Proline mutations induce negative-dosage effects on uptake velocity of the dopamine transporter.

abstract：:The glycogen content of primary cultured astrocytes was approximately doubled by incubation with 1 mM L-glutamate or L-aspartate. Other amino acids and excitatory neurotransmitters were without effect. The increase in glycogen level was not blocked by the glutamate receptor antagonist kynurenic acid but was completely...

journal_title：Journal of neurochemistry

authors： Swanson RA,Yu AC,Chan PH,Sharp FR

更新日期：1990-02-01 00:00:00

abstract：:We have introduced a series of point mutations into the human opioid receptor-like (ORL1) receptor and characterized them for their ability to constitutively activate G protein-coupled receptor signalling pathways. Among the 12 mutants generated, mutation at Asn133 (N133W) gave increased basal signalling through three...

journal_title：Journal of neurochemistry

authors： Kam KW,New DC,Wong YH

更新日期：2002-12-01 00:00:00

abstract：:The effect of nociceptin (an endogenous ligand of the ORL1 receptor) on mesolimbic dopamine release and simultaneous horizontal locomotion was studied in freely moving mice undergoing microdialysis of the nucleus accumbens. Intracerebroventricular (i.c.v.) administration of nociceptin (7 nmol) induced a long-lasting s...

journal_title：Journal of neurochemistry

authors： Koizumi M,Midorikawa N,Takeshima H,Murphy NP

更新日期：2004-04-01 00:00:00

abstract：:Tau, a microtubule binding protein, is not only a major component of neurofibrillary tangles in Alzheimer's disease, but also a causative gene for hereditary frontotemporal dementia and parkinsonism linked to chromosome 17 (FTDP-17). We show here that an FTDP-17 tau mutation (V337M) in SH-SY5Y cells reduces microtubul...

journal_title：Journal of neurochemistry

authors： Furukawa K,Wang Y,Yao PJ,Fu W,Mattson MP,Itoyama Y,Onodera H,D'Souza I,Poorkaj PH,Bird TD,Schellenberg GD

更新日期：2003-10-01 00:00:00

abstract：:The kappa-opioid receptor agonists including U-50,488H and dynorphin A (1-17) in ranges of 0.1-100 nM inhibited the hydrolysis of GTP to GDP (P(i) release) inherent in GTP-binding proteins (G proteins) in guinea pig cerebellar membranes. U-50,488H inhibited only high-affinity GTPase activity, not low-affinity activity...

journal_title：Journal of neurochemistry

authors： Ueda H,Misawa H,Fukushima N,Katada T,Ui M,Satoh M

更新日期：1996-02-01 00:00:00

abstract：:We investigated [(18)F]fluoroethyl-harmol ([(18)F]FEH) as a reversible and selective ligand for positron emission tomography (PET) studies of monoamine oxidase A (MAO-A). Binding of [(18)F]FEH in rat brain cryostat sections indicated high affinity (KD = 3 nM), and density (Bmax; 600 pmol/g). The plasma free fraction w...

journal_title：Journal of neurochemistry

authors： Maschauer S,Haller A,Riss PJ,Kuwert T,Prante O,Cumming P

更新日期：2015-12-01 00:00:00

abstract：:Properties so far studied of the 125-kDa 14C-arginylated protein from rat brain show remarkable similarities with those of the STOP (stable tubule only polypeptide) protein. On sodium dodecyl sulfate-polyacrylamide gel electrophoresis the 125-kDa 14C-arginylated protein moves to the same position as the STOP protein. ...

journal_title：Journal of neurochemistry

authors： Bongiovanni G,Barra HS,Hallak ME

更新日期：1994-12-01 00:00:00

abstract：:Head injury was induced in rats by a weight drop device, falling over the left hemisphere. The rats were killed at 15 min, 4 h, and 24 h after injury. Cortical slices were taken from the injured zone, from the corresponding region of the contralateral hemisphere, and from the frontal lobe of both hemispheres. These co...

journal_title：Journal of neurochemistry

authors： Shohami E,Shapira Y,Yadid G,Reisfeld N,Yedgar S

更新日期：1989-11-01 00:00:00

abstract：:We have previously shown that prolonged exposure to neurotrophins induces oxidative neuronal death. In the present study, we further examined the cascades involved in neurotrophin-4/5 (NT-4/5)-induced neuronal death. Exposure of mature cortical cultures for 48 h to NT-4/5 induced neuronal death through TrkB activation...

journal_title：Journal of neurochemistry

authors： Choi SY,Hwang JJ,Koh JY

更新日期：2004-02-01 00:00:00

abstract：:The potential anxiolytic effects of a novel positive allosteric modulator (PAM) of the metabotropic glutamate receptor subgroup 2 (mGluR₂) were investigated using a self-referencing recording technique with enzyme-based microelectrode arrays (MEAs) that reliably measures tonic and phasic changes in extracellular gluta...

journal_title：Journal of neurochemistry

authors： Hascup ER,Hascup KN,Pomerleau F,Huettl P,Hajos-Korcsok E,Kehr J,Gerhardt GA

更新日期：2012-08-01 00:00:00

abstract：:Quinolinic acid (QUIN), an excitotoxic compound present in the mammalian CNS and periphery, has been hypothetically linked to human neurodegenerative disorders such as Huntington's disease and epilepsy. Quinolinic acid phosphoribosyltransferase (QPRT), the catabolic enzyme of QUIN, is found in the CNS and peripheral o...

journal_title：Journal of neurochemistry

authors： Foster AC,Schwarcz R

更新日期：1985-07-01 00:00:00

abstract：:An aminopeptidase with specificity directed toward peptides with acidic N-terminal amino acid residues has been isolated from mouse brain cytosol. Purification by ion-exchange chromatography and gel filtration resulted in an enzyme that hydrolyzed aspartyl-phenylalanine methyl ester at a rate of 13.2 mumols/min/mg pro...

journal_title：Journal of neurochemistry

authors： Kelly JA,Neidle EL,Neidle A

更新日期：1983-06-01 00:00:00

abstract：:The kinetic properties of soluble tyrosine hydroxylase from rat striatum and the activation of the enzyme by the polyanion heparin were assessed as a function of the monovalent cations K+, Na+, tetramethylammonium (TMA+), and Tris. Substitution of K+ or Na+ for TMA+ or Tris can alter the kinetic properties of tyrosine...

journal_title：Journal of neurochemistry

authors： Kuczenski R

更新日期：1981-09-01 00:00:00

abstract：:Tissue plasminogen activator (tPA) is necessary for hippocampal long-term potentiation. Synaptically released zinc also contributes to long-term potentiation, especially in the hippocampal CA3 region. Using cortical cultures, we examined whether zinc increased the concentration and/or activity of tPA. Two hours after ...

journal_title：Journal of neurochemistry

authors： Hwang IY,Sun ES,An JH,Im H,Lee SH,Lee JY,Han PL,Koh JY,Kim YH

更新日期：2011-09-01 00:00:00

abstract：:Abstract The dualistic activities of the amyloid beta (Abeta) peptide as a pro-oxidant and ubiquitous constituent of amyloid deposits in Alzheimer's disease plaques and as an antioxidant of purported physiological function has been suggested but the mechanisms are far from being understood. In this report we measure s...

journal_title：Journal of neurochemistry

authors： Kuperstein F,Brand A,Yavin E

更新日期：2004-11-01 00:00:00

abstract：:Ligand binding to the cannabinoid receptor of brain membranes has been characterized using [3H]CP 55,940 and the Multiscreen Filtration System. Binding of [3H]CP 55,940 is saturable and reaches equilibrium by 45 min at room temperature. At a concentration of 10 micrograms of membrane protein/well, the KD for [3H]CP 55...

journal_title：Journal of neurochemistry

authors： Hillard CJ,Edgemond WS,Campbell WB

更新日期：1995-02-01 00:00:00

abstract：:Gs alpha, the GTP-binding protein that mediates receptor stimulation of adenylyl cyclase, exists in small (Gs alpha-S) and large (Gs alpha-L) molecular forms. Previous work has established that these Gs alpha isoforms are products of alternatively spliced Gs alpha pre-mRNA. The present work examined the splicing patte...

journal_title：Journal of neurochemistry

authors： Granneman JG,Bannon MJ

更新日期：1991-09-01 00:00:00

abstract：:Most recent studies aimed at defining the cellular and molecular mechanisms of Pavlovian fear conditioning have focused on protein kinase signaling pathways and the transcription factor cAMP-response element binding protein (CREB) that promote fear memory consolidation in the lateral nucleus of the amygdala (LA). Desp...

journal_title：Journal of neurochemistry

authors： Ploski JE,Park KW,Ping J,Monsey MS,Schafe GE

更新日期：2010-02-01 00:00:00

abstract：:Microtubule-associated proteins (MAPs) were phosphorylated by a Ca2+- and calmodulin-dependent protein kinase from rat brain cytosol. The maximal amount of phosphate incorporated into MAPs was 25 nmol of phosphate/mg protein. A Ka value of the enzyme for calmodulin was 57.0 nM, with MAPs as substrates. Among MAPs, MAP...

journal_title：Journal of neurochemistry

authors： Yamamoto H,Fukunaga K,Tanaka E,Miyamoto E

更新日期：1983-10-01 00:00:00

abstract：:Adenylate cyclase in homogenates of Drosophila melanogaster is heterogeneous with respect to its affinity toward MgATP and its subcellular distribution. Km values for MgATP range, under similar assay conditions, from approximately 10(-5) M to approximately 10(-3) M, depending on the body region and on the subcellular ...

journal_title：Journal of neurochemistry

authors： Dudai Y,Zvi S

更新日期：1985-08-01 00:00:00

abstract：:PCR was used to isolate identical partial cDNA clones encoding a serotonin 5-HT3 receptor subunit from rat nodose and superior cervical ganglia. The amino acid sequence predicted from these clones, extending from the putative transmembrane domain I to the stop codon, demonstrated a 93% homology with the 5-HT3 receptor...

journal_title：Journal of neurochemistry

authors： Miquel MC,Emerit MB,Gingrich JA,Nosjean A,Hamon M,el Mestikawy S

更新日期：1995-08-01 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：:GD3 synthase (Sial-T2) is a key enzyme of ganglioside synthesis that, in concert with GM2 synthase (GalNAc-T), regulates the ratio of a- and b-pathway gangliosides. In this work, we study the sub-Golgi location of an epitope-tagged version of chicken Sial-T2 transfected to CHO-K1 cells. The expressed protein was enzym...

journal_title：Journal of neurochemistry

authors： Daniotti JL,Martina JA,Giraudo CG,Zurita AR,Maccioni HJ

更新日期：2000-04-01 00:00:00

abstract：:Expression of the Ca(2+)-dependent phospholipids binding protein annexin A2 (ANX2) in the brain is thought to be largely associated with brain pathological conditions such as tumor, inflammation, and neurodegeneration. The recent findings that ANX2 heterotetramer is involved in learning and neuronal activities necessi...

journal_title：Journal of neurochemistry

authors： Zhao WQ,Lu B

更新日期：2007-03-01 00:00:00

abstract：:Ten-minute incubation with 1 mM S-nitroso-L-cysteine (NO-CYS), a nitric oxide (NO) generator, induced a 3.5-fold increase in the basal dopamine (DA) efflux from rat striatal slices. Reduced hemoglobin (100 microM), a NO scavenger, blocked this response. Nomifensine (10 microM), an inhibitor of high-affinity DA transpo...

journal_title：Journal of neurochemistry

authors： Lonart G,Johnson KM

更新日期：1994-12-01 00:00:00

abstract：:Rat and mouse CNS neurofilament proteins (NFPs) were characterized and compared, in terms of electrophoretic properties on polyacrylamide gels and by peptide mapping, with one another and with other co-purifying lower-molecular-weight CNS proteins, including alpha and beta tubulin. NFPs were partially purified by modi...

journal_title：Journal of neurochemistry

authors： Brown BA,Nixon RA,Strocchi P,Marotta CA

更新日期：1981-01-01 00:00:00

abstract：:For more than three decades, the venom of the black widow spider and its principal active components, latrotoxins, have been used to induce release of neurotransmitters and hormones and to study the mechanisms of exocytosis. Given the complex nature of alpha--latrotoxin (alpha-LTX) actions, this research has been cont...

journal_title：Journal of neurochemistry

authors： Silva JP,Suckling J,Ushkaryov Y

更新日期：2009-10-01 00:00:00

abstract：:Extraction of rat brain membrane-associated protein kinase C with high specific activity was obtained by applying benzyl alcohol (a membrane fluidizer), EDTA, and high hydrostatic pressures. Approximately 50% of total brain-associated activity was extracted from membranes. The pressure-extracted activity had an eightf...

journal_title：Journal of neurochemistry

authors： Lester DS

更新日期：1989-06-01 00:00:00

abstract：:The formation and refinement of synaptic connections are key steps of neural development to establish elaborate brain networks. To investigate the functional role of protein tyrosine phosphatase (PTP) σ, we employed an olfactory sensory neuron (OSN)-specific gene manipulation system in combination with in vivo imaging...

journal_title：Journal of neurochemistry

authors： Chen X,Yoshida T,Sagara H,Mikami Y,Mishina M

更新日期：2011-11-01 00:00:00

abstract：:P(0), the major protein of PNS myelin, is considered to play a critical role in the compaction and stabilization of myelin lamellae. The protein undergoes extensive posttranslational modifications, including phosphorylation at multiple serine moieties in the cytoplasmic region. Recently, we demonstrated that P(0) is p...

journal_title：Journal of neurochemistry

authors： Iyer S,Bianchi R,Eichberg J

更新日期：2000-07-01 00:00:00