Unmasking of LPA1 receptor-mediated migration response to lysophosphatidic acid by interleukin-1β-induced attenuation of Rho signaling pathways in rat astrocytes.

abstract：:Increasing evidence suggests that proteasome inhibition plays a causal role in promoting the neurodegeneration and neuron death observed in multiple disorders, including Alzheimer's disease (AD) and Parkinson's disease (PD). The ability of severe and acute inhibition of proteasome function to induce neuron death and n...

journal_title：Journal of neurochemistry

authors： Ding Q,Dimayuga E,Martin S,Bruce-Keller AJ,Nukala V,Cuervo AM,Keller JN

更新日期：2003-07-01 00:00:00

abstract：:There is ample evidence that both acid (ASMase) and neutral (NSMase) sphingomyelinases play a role in cell death so inhibitors of either enzyme could have significant value as protectors against neurodegeneration. We used a fluorogenic sphingomyelinase substrate, 6-hexadecanoylamino-4-methylumbelliferyl-phosphorylchol...

journal_title：Journal of neurochemistry

authors： Testai FD,Landek MA,Goswami R,Ahmed M,Dawson G

更新日期：2004-05-01 00:00:00

abstract：:Alzheimer's disease is characterized neuropathologically by the presence of neuritic and amyloid plaques, vascular amyloid, and neurofibrillary tangles in specific brain areas. The main constituent of amyloid deposits is amyloid beta protein, a 40-42 amino acid proteolytic product of the amyloid beta-precursor protein...

journal_title：Journal of neurochemistry

authors： Conn KJ,Pietropaolo M,Ju ST,Abraham CR

更新日期：1996-05-01 00:00:00

abstract：:Developmental changes of preprocholecystokinin mRNA (CCK mRNA) and cholecystokinin-like immunoreactivity (CCK-LI) were examined in rat brain regions (frontal cortex, colliculi, hippocampus, striatum, and cerebellum) using RNA dot blot assays with cholecystokinin (CCK) cDNA and radioimmunoassay, respectively. The CCK-L...

journal_title：Journal of neurochemistry

authors： Takeda K,Koshimoto H,Uchiumi F,Haun RS,Dixon JE,Kato T

更新日期：1989-09-01 00:00:00

abstract：:Recently, a tyrosine hydroxylase (TH)-expressing CNS-derived cell line, CAD, was obtained that is capable of undergoing reversible morphological differentiation. The isolation of the CAD line allowed us to ask whether different DNA regulatory elements direct TH transcription when cells are growing and undifferentiated...

journal_title：Journal of neurochemistry

authors： Lazaroff M,Qi Y,Chikaraishi DM

更新日期：1998-07-01 00:00:00

abstract：:An important step in the cascade leading to neuronal cell death is degradation of laminin and other components of the brain extracellular matrix by microglia-derived proteases. Excitotoxic cell death of murine hippocampal neurones in vivo can be prevented by inhibitors of tissue plasminogen activator (tPA) or by inhib...

journal_title：Journal of neurochemistry

authors： Campbell SJ,Finlay M,Clements JM,Wells G,Miller KM,Perry VH,Anthony DC

更新日期：2004-06-01 00:00:00

abstract：:Synapses are often located at great distances from the cell body and so must be capable of transducing signals into both local and distant responses. Although progress has been made in understanding biochemical cascades involved in neuronal death during development of the nervous system and in various neurodegenerativ...

journal_title：Journal of neurochemistry

authors： Duan W,Rangnekar VM,Mattson MP

更新日期：1999-06-01 00:00:00

abstract：:In this study, we examined the molecular and functional characterization of choline uptake into cultured rat cortical astrocytes. Choline uptake into astrocytes showed little dependence on extracellular Na+. Na+-independent choline uptake was saturable and mediated by a single transport system, with an apparent Michae...

journal_title：Journal of neurochemistry

authors： Inazu M,Takeda H,Matsumiya T

更新日期：2005-09-01 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：:Ammonium (NH(4) (+) ) is required to maintain pathways involved in shuttling metabolic precursors between astrocytes and neurones. Under hyperammonaemic conditions, increases in the cellular influx of NH(4) (+) , and accompanying changes in ion concentrations, may contribute to disruptions in metabolism and neurotrans...

journal_title：Journal of neurochemistry

authors： Kelly T,Rose CR

更新日期：2010-12-01 00:00:00

abstract：:Endocannabinoids (eCBs) play key roles in short-term and long-term synaptic plasticity in the corticostriatal circuit. By activating cannabinoid receptors expressed in the central nervous system, eCBs regulate several neural functions and behaviors. The major eCB 2-arachidonoyl-glycerol (2-AG) is particularly importan...

journal_title：Journal of neurochemistry

authors： Socodato R

更新日期：2020-05-01 00:00:00

abstract：:GM1 ganglioside binding to the crude mitochondrial fraction of rat brain and its effect on (Na+, K+)-ATPase were studied, the following results being obtained: (a) the binding process followed a biphasic kinetics with a break at 50 nM-GM1; GM1 at concentrations below the break was stably associated, while over the bre...

journal_title：Journal of neurochemistry

authors： Leon A,Facci L,Toffano G,Sonnino S,Tettamanti G

更新日期：1981-08-01 00:00:00

abstract：:The effect of 6-aminonicotinamide (6AN) treatment on the activities of alternative pathways of glucose metabolism in 20-day-old rat brain was evaluated by measurements of yields of 14CO2 from glucose labeled with 14C on carbons 1, 2, 3 + 4, or 6 and uniformly labeled glucose, and from the incorporation of 14C from spe...

journal_title：Journal of neurochemistry

authors： Hothersall JS,Zubairu S,McLean P,Greenbaum AL

更新日期：1981-12-01 00:00:00

abstract：:The adult brain is a high-glucose and oxygen-dependent organ, with an extremely organized network of cells and large energy-consuming synapses. To reach this level of organization, early stages in development must include an efficient control of cellular events and regulation of intracellular signaling molecules and i...

journal_title：Journal of neurochemistry

authors： de-Souza-Ferreira E,Rios-Neto IM,Martins EL,Galina A

更新日期：2019-06-01 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：:The subunit compositions of the NR1 C2 exon-containing N-methyl-D-aspartate (NMDA) receptors of adult mammalian forebrain were determined by using a combination of immunoaffinity chromatography and immunoprecipitation studies with NMDA receptor subunit-specific antibodies. NMDA receptors were solubilised by sodium deo...

journal_title：Journal of neurochemistry

authors： Chazot PL,Stephenson FA

更新日期：1997-11-01 00:00:00

abstract：:Brain homogenate, cerebral microvessels, and endothelial cells (ECs) were prepared from 15-18-week-old human fetuses and analyzed biochemically for the presence of elements of the cholinergic system [acetylcholinesterase (AChE), choline acetyltransferase (ChAT), and butyrylcholinesterase]. The ECs were cultured, and t...

journal_title：Journal of neurochemistry

authors： Kasa P,Pakaski M,Joó F,Lajtha A

更新日期：1991-06-01 00:00:00

abstract：:The weaver mutant mouse has a genetically determined defect in the nigrostriatal dopaminergic system. The present study was undertaken to test the hypothesis that in the weaver mutant mouse, striatal nerve terminals undergo compensatory changes in response to this deficiency. To test this hypothesis, we studied the ba...

journal_title：Journal of neurochemistry

authors： Simon JR,Yu H,Richter JA,Vasko MR,Ghetti B

更新日期：1991-11-01 00:00:00

abstract：:Regulation of muscarinic acetylcholine receptor concentration by receptor activity in neuron-like NG108-15 hybrid cells is a highly specific process. Receptor levels, monitored by binding of [3H]quinuclidinyl benzilate ([3H]QNB), decreased 50--75% following 24-h incubation of cells with muscarinic agonists, but none o...

journal_title：Journal of neurochemistry

authors： Siman RG,Klein WL

更新日期：1981-11-01 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 activation by endogenous dopamine of the inhibitory 3,4-dihydroxyphenylethylamine (dopamine) receptors modulating the electrically evoked release of [3H]acetylcholine [( 3H]ACh) and [3H]dopamine in rat striatal slices is a function of the concentration of dopamine accumulated in the synaptic cleft during electrica...

journal_title：Journal of neurochemistry

authors： Baud P,Arbilla S,Langer SZ

更新日期：1985-02-01 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：:Mutations within the amyloid-beta (Abeta) domain of the amyloid precursor protein (APP) typically generate hemorrhagic strokes and vascular amyloid angiopathy. In contrast, the Arctic mutation (APP E693G) results in Alzheimer's disease. Little is known about the pathologic mechanisms that result from the Arctic mutati...

journal_title：Journal of neurochemistry

authors： Sahlin C,Lord A,Magnusson K,Englund H,Almeida CG,Greengard P,Nyberg F,Gouras GK,Lannfelt L,Nilsson LN

更新日期：2007-05-01 00:00:00

abstract：:Extralysosomal proteolysis by multicatalytic complexes such as the 26S proteasome produces large amounts of peptides in the cytosol, mitochondria and nuclei of eukaryotic cells, and there is increasing evidence that the resulting free intracellular peptides can modulate specific protein interactions. The demonstration...

journal_title：Journal of neurochemistry

authors： Ferro ES,Hyslop S,Camargo AC

更新日期：2004-11-01 00:00:00

abstract：:We have analyzed brain coated vesicles and synaptic plasma membrane for the presence of the plasma membrane proteolipid protein. Coated vesicles were isolated from calf brain gray matter with a final purification on Sephacryl S-1000 and reisolated twice by chromatography to ensure homogeneity. Fractions were analyzed ...

journal_title：Journal of neurochemistry

authors： Sapirstein VS,Nolan C,Stern R,Ciocci M,Masur SK

更新日期：1988-09-01 00:00:00

abstract：:The nuclear mitochondrial and synaptosomal fractions of rat brain were each found to contain some 25-30% of the total aldehyde dehydrogenase activity. The cytoplasmic fraction had a very low total aldehyde dehydrogenase activity. There were differences in the distribution of the activity when different aldehydes were ...

journal_title：Journal of neurochemistry

authors： Koivula T,Turner AJ,Huttunen M,Koivusalo M

更新日期：1981-06-01 00:00:00

abstract：:Inflammatory cell signaling leading to transcriptional activation is primarily mediated by signal transduction via mitogen-activated protein kinase (MAPK) and NFkappaB pathways. A common upstream kinase that signals the activation of these pathways is TGFbeta-activated kinase 1 (TAK1), which itself becomes activated i...

journal_title：Journal of neurochemistry

authors： Bhat NR,Shen Q,Fan F

更新日期：2003-10-01 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：:Signaling by muscarinic agonists is thought to result from the activation of cell surface acetylcholine receptors (mAChRs) that transmit extracellular signals to intracellular systems. In N1E-115 neuroblastoma cells, we detected both plasma membrane and intracellular M(1) -mAChRs using both biochemical and pharmacolog...

journal_title：Journal of neurochemistry

authors： Uwada J,Anisuzzaman AS,Nishimune A,Yoshiki H,Muramatsu I

更新日期：2011-09-01 00:00:00

abstract：:We examined changes in biosynthetic capacity of sciatic nerve during the early stages of Wallerian degeneration, utilizing a model that permits exclusion of nonresident cells from degenerating nerve. Sciatic nerve segments were placed in either 5-microns pore (allowing infiltration of nonresident cells) or 0.22-micron...

journal_title：Journal of neurochemistry

authors： White FV,Toews AD,Goodrum JF,Novicki DL,Bouldin TW,Morell P

更新日期：1989-04-01 00:00:00