The astrocytic response to the dopaminergic denervation of the striatum.

abstract：:The changes in activity of phospholipid methyltransferase I and [3H]S-adenosyl-L-homocysteine ([3H]SAH) binding were determined in cortical membrane preparations from newborn rats and rats 1, 2, and 8 months old. The activity of phospholipid methyltransferase I and the [3H]SAH binding were significantly greater (respe...

journal_title：Journal of neurochemistry

authors： Gharib A,Rey C,Fonlupt P,Sarda N,Pacheco H

更新日期：1985-07-01 00:00:00

abstract：:Interleukin-1β (IL-1β) is released from activated microglia and involved in the neurodegeneration of acute and chronic brain disorders, such as stroke and Alzheimer's disease, in which extracellular acidification has been shown to occur. Here, we examined the extracellular acidic pH regulation of IL-1β production, esp...

journal_title：Journal of neurochemistry

authors： Jin Y,Sato K,Tobo A,Mogi C,Tobo M,Murata N,Ishii S,Im DS,Okajima F

更新日期：2014-05-01 00:00:00

abstract：:We investigated the regulatory pathways responsible for agonist-induced internalization and down-regulation of G(q) protein-coupled histamine H(1)-receptors in Chinese hamster ovary cells. Histamine-induced internalization and down-regulation of H(1)-receptors were detected as the loss of [(3)H]mepyramine binding site...

journal_title：Journal of neurochemistry

authors： Hishinuma S,Komazaki H,Fukui H,Shoji M

更新日期：2010-05-01 00:00:00

abstract：:Although accumulating evidence demonstrates that white matter degeneration contributes to pathology in Alzheimer's disease (AD), the underlying mechanisms are unknown. In order to study the roles of the amyloid-beta peptide in inducing oxidative stress damage in white matter of AD, we investigated the effects of amylo...

journal_title：Journal of neurochemistry

authors： Zeng C,Lee JT,Chen H,Chen S,Hsu CY,Xu J

更新日期：2005-08-01 00:00:00

abstract：:The effects of phorbol esters were investigated on the survival of chick sympathetic neurons in a serum-free culture medium. The protein kinase C activator phorbol 12,13-dibutyrate (PDB) supported about 40% of the plated sympathetic neurons. This number was comparable to that supported by nerve growth factor (NGF). A ...

journal_title：Journal of neurochemistry

authors： Wakade AR,Wakade TD,Malhotra RK,Bhave SV

更新日期：1988-09-01 00:00:00

abstract：:Synaptic scaffolding molecule (S-SCAM) is a synaptic protein, which harbors five or six PSD-95/Discs large/ZO-1 (PDZ), a guanylate kinase and two WW domains. It interacts with NMDA receptor subunits, neuroligin and beta-catenin, and is involved in the accumulation of neuroligin at excitatory synapses. In this study, w...

journal_title：Journal of neurochemistry

authors： Sumita K,Sato Y,Iida J,Kawata A,Hamano M,Hirabayashi S,Ohno K,Peles E,Hata Y

更新日期：2007-01-01 00:00:00

abstract：:Using optical imaging of retinal ganglion cell (RGC) calcium dynamics in living intact retinal wholemount preparations, we tested whether RGCs in an experimental rat glaucoma model were more sensitive to exogenously applied glutamate as a result of deficient glutamate clearance mechanisms. In contrast to post-natal ra...

journal_title：Journal of neurochemistry

authors： Hartwick AT,Zhang X,Chauhan BC,Baldridge WH

更新日期：2005-08-01 00:00:00

abstract：:Extracellular adenosine is transported into chromaffin cells by a high-affinity transport system. The action of adenosine receptor ligands was studied in this cellular model. 5'-(N-Ethylcarboxamido)adenosine (NECA), an agonist of A2 receptors, activated adenosine transport. Km values for adenosine were 4.6 +/- 1.0 (n ...

journal_title：Journal of neurochemistry

authors： Delicado EG,Rodrigues A,Sen RP,Sebastiao AM,Ribeiro JA,Miras-Portugal MT

更新日期：1990-06-01 00:00:00

abstract：:The carboxyl methylation of secretory proteins in vivo was investigated in bovine adrenal medullary cells in culture. Chromogranin A, the major intragranular secretory protein in adrenal medullary cells, and other secretory proteins were found to be carboxyl-methylated within secretory vesicles. The in vivo labeling p...

journal_title：Journal of neurochemistry

authors： Nguyen MH,Harbour D,Gagnon C

更新日期：1987-07-01 00:00:00

abstract：:In vertebrates and some invertebrates, odorant molecules bind to G protein-coupled receptors on olfactory receptor neurons (ORNs) to initiate signal transduction. Phosphoinositide 3-kinase (PI3K) activity has been implicated physiologically in olfactory signal transduction, suggesting a potential role for a G protein-...

journal_title：Journal of neurochemistry

authors： Corey EA,Bobkov Y,Pezier A,Ache BW

更新日期：2010-04-01 00:00:00

abstract：:To examine whether the concentration gradient of glutamine (Gln) drives concentrative Na(+)-independent uptake of neutral amino acids (NAA) in mouse cerebral astrocytes, uptake was compared in "Gln-depleted" and "Gln-replete" cultures. Uptake (30 min in Na(+)-free buffer) of histidine, kynurenine, leucine, tyrosine, a...

journal_title：Journal of neurochemistry

authors： Brookes N

更新日期：1992-07-01 00:00:00

abstract：:The interaction of triethyltin (TET) and trimethyltin (TMT) with rat brain astrocytes in vitro was investigated. Both compounds are highly neurotoxic after in vivo application, cause neurobehavioral changes, and elicit neuronal and glial responses in the CNS. In this study, 5-week-old cultures were exposed to TMT or T...

journal_title：Journal of neurochemistry

authors： Richter-Landsberg C,Besser A

更新日期：1994-12-01 00:00:00

abstract：:Juvenile neuronal ceroid lipofuscinosis (Batten disease) is a neurodegenerative disorder caused by mutation in CLN3. Defective autophagy and concomitant accumulation of autofluorescence enriched with mitochondrial ATP synthase subunit c were previously discovered in Cln3 mutant knock-in mice. In this study, we show th...

journal_title：Journal of neurochemistry

authors： Chang JW,Choi H,Cotman SL,Jung YK

更新日期：2011-02-01 00:00:00

abstract：:Levels of dopamine (DA), 3,4-dihydroxyphenylacetic acid (DOPAC), homovanillic acid (HVA), noradrenaline (NA), 3-methoxy-4-hydroxyphenylglycol (MHPG), and 5-hydroxyindoleacetic acid (5-HIAA) in the CSF of patients with Huntington's disease (HD) were measured by HPLC. CSF DA, DOPAC, and MHPG levels were found to be incr...

journal_title：Journal of neurochemistry

authors： Garrett MC,Soares-da-Silva P

更新日期：1992-01-01 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：:We investigated the mechanism of increases in cyclic GMP levels in bovine superior cervical ganglion (SCG) in response to muscarinic receptor stimulation. Acetylcholine increased cyclic GMP levels in SCG. This increase was inhibited by NG-methyl-L-arginine (NMA), and the inhibition was reversed by L-arginine. Soluble ...

journal_title：Journal of neurochemistry

authors： Sheng H,Gagne GD,Matsumoto T,Miller MF,Förstermann U,Murad F

更新日期：1993-09-01 00:00:00

abstract：:A method for rapid, automated (less than 5 min), and sensitive (detection limit 50 fmol/10 microliter) determination of gamma-aminobutyric acid (GABA) is described. The method is based on precolumn derivatization with o-phthaldialdehyde/t-butylthiol reagent and separation by reverse-phase HPLC with electrochemical det...

journal_title：Journal of neurochemistry

authors： Kehr J,Ungerstedt U

更新日期：1988-10-01 00:00:00

abstract：:This study attempts to determine if projections ascending from the guinea pig cochlear nucleus (CN) could be glutamatergic and/or aspartatergic. Multiple radio frequency lesions were made to ablate the right CN. The ablation was verified histologically. To identify the principal targets of CN efferents, silver impregn...

journal_title：Journal of neurochemistry

authors： Suneja SK,Benson CG,Gross J,Potashner SJ

更新日期：1995-01-01 00:00:00

abstract：:We have shown that following heat shock (42.5 degree C for 30 min), mouse-derived C1300 N2A neuroblastoma cells contain increased levels of mRNA coding for the inducible form of heat shock protein 70 and for ubiquitin. Incubation of C1300 cells with iron also induces an elevation in content of mRNAs coding for the sam...

journal_title：Journal of neurochemistry

authors： Uney JB,Anderton BH,Thomas SM

更新日期：1993-02-01 00:00:00

abstract：:Interleukin (IL)-2, initially discovered for its mitogenic activity on T cells, also acts on monocytes, resulting in the activation of cytokine production, superoxide production, and tumoricidal activity. Because severe brain damage was observed in IL-2-transgenic mice, this cytokine may have some influence(s) on the ...

journal_title：Journal of neurochemistry

authors： Sawada M,Suzumura A,Marunouchi T

更新日期：1995-05-01 00:00:00

abstract：:A central role of iron in the pathogenesis of Parkinson's disease (PD), due to its increase in substantia nigra pars compacta dopaminergic neurons and reactive microglia and its capacity to enhance production of toxic reactive oxygen radicals, has been discussed for many years. Recent transcranial ultrasound findings ...

journal_title：Journal of neurochemistry

authors： Berg D,Gerlach M,Youdim MB,Double KL,Zecca L,Riederer P,Becker G

更新日期：2001-10-01 00:00:00

abstract：:The determinants of charge selectivity of the Cys-loop family of ligand-gated ion channels have been studied for more than a decade. The investigations have mainly covered homomeric receptors e.g. the nicotinic acetylcholine receptor alpha7, the glycine receptor alpha1 and the serotonin receptor 5-HT(3A). Only recentl...

journal_title：Journal of neurochemistry

authors： Jensen ML,Schousboe A,Ahring PK

更新日期：2005-01-01 00:00:00

abstract：:Lysophosphatidic acid (LPA) is a potent lipid biomediator that is likely to have diverse roles in the brain. Thus, LPA-induced events in astrocytes were defined. As little as 1 nM LPA induced a rapid increase in the concentration of intracellular free calcium ([Ca2+]i) in astrocytes from neonatal rat brains. This incr...

journal_title：Journal of neurochemistry

authors： Keller JN,Steiner MR,Holtsberg FW,Mattson MP,Steiner SM

更新日期：1997-09-01 00:00:00

abstract：:Galactosyltransferase activities were examined in the cerebellum, cerebral cortex, and brain stem of reeler and wild-type mice. Galactosyltransferase assays were optimal for all required substrates, linear with incubation time, and proportional to protein concentration. In brain areas affected by the reeler mutation (...

journal_title：Journal of neurochemistry

authors： Shur BD

更新日期：1982-07-01 00:00:00

abstract：:A non-invasive (13)C magnetic resonance spectroscopy (MRS) technique is described for the determination of the N-acetyl-L-aspartate (NAA) synthesis rate, V(NAA), in the human brain in vivo. In controls, the mean V(NAA) was 9.2 +/- 3.9 nmol/min/g. In Canavan disease, where [NAA] is increased (p < 0.001) and [aspartate]...

journal_title：Journal of neurochemistry

authors： Moreno A,Ross BD,Blüml S

更新日期：2001-04-01 00:00:00

abstract：:In the epididymal portion of rat vas deferens, facilitation of noradrenaline release mediated by adenosine A2A receptors, but not that mediated by beta2-adrenoceptors or by direct activation of adenylyl cyclase, was attenuated by blockade of alpha2-adrenoceptors and abolished by simultaneous blockade of alpha2-adrenoc...

journal_title：Journal of neurochemistry

authors： Queiroz G,Talaia C,Gonçalves J

更新日期：2003-05-01 00:00:00

abstract：:The Ret receptor tyrosine kinase is the common signaling receptor for the glial cell line-derived neurotrophic factor (GDNF) family ligands. The Met918Thr mutation leads to constitutive activation of Ret and is responsible for dominantly inherited cancer syndrome MEN2B. Previously, we found that the mice carrying the ...

journal_title：Journal of neurochemistry

authors： Mijatovic J,Patrikainen O,Yavich L,Airavaara M,Ahtee L,Saarma M,Piepponen TP

更新日期：2008-06-01 00:00:00

abstract：:The separation of 38 hypophyseal or hypothalamic peptides and proteins by reversed-phase HPLC is described. The efficacy of several supports is discussed: large-pore reversed-phase silica supports turned out to be most effective in the separation of neuropeptides and proteins. The use of high sodium phosphate and phos...

journal_title：Journal of neurochemistry

authors： Richter WO,Schwandt P

更新日期：1985-06-01 00:00:00

abstract：:Neurofilament (NF) proteins are distributed in a diminishing proximodistal gradient along rat sciatic nerve when compared with total noncollagen or other proteins in nerve. About a twofold decline of NF proteins can be detected by quantitating nerve proteins that have been separated by gel electrophoresis. A similar d...

journal_title：Journal of neurochemistry

authors： Schlaepfer WW,Bruce J

更新日期：1990-08-01 00:00:00

abstract：:Protein biosynthesis in the retina and fast axonal transport along the optic pathway were studied in rabbits in which diabetes had been experimentally induced. Retinal protein biosynthesis and axonal transport were significantly reduced in the diabetic rabbits, and the reduction was correlated to the severity of the d...

journal_title：Journal of neurochemistry

authors： Chihara E

更新日期：1981-07-01 00:00:00