Ionic requirements for the specific binding of [3H]GBR 12783 to a site associated with the dopamine uptake carrier.

abstract：:Evidence that glucagon-like peptide-1 (GLP-1) (7-36) amide functions as a novel neuropeptide prompted us to study the gene expression of its receptor in rat brain. Northern blot analysis showed transcripts of similar size in RINm5F cells, hypothalamus, and brain-stem. First-strand cDNA was prepared by using RNA from h...

journal_title：Journal of neurochemistry

authors： Alvarez E,Roncero I,Chowen JA,Thorens B,Blázquez E

更新日期：1996-03-01 00:00:00

abstract：:The choline analogue ethylcholine mustard aziridinium (AF64A) is a potent and irreversible inhibitor of choline uptake in brain synaptosomes and is used as a neurotoxin to produce animal models of cholinergic hypofunction. However, previous studies have shown that intraocular administration of AF64A in rats not only r...

journal_title：Journal of neurochemistry

authors： Gómez C,Martín C,Galea E,Estrada C

更新日期：1993-04-01 00:00:00

abstract：:The effect of ascorbic acid on Ca2+ uptake in cultured rat astrocytes was examined in the presence of ouabain and monensin, which are considered to drive the Na(+)-Ca2+ exchanger in the reverse mode. Ascorbic acid at 0.1-1 mM inhibited Na(+)-dependent Ca2+ uptake significantly but not Na(+)-dependent glutamate uptake ...

journal_title：Journal of neurochemistry

authors： Takuma K,Matsuda T,Asano S,Baba A

更新日期：1995-04-01 00:00:00

abstract：:The current study measured extracellular fluid (ECF) levels of excitatory amino acids before and during the onset of thiamine deficiency-induced pathologic lesions. Male Sprague-Dawley rats were treated with daily pyrithiamine (0.25 mg/kg i.p.) and a thiamine-deficient diet (PTD). Microdialysates were simultaneously c...

journal_title：Journal of neurochemistry

authors： Langlais PJ,Zhang SX

更新日期：1993-12-01 00:00:00

abstract：:Acetyltransferase enzymatic activity was detected and measured in homogenates obtained from intact nerve fibers and their saparate cellular components, in the tropical squid Sepioteuthis sepioidea. The levels of acetylcholine synthesis were determined in pooled samples of whole stellar nerve, intact giant nerve fiber,...

journal_title：Journal of neurochemistry

authors： Heumann R,Villegas J,Herzfeld DW

更新日期：1981-02-01 00:00:00

abstract：:Alzheimer's disease (AD) is characterized by amyloid-beta peptide (Abeta) deposition in the brain. Abeta is produced by sequential cleavage of amyloid precursor protein (APP) by beta-secretase (BACE1: beta-site APP-cleaving enzyme 1) and gamma-secretase. Previously, we demonstrated that BACE1 also cleaves beta-galacto...

journal_title：Journal of neurochemistry

authors： Nakagawa K,Kitazume S,Oka R,Maruyama K,Saido TC,Sato Y,Endo T,Hashimoto Y

更新日期：2006-02-01 00:00:00

abstract：:Cytokines and catecholamines are known to constitute a significant portion of the regulatory neuroimmune networks involved in maintaining homeostasis in the central nervous system (CNS). Although we have already reported an increase in norepinephrine (NE) turnover within the locus coeruleus (LC) at 2 and 4 h after the...

journal_title：Journal of neurochemistry

authors： Kaneko YS,Mori K,Nakashima A,Sawada M,Nagatsu I,Ota A

更新日期：2005-07-01 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：:Cricket (Acheta domesticus) terminal abdominal ganglia (TG) contain high concentrations (approximately 2 pmol/mg protein) of muscarinic and nicotinic cholinergic binding sites, based on the capacity of TG to bind specifically the labelled ligands L-[3H]quinuclidinyl benzilate ([3H]QNB) and [125I]alpha-bungarotoxin ([1...

journal_title：Journal of neurochemistry

authors： Meyer MR,Reddy GR

更新日期：1985-10-01 00:00:00

abstract：:Water-soluble iron, and manganese(III) complexes of corroles and porphyrins were examined with regard to their neuroprotective/neurorescue activities by using various neuronal cytotoxic models of oxidative and nitrative stress. The present study demonstrates that the metallocorroles significantly protect human neurobl...

journal_title：Journal of neurochemistry

authors： Kupershmidt L,Okun Z,Amit T,Mandel S,Saltsman I,Mahammed A,Bar-Am O,Gross Z,Youdim MB

更新日期：2010-04-01 00:00:00

abstract：:A naturally occurring point mutation (R231H) within one of the major 3gamma-binding surface (switch II region) on the a subunit of Gs (alpha(s)) has previously been found to disrupt receptor-mediated activation of Gs. The disruption caused by mutating this conserved residue may be a general phenomenon for all a subuni...

journal_title：Journal of neurochemistry

authors： Ho MK,Yung LY,Wong YH

更新日期：1999-11-01 00:00:00

abstract：:This study was undertaken to explore the metabolic fate of acetyl-L-carnitine in rat brain. To measure the flux of carbon atoms into anabolic processes occurring at regional levels, we have injected [1-(14)C]acetyl-L-carnitine into the lateral brain ventricle of conscious rats. After injection of [1-(14)C]acetyl-L-car...

journal_title：Journal of neurochemistry

authors： Ricciolini R,Scalibastri M,Kelleher JK,Carminati P,Calvani M,Arduini A

更新日期：1998-12-01 00:00:00

abstract：:A neurochemical evaluation of beagle dogs with naturally occurring spontaneous generalized convulsive seizures was performed. Amino acid profiles of serum, cerebrospinal fluid (CSF), and biopsied cerebral cortex from epileptic dogs were compared with those from seizure-free siblings. No differences in absolute levels ...

journal_title：Journal of neurochemistry

authors： van Gelder NM,Edmonds HL Jr,Hegreberg GA,Chatburn CC,Clemmons RM,Sylvester DM

更新日期：1980-11-01 00:00:00

abstract：:The present study demonstrates a conditional, agonist-dependent phosphorylation of the mu-opioid receptor (MOR-1) by cyclic AMP-dependent protein kinase (PKA) in membrane preparations of MOR-1-transfected neuroblastoma Neuro2A cells. Opioid agonist-dependent phosphorylation occurs in a time- and concentration-dependen...

journal_title：Journal of neurochemistry

authors： Chakrabarti S,Law PY,Loh HH

更新日期：1998-07-01 00:00:00

abstract：:Adrenal chromaffin cells release neurotransmitters in response to stress and may be involved in conditions such as post-traumatic stress and anxiety disorders. Neurotransmitter release is triggered, in part, by activation of nicotinic acetylcholine receptors (nAChRs). However, despite decades of use as a model system ...

journal_title：Journal of neurochemistry

authors： Hone AJ,Rueda-Ruzafa L,Gordon TJ,Gajewiak J,Christensen S,Dyhring T,Albillos A,McIntosh JM

更新日期：2020-07-01 00:00:00

abstract：:To assess maturation of central serotonin and catecholamine pathways at birth, we measured lumbar CSF homovanillic acid (HVA) and 5-hydroxyindoleacetic acid (5-HIAA), stable acid metabolites of dopamine and serotonin, using HPLC with electrochemical detection. CSFs from 57 neonates (38 premature and 19 at term) and 13...

journal_title：Journal of neurochemistry

authors： Silverstein FS,Donn S,Buchanan K,Johnston MV

更新日期：1984-12-01 00:00:00

abstract：:An alteration in signal transduction systems in Alzheimer's disease (AD) would likely be of pathophysiological significance, because these processes control normal brain functions. Previously, a diminished beta-adrenergic-mediated cyclic AMP response was found in cultured fibroblasts from AD patients. Because cross-ta...

journal_title：Journal of neurochemistry

authors： Huang HM,Lin TA,Sun GY,Gibson GE

更新日期：1995-02-01 00:00:00

abstract：:Mutations in copper/zinc superoxide dismutase (SOD1) account for 10-20% of a familial form of amyotrophic lateral sclerosis (ALS). A common feature of SOD1 mutants is abnormal aggregation of the aberrant SOD1 in neurons and glia. We now report that in ALS transgenic mouse models the constitutively expressed heat shock...

journal_title：Journal of neurochemistry

authors： Liu J,Shinobu LA,Ward CM,Young D,Cleveland DW

更新日期：2005-05-01 00:00:00

abstract：:The benzodiazepines (BZDs) chlordiazepoxide (CDE), diazepam (DZM), and flurazepam (FLM) inhibited receptor binding for thyrotropin-releasing hormone (TRH) with low micromolar potency. In contrast, numerous other categories of drugs were previously shown to be inactive. Scatchard analysis of competition data suggested ...

journal_title：Journal of neurochemistry

authors： Sharif NA,Burt DR

更新日期：1984-09-01 00:00:00

abstract：:Nerve growth factor (NGF) is a trophic and survival factor for cholinergic neurons, and it induces the expression of several genes that are essential for synthesis and storage of acetylcholine (ACh), specifically choline acetyltransferase, vesicular ACh transporter (VAChT), and choline transporter. We have found previ...

journal_title：Journal of neurochemistry

authors： Madziar B,Shah S,Brock M,Burke R,Lopez-Coviella I,Nickel AC,Cakal EB,Blusztajn JK,Berse B

更新日期：2008-12-01 00:00:00

abstract：:Ca2+ uptake into the endoplasmic reticulum (ER) is mediated by Ca2+ ATPase isoforms, which are all selectively inhibited by nanomolar concentrations of thapsigargin. Using ATP/Mg2+-dependent 45Ca2+ transport in rat brain microsomes, tissue sections, and permeabilized cells, as well as Ca2+ imaging in living cells we d...

journal_title：Journal of neurochemistry

authors： Watson WD,Facchina SL,Grimaldi M,Verma A

更新日期：2003-10-01 00:00:00

abstract：:The transcription factor cAMP response element binding protein (CREB), a member of the basic region leucine zipper (bZIP) family of proteins, is the major cAMP response element (CRE) binding. Other bZIP proteins, including CREB2, activating transcription factor 2 (ATF2), or CAAT/enhancer binding protein (C/EBP) have b...

journal_title：Journal of neurochemistry

authors： Thiel G,Al Sarraj J,Vinson C,Stefano L,Bach K

更新日期：2005-01-01 00:00:00

abstract：:Deep hypothermia protects the brain from ischemic damage and is therefore used during major cardiovascular surgeries requiring cardiopulmonary bypass and a period of circulatory arrest. Here, we demonstrated that small ubiquitin-like modifier (SUMO1-3) conjugation is markedly activated in the brain during deep to mode...

journal_title：Journal of neurochemistry

authors： Wang L,Ma Q,Yang W,Mackensen GB,Paschen W

更新日期：2012-11-01 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：:The protein kinases and protein phosphatases that act on tyrosine hydroxylase in vivo have not been established. Bovine adrenal chromaffin cells were permeabilized with digitonin and incubated with [gamma-32P]ATP, in the presence or absence of 10 microM Ca2+, 1 microM cyclic AMP, 1 microM phorbol dibutyrate, or variou...

journal_title：Journal of neurochemistry

authors： Gonçalves CA,Hall A,Sim AT,Bunn SJ,Marley PD,Cheah TB,Dunkley PR

更新日期：1997-12-01 00:00:00

abstract：:Glial cells secrete proinflammatory mediators in the brain in response to exogenous stimuli such as infection and injury. Previously, we documented that systemic maternal lipopolysaccharide (LPS)-exposure at embryonic gestation day 18 causes oligodendrocyte (OL)-injury/hypomyelination in the developing brain which can...

journal_title：Journal of neurochemistry

authors： Paintlia MK,Paintlia AS,Khan M,Singh I,Singh AK

更新日期：2008-05-01 00:00:00

abstract：:The aim of the present study was to explore the possible role of kappa/dynorphin system in the development of tolerance to nicotine antinociception in mice. First, we observed that kappa-opioid receptor (KOP-r) participates in the acute spinal antinociception produced by nicotine (3 and 5 mg/kg, s.c.) since the pre-tr...

journal_title：Journal of neurochemistry

authors： Galeote L,Maldonado R,Berrendero F

更新日期：2008-05-01 00:00:00

abstract：:Ion channels are classically understood to regulate the flux of ions across the plasma membrane in response to a variety of environmental and intracellular cues. Ion channels serve a number of functions in intracellular membranes as well. These channels may be temporarily localized to intracellular membranes as a func...

journal_title：Journal of neurochemistry

authors： Dong XP,Wang X,Xu H

更新日期：2010-04-01 00:00:00

abstract：:Neuromelanin is a dark brown pigment present at high concentrations in dopaminergic neurones of the human substantia nigra (SN). Early electron microscopic examinations of neuromelanin fine structure revealed a significant neutral lipid component; however, the identity of this lipid has remained unknown. Here we show ...

journal_title：Journal of neurochemistry

authors： Fedorow H,Pickford R,Hook JM,Double KL,Halliday GM,Gerlach M,Riederer P,Garner B

更新日期：2005-02-01 00:00:00

abstract：:The c-ret protooncogene encodes Ret, the functional tyrosine kinase receptor for glial cell line-derived neurotrophic factor (GDNF). K-252b, a known protein tyrosine kinase inhibitor, has been shown earlier to inhibit the trophic activity of brain-derived neurotrophic factor on dopaminergic (DAergic) neurons and nerve...

journal_title：Journal of neurochemistry

authors： Pong K,Xu RY,Beck KD,Zhang TJ,Louis JC

更新日期：1997-09-01 00:00:00