotensin-converting enzyme relative to homogenate, were prepared from the myenteric plexus-containing longitudinal muscle layer of guinea pig ileum. Incubation of the vesicles w...

journal_title：Journal of neurochemistry

authors： Nau R,Schäfer G,Deacon CF,Cole T,Agoston DV,Conlon JM

更新日期：1986-09-01 00:00:00

abstract：:[3H]Strychnine binding to rat pons + medulla membranes was used as a measure of glycine receptors or glycine receptor-coupled chloride channels in vitro. A series of compounds structurally related to 4,5,6,7-tetrahydroisoxazolo[5,4-c]pyridin-3-ol (THIP), which previously were shown to antagonize glycine responses in c...

journal_title：Journal of neurochemistry

authors： Braestrup C,Nielsen M,Krogsgaard-Larsen P

更新日期：1986-09-01 00:00:00

abstract：:The effects of phenytoin, a potent antiepileptic drug, on the active transport of cations within membranes remain controversial. To assess the direct effects of phenytoin on the Na+,K+ pump, we studied the drug's influence on the phosphorylation of partially purified (Na+,K+)-ATPase from mouse brain. (Na+,K+)-ATPase s...

journal_title：Journal of neurochemistry

authors： Guillaume D,Grisar T,Delgado-Escueta AV

更新日期：1986-09-01 00:00:00

abstract：:Using tritium-labelled 4,5,6,7-tetrahydroisoxazolo[4,5-c]pyridin-3-ol (THPO) its tissue distribution and metabolism were investigated in adult mice and 4-day-old chicks after systemic administration of the drug. It was found not to be significantly metabolized in the brain since metabolites of THPO corresponding to on...

journal_title：Journal of neurochemistry

authors： Schousboe A,Hjeds H,Engler J,Krogsgaard-Larsen P,Wood JD

更新日期：1986-09-01 00:00:00

abstract：:Young rats (21 days old) made nutritionally iron deficient, by feeding them a semisynthetic diet containing skimmed milk for 5 weeks, had significantly lowered hemoglobin levels (5.2 +/- 4 g/100 ml). The nonheme iron content in caudate nucleus was decreased by 47%. The behavioral response of iron-deficient rats to apo...

journal_title：Journal of neurochemistry

authors： Youdim MB,Sills MA,Heydorn WE,Creed GJ,Jacobowitz DM

更新日期：1986-09-01 00:00:00

abstract：:We report here that anti-L1 antiserum, raised against material from embryonic brain, and anti-NILE antiserum, raised against purified NILE (nerve growth factor-inducible large external) glycoprotein of PC12 cells, immunoprecipitate from PC12 cells material of the same apparent molecular weight (230 kilodaltons) by sod...

journal_title：Journal of neurochemistry

authors： Sajovic P,Kouvelas E,Trenkner E

更新日期：1986-08-01 00:00:00

abstract：:The transport kinetics of gamma-aminobutyric acid (GABA), taurine, and beta-alanine in addition to the mutual inhibition patterns of these compounds were investigated in cultures of neurons and astrocytes derived from mouse cerebral cortex. A high-affinity uptake system for each amino acid was demonstrated both in neu...

journal_title：Journal of neurochemistry

authors： Larsson OM,Griffiths R,Allen IC,Schousboe A

更新日期：1986-08-01 00:00:00

abstract：:Exhaustive in vitro dephosphorylation of porcine neurofilaments (NFs) by alkaline or acid phosphatase did not cause a dissociation of the 210-kD (NF-H), 160-kD (NF-M), or 70-kD (NF-L) subunits and had no effect on the reassembly of NFs from urea or guanidine solution. Electron microscopy revealed that the NFs reassemb...

journal_title：Journal of neurochemistry

authors： Georges E,Lefebvre S,Mushynski WE

更新日期：1986-08-01 00:00:00

abstract：:Enzymes considered to be markers for neurons (angiotensin converting enzyme, thermolysin-like metalloendopeptidase, alanine aminopeptidase, and glutamate-oxaloacetate transaminase), glia (glutamine synthetase, pyruvate carboxylase, and beta-glucuronidase), and endothelial cells (alkaline phosphatase and plasminogen ac...

journal_title：Journal of neurochemistry

authors： Butterworth J

更新日期：1986-08-01 00:00:00

abstract：:Binding of tetanus toxin to rat brain membranes was of lower affinity and capacity when binding was determined in 150 mM NaCl, 50 mM Tris-HCl (pH 7.4) than in 25 mM Tris-acetate (pH 6.0). Binding under both conditions was reduced by treating the membranes with neuraminidase. Pronase treatment, however, reduced toxin b...

journal_title：Journal of neurochemistry

authors： Critchley DR,Habig WH,Fishman PH

更新日期：1986-07-01 00:00:00

abstract：:The binding of [3H]5-hydroxytryptamine (5-HT, serotonin) to cerebellar membranes was examined after preincubation of [3H]5-HT in the presence or absence of ascorbate. The tissue preparation was identical in all experiments and consisted of rat cerebellar homogenates in Tris-HCl buffer with 0.1% ascorbate. Cerebellar m...

journal_title：Journal of neurochemistry

authors： Peroutka SJ,Ison PJ,Liu DU,Barrett RW

更新日期：1986-07-01 00:00:00

abstract：:The presence of insulin receptors was investigated in human Y-79 retinoblastoma cells grown in suspension culture. The binding of [125I] insulin to these cells was time, temperature, and pH dependent, was competed for by insulin and proinsulin but not other peptides, and was inhibited by antibodies against the insulin...

journal_title：Journal of neurochemistry

authors： Saviolakis GA,Kyritsis AP,Chader GJ

更新日期：1986-07-01 00:00:00

abstract：:The specific binding of [3H]imipramine to mouse brain membranes in an assay containing 120 mM NaCl and 5 mM KCl was similar in regional distribution and pharmacological specificity to that reported previously in rat and human brain. However, the absence of ions decreased the density of the specific binding of [3H]imip...

journal_title：Journal of neurochemistry

authors： Severson JA,Woodward JJ,Wilcox RE

更新日期：1986-06-01 00:00:00

abstract：:Noradrenaline (NA) release and its modulation via presynaptic opioid receptors were studied in rabbit hippocampal slices, which were preincubated with [3H]NA, continuously superfused in the presence of 30 microM cocaine and stimulated electrically. The evoked release of [3H]NA was strongly reduced by the preferential ...

journal_title：Journal of neurochemistry

authors： Jackisch R,Geppert M,Illes P

更新日期：1986-06-01 00:00:00

abstract：:Choroid plexi from the lateral ventricles of rabbits, cats, and dogfish (Mustelus canis) were used to characterize the prostaglandin (PG) uptake process and to establish its kinetic parameters and substrate specificity. The apparent Kt for PGF2 alpha transport by the rabbit choroid plexus was 20 microM; the Jmax was 2...

journal_title：Journal of neurochemistry

authors： DiBenedetto FE,Bito LZ

更新日期：1986-06-01 00:00:00

abstract：:Fast-performance liquid chromatography was used to purify assembly-competent tubulin from porcine brain microtubule protein prepared by two cycles of assembly-disassembly. Microtubule protein (1-100 mg at 1.5-2.5 mg/ml) in buffer consisting of 0.1 M 2-(N-morpholino)ethanesulfonic acid, 0.5 mM MgCl2, 1 mM EGTA, 0.3 M K...

journal_title：Journal of neurochemistry

authors： Roychowdhury S,Gaskin F

更新日期：1986-05-01 00:00:00

abstract：:The elongation of arachidoyl-CoA (20:0-CoA) yielded 22:0 and 24:0 concomitantly, whereas the elongation of behenoyl-CoA (22:0-CoA) yielded only a negligible amount of 24:0 in adult swine cerebral microsomes. The dependence on time, pH, and the substrate concentrations were examined for the synthesis of 22:0 and 24:0 f...

journal_title：Journal of neurochemistry

authors： Yoshida S,Takeshita M

更新日期：1986-05-01 00:00:00

abstract：:Exposure of bovine chromaffin cells in primary culture to 0.01-1 microM reserpine caused a dose- and time-dependent increase in intracellular levels of the amidated enkephalin peptide metorphamide. Maximal levels (approximately 800% of control) were obtained at 0.1 microM reserpine and increased levels were apparent b...

journal_title：Journal of neurochemistry

authors： Eiden LE,Zamir N

更新日期：1986-05-01 00:00:00

abstract：:CNS myelin was isolated from the spinal cord of the African lungfish Protopterus dolloi. Its proteins consisted of (1) two basic proteins (16,000 and 18,500 apparent Mr) that reacted with anti-human CNS myelin basic protein antibodies and (2) a major protein (29,000 apparent Mr) that stained with concanavalin A-horser...

journal_title：Journal of neurochemistry

authors： Waehneldt TV,Matthieu JM,Jeserich G

更新日期：1986-05-01 00:00:00

abstract：:We have examined cyclic GMP concentrations, guanylate cyclase activities, and cyclic GMP phosphodiesterase (PDE) activities in developing retinas of congenic mice with different allelic combinations at the retinal degeneration (rd) and retinal degeneration slow (rds) loci. Although guanylate cyclase activities were fo...

journal_title：Journal of neurochemistry

authors： Fletcher RT,Sanyal S,Krishna G,Aguirre G,Chader GJ

更新日期：1986-04-01 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：:Using nuclear reaction 6Li(n, alpha)3H and dielectric detectors, we have studied the distribution of Li in the brain of adult mice, following Li treatment of the animals. Two strains of animals were used in parallel: "quaking" dysmyelinating mutants and normally myelinated controls. The distribution appeared to be sha...

journal_title：Journal of neurochemistry

authors： Heurteaux C,Baumann N,Lachapelle F,Wissocq JC,Thellier M

更新日期：1986-04-01 00:00:00

abstract：:Cyclic AMP phosphodiesterase activity in bovine brain coated vesicles displayed a Km of approximately 22 microM for cyclic AMP, a Vmax of 3.2 nmol/min/mg protein, and a Hill coefficient of 1.5, suggesting positive cooperativity. The enzyme activity was stimulated by cyclic GMP with maximal indexes of stimulation rangi...

journal_title：Journal of neurochemistry

authors： Silva WI,Schook W,Mittag TW,Puszkin S

更新日期：1986-04-01 00:00:00

abstract：:The content of the tryptophan metabolites quinolinic acid (QUIN), 5-hydroxytryptamine (5-HT), and 5-hydroxyindoleacetic acid (5-HIAA) was measured in various brain areas of rats bearing a portocaval anastomosis (PCA) for 4 weeks, using mass fragmentography or HPLC. In these animals, the content of the excitotoxic comp...

journal_title：Journal of neurochemistry

authors： Moroni F,Lombardi G,Carlà V,Pellegrini D,Carassale GL,Cortesini C

更新日期：1986-03-01 00:00:00

abstract：:The role of the serotonin (5-hydroxytryptamine) autoreceptor in the regulation of the activity of tryptophan hydroxylase was investigated in rat raphe slices. The activity of tryptophan hydroxylase was estimated by measuring the accumulation of 5-hydroxytryptophan in the presence of inhibition of aromatic L-amino acid...

journal_title：Journal of neurochemistry

authors： Sawada M,Nagatsu T

更新日期：1986-03-01 00:00:00

abstract：:The regulatory role of ascorbic acid in norepinephrine biosynthesis was studied using digitonin-permeabilized chromaffin cells. When permeabilized chromaffin cells were incubated with [3H]3,4-dihydroxyphenylethylamine ([3H]dopamine) in calcium-free medium, the amounts of radioactive dopamine and norepinephrine measure...

journal_title：Journal of neurochemistry

authors： Morita K,Levine M,Pollard HB

更新日期：1986-03-01 00:00:00

abstract：:Isolated rat neurointermediate lobes were incubated in vitro. The release of 3,4-dihydroxyphenylethylamine (dopamine, DA), dihydroxyphenylacetic acid (DOPAC), homovanillic acid (HVA), and methoxyphenylethanol (MOPET) was determined by HPLC with electrochemical detection. Under resting conditions, the outflow of metabo...

journal_title：Journal of neurochemistry

authors： Racké K,Muscholl E

更新日期：1986-03-01 00:00:00