Axon targeting of the alpha 7 nicotinic receptor in developing hippocampal neurons by Gprin1 regulates growth.

abstract：:Copper/zinc-superoxide dismutase (CuZn-SOD) transgenic mice overexpress the gene for human CuZn-SOD. To assess the effects of the overexpression of CuZn-SOD on the brain scavenging systems, we have measured the activities of manganese-SOD (Mn-SOD), catalase, and glutathione peroxidase (GSH-Px) in various regions of th...

journal_title：Journal of neurochemistry

authors： Przedborski S,Jackson-Lewis V,Kostic V,Carlson E,Epstein CJ,Cadet JL

更新日期：1992-05-01 00:00:00

abstract：:Opiate abuse alters the progression of human immunodeficiency virus and may increase the risk of neuroAIDS. As neuroAIDS is associated with altered microglial reactivity, the combined effects of human immunodeficiency virus-Tat and morphine were determined in cultured microglia. Specifically, experiments determined th...

journal_title：Journal of neurochemistry

authors： Turchan-Cholewo J,Dimayuga FO,Gupta S,Keller JN,Knapp PE,Hauser KF,Bruce-Keller AJ

更新日期：2009-01-01 00:00:00

abstract：:Transforming growth factor-beta1 (TGF-beta1) has central functions in development, tissue maintenance, and repair and has been implicated in major diseases. We discovered that TGF-beta1 contains several amphipathic helices and hydrophobic domains similar to apolipoprotein E (apoE), a protein involved in lipoprotein me...

journal_title：Journal of neurochemistry

authors： Tesseur I,Zhang H,Brecht W,Corn J,Gong JS,Yanagisawa K,Michikawa M,Weisgraber K,Huang Y,Wyss-Coray T

更新日期：2009-08-01 00:00:00

abstract：:Exposure to excessive levels of light induces photoreceptor apoptosis and can be a causative factor in age-related macular degeneration (AMD). However, the cellular events that mediate this apoptotic response are poorly understood. Here, we investigated the roles of endoplasmic reticulum (ER) stress in light-induced c...

journal_title：Journal of neurochemistry

authors： Nakanishi T,Shimazawa M,Sugitani S,Kudo T,Imai S,Inokuchi Y,Tsuruma K,Hara H

更新日期：2013-04-01 00:00:00

abstract：:The presence of the biologically uncommon D-aspartic acid (D-aspartate) in human brain white matter has been previously reported. The earlier study has now been expanded to include D/L-aspartate ratios from 67 normal brains. The data show that the D-aspartate content increases rapidly from 1 year to approximately 35 y...

journal_title：Journal of neurochemistry

authors： Man EH,Fisher GH,Payan IL,Cadilla-Perezrios R,Garcia NM,Chemburkar R,Arends G,Frey WH 2nd

更新日期：1987-02-01 00:00:00

abstract：:The nature of postsynaptic sites involved in the uptake and metabolism of striatal 3,4-dihydroxyphenylethylamine (dopamine, DA) was investigated. The accumulation of [3H]DA (10(-7) M) into slices of rat striatum was found to be greatly dependent (greater than 99%) on the presence of sodium ion in the incubation medium...

journal_title：Journal of neurochemistry

authors： Schoepp DD,Azzaro AJ

更新日期：1985-06-01 00:00:00

abstract：:Ganglioside GM1, tritiated at the level of the long chain base (sphingosine) [( Sph-3H]GM1), sialic acid (N-acetylneuraminic acid) [( NeuAc-3H]GM1), or terminal galactose [( Gal-3H]GM1) was supplied to cerebellar granule cells differentiated in vitro, and its metabolic processing was followed with pulse time. Using [S...

journal_title：Journal of neurochemistry

authors： Riboni L,Tettamanti G

更新日期：1991-12-01 00:00:00

abstract：:Aspartic acid (Asp) undergoes l-isomer-selective efflux transport across the blood-brain barrier (BBB). This transport system appears to play an important role in regulating l- and d-Asp levels in the brain. The purpose of this study was to identify the responsible transporters and elucidate the mechanism for l-isomer...

journal_title：Journal of neurochemistry

authors： Tetsuka K,Takanaga H,Ohtsuki S,Hosoya K,Terasaki T

更新日期：2003-11-01 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：:It is well established that ischemia-induced release of glutamate and the subsequent activation of post-synaptic glutamate receptors are important processes involved in the development of ischemic neuronal damage. Moderate intraischemic hypothermia attenuates glutamate release and confers protection from ischemic dama...

journal_title：Journal of neurochemistry

authors： Busto R,Globus MY,Neary JT,Ginsberg MD

更新日期：1994-09-01 00:00:00

abstract：:White matter infarct induces demyelination and brain dysfunction. We previously reported that transplantation of brain microvascular endothelial cells improved the behavioral outcome and promoted remyelination by increasing the number of oligodendrocyte precursor cells in the rat model of white matter infarct. In this...

journal_title：Journal of neurochemistry

authors： Xu B,Kurachi M,Shimauchi-Ohtaki H,Yoshimoto Y,Ishizaki Y

更新日期：2020-06-01 00:00:00

abstract：:Depletion of glutathione in the substantia nigra is one of the earliest changes observed in Parkinson's disease (PD) and could initiate dopaminergic neuronal degeneration. Nevertheless, experimental glutathione depletion does not result in preferential toxicity to dopaminergic neurons either in vivo or in vitro. Moreo...

journal_title：Journal of neurochemistry

authors： Nakamura K,Wright DA,Wiatr T,Kowlessur D,Milstien S,Lei XG,Kang UJ

更新日期：2000-06-01 00:00:00

abstract：:Cultures of neonatal rat superior cervical ganglia (SCG) were used to test the hypothesis that the cytokines leukemia inhibitory factor (LIF) and ciliary neurotrophic factor (CNTF) control GTP cyclohydrolase I (GTPCH) gene expression and 5,6,7,8-tetrahydrobiopterin (BH4) content as traits of the noradrenergic phenotyp...

journal_title：Journal of neurochemistry

authors： Stegenga SL,Hirayama K,Kapatos G

更新日期：1996-06-01 00:00:00

abstract：:Ischemic stress in the brain induces acute and massive neuronal death in the targeted area, which is followed by a second round of detrimental processes, called delayed neuronal death, in the neighboring areas. To test the hypothesis that transcriptional control plays a role in the pathophysiology of the postischemic ...

journal_title：Journal of neurochemistry

authors： Kim JB,Piao CS,Lee KW,Han PL,Ahn JI,Lee YS,Lee JK

更新日期：2004-06-01 00:00:00

abstract：:The uptake of radioactive biotin has been studied in glial cell cultures from dissociated cerebral hemispheres of newborn rats. We describe saturable kinetics for the biotin uptake at biotin concentrations of less than 60 nM and linear at greater than 60 nM. The uptake appeared temperature sensitive, Na+ independent, ...

journal_title：Journal of neurochemistry

authors： Rodriguez-Pombo P,Ugarte M

更新日期：1992-04-01 00:00:00

abstract：:Neural stem/progenitor cells (NSPCs) are multipotent cells within the embryonic and adult brain that give rise to both neuronal and glial cell lineages. Maintenance of NSPC multipotency is promoted by low oxygen tension, although the metabolic underpinnings of this trait have not been described. In this study, we inve...

journal_title：Journal of neurochemistry

authors： Candelario KM,Shuttleworth CW,Cunningham LA

更新日期：2013-05-01 00:00:00

abstract：:Parkinson disease (PD) is a prevalent neurodegenerative disease, in which the formation of misfolded and aggregated α-synuclein is a key neuropathological hallmark. Recent studies reveal that extracellular vesicles such as exosomes present a potential mechanism for propagation of pathological α-synuclein throughout th...

journal_title：Journal of neurochemistry

authors： Pinnell JR,Cui M,Tieu K

更新日期：2020-12-29 00:00:00

abstract：:In this study, we show specific intracellular responses evoked by the stimulation of astrocytes with the P1,P5-di(adenosine-5')pentaphosphate, Ap5A. The stimulation of astrocytes with micromolar concentrations of the dinucleotide elicited rapid increases in intracellular calcium concentration ([Ca2+]i), showing an EC5...

journal_title：Journal of neurochemistry

authors： Jiménez AI,Castro E,Delicado EG,Miras-Portugal MT

更新日期：2002-10-01 00:00:00

abstract：:The alkylating agent N-ethoxycarbonyl-2-ethoxy-1,2-dihydroquinoline (EEDQ) is a peptide-coupling agent that is being used to inactivate irreversibly alpha 2-adrenoceptors and other receptors. The aim of the present study was to assess the in vitro and in vivo effects of EEDQ on the newly discovered brain I2-imidazolin...

journal_title：Journal of neurochemistry

authors： Miralles A,Ribas C,Olmos G,García-Sevilla JA

更新日期：1993-11-01 00:00:00

abstract：:The neurotransmitter glutamate, once released into the synaptic cleft, is largely recycled by the glutamate-glutamine cycle, which involves uptake into astrocytes, conversion into glutamine and subsequent release of glutamine from astrocytes as a precursor for neuroneal glutamate synthesis. We analysed glutamine efflu...

journal_title：Journal of neurochemistry

authors： Deitmer JW,Bröer A,Bröer S

更新日期：2003-10-01 00:00:00

abstract：:The P2X7 receptor/channel responds to extracellular ATP and is associated with neuronal death and neuroinflammation in spinal cord injury and amyotrophic lateral sclerosis. Whether activation of P2X7 directly causes motor neuron death is unknown. We found that cultured motor neurons isolated from embryonic rat spinal ...

journal_title：Journal of neurochemistry

authors： Gandelman M,Levy M,Cassina P,Barbeito L,Beckman JS

更新日期：2013-08-01 00:00:00

abstract：:3,4-Methylenedioxymethamphetamine (MDMA; 'Ecstasy') is a popular recreational drug used worldwide. This study aimed to determine the effects of this compound on the expression of nerve terminal serotonergic markers in rats. Experiment 1 investigated MDMA-induced changes in levels of the serotonin transporter (SERT) an...

journal_title：Journal of neurochemistry

authors： Biezonski DK,Meyer JS

更新日期：2010-02-01 00:00:00

abstract：:The characteristics of the serotonin (5-HT) output in the dorsal and median raphe nuclei of the rat were studies using in vivo microdialysis. The basal output of 5-HT increased after KCl was added to the perfusion fluid. In contrast, neither the omission of calcium ions nor the addition of 0.5 microM tetrodotoxin affe...

journal_title：Journal of neurochemistry

authors： Adell A,Carceller A,Artigas F

更新日期：1993-05-01 00:00:00

abstract：:Neuroleptics, which are potent dopamine receptor antagonists, are used to treat psychosis. In the striatum, dopamine subtype-2 (D2) receptors interact with high-affinity adenosine subtype-2 (A2a) receptors. To examine the effect of various neuroleptics on the major subtypes of striatal dopamine and adenosine receptors...

journal_title：Journal of neurochemistry

authors： Parsons B,Togasaki DM,Kassir S,Przedborski S

更新日期：1995-11-01 00:00:00

abstract：:Cannabinoid receptors and the endocannabinoids anandamide and 2-arachidonoylglycerol have been suggested to regulate food intake in several animal phyla. Orthologs of the mammalian cannabinoid CB(1) and CB(2) receptors have been identified in fish. We investigated the presence of this endocannabinoid system in the bra...

journal_title：Journal of neurochemistry

authors： Valenti M,Cottone E,Martinez R,De Pedro N,Rubio M,Viveros MP,Franzoni MF,Delgado MJ,Di Marzo V

更新日期：2005-11-01 00:00:00

abstract：:Cationic amino acids are transported from blood into brain by a saturable carrier at the blood-brain barrier (BBB). The transport properties of this carrier were examined in the rat using an in situ brain perfusion technique. Influx into brain via this system was found to be sodium independent and followed Michaelis-M...

journal_title：Journal of neurochemistry

authors： Stoll J,Wadhwani KC,Smith QR

更新日期：1993-05-01 00:00:00

abstract：:Acute seizures and other stimuli that increase neuronal activity cause a rapid induction of the immediate-early genes c-fos and c-jun, also referred to as nuclear proto-oncogenes, in the nervous system. In the present study, rats were administered one or more electroconvulsive seizures (ECS) and the responsiveness of ...

journal_title：Journal of neurochemistry

authors： Winston SM,Hayward MD,Nestler EJ,Duman RS

更新日期：1990-06-01 00:00:00

abstract：:Although the excitatory action of GABA has been shown to activate the expression of brain-derived neurotrophic factor (BDNF), its molecular mechanisms remain unclear. Using cultured rat cortical cells, we here demonstrated that GABA induced Bdnf mRNA expression mainly via L-type voltage-dependent Ca(2+) channels (L-VD...

journal_title：Journal of neurochemistry

authors： Fukuchi M,Kirikoshi Y,Mori A,Eda R,Ihara D,Takasaki I,Tabuchi A,Tsuda M

更新日期：2014-10-01 00:00:00

abstract：:We developed a rapid and sensitive radioimmunohistochemical method for the quantification of tyrosine hydroxylase (TH) at both the anatomical and cellular level. Coronal tissue sections from fresh-frozen rat brains were incubated in the presence of a TH monoclonal antibody. The reaction was revealed with a 35S-labeled...

journal_title：Journal of neurochemistry

authors： Blanchard V,Raisman-Vozari R,Savasta M,Hirsch E,Javoy-Agid F,Feuerstein C,Agid Y

更新日期：1993-08-01 00:00:00

abstract：:We attempted to obtain evidence for the occurrence of oxidant injury following seizure activity by measuring hippocampal F2-isoprostanes (F2-IsoPs), a reliable marker of free radical-induced lipid peroxidation. Formation of F2-IsoPs esterified in hippocampal phospholipids was correlated with hippocampal neuronal loss ...

journal_title：Journal of neurochemistry

authors： Patel M,Liang LP,Roberts LJ 2nd

更新日期：2001-12-01 00:00:00