Human brain beta A4 amyloid protein precursor of Alzheimer's disease: purification and partial characterization.

abstract：:Experimental evidence suggests that magnesium plays a role in the pathophysiological sequelae of brain injury. The present study examined the variation of blood ionized and total magnesium, as well as potassium, sodium, and ionized calcium, after experimental fluid percussion brain injury in rats. Blood ionized magnes...

journal_title：Journal of neurochemistry

authors： Bareyre FM,Saatman KE,Helfaer MA,Sinson G,Weisser JD,Brown AL,McIntosh TK

更新日期：1999-07-01 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：:The ontogeny of muscarinic receptors was studied in human fetal striatum, brainstem, and cerebellum to investigate general principles of synaptogenesis as well as the physiological balance between various chemical synapses during development in a given region of the brain. [3H]Quinuclidinyl benzilate ([3H]QNB) binding...

journal_title：Journal of neurochemistry

authors： Ravikumar BV,Sastry PS

更新日期：1985-12-01 00:00:00

abstract：:Neurodegenerative diseases such as Alzheimer's disease (AD) are characterized by an abnormal aggregation of misfolded beta-sheet rich proteins such as β-amyloid (Aβ). Various ubiquitously expressed molecular chaperones control the correct folding of cellular proteins and prevent the accumulation of harmful species. We...

journal_title：Journal of neurochemistry

authors： Hoshino A,Helwig M,Rezaei S,Berridge C,Eriksen JL,Lindberg I

更新日期：2014-02-01 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：:Using a whole-cell binding procedure with long incubations at low temperature and subsequent acid stripping, we have characterized an atypical endothelin (ET) receptor in primary rat cortical astrocyte cultures. We found the following: (a) no competition for 125I-ET-1 binding by the ET(A) antagonists BQ-123 and LU 135...

journal_title：Journal of neurochemistry

authors： Jensen N,Hasselblatt M,Sirén AL,Schilling L,Schmidt M,Ehrenreich H

更新日期：1998-02-01 00:00:00

abstract：:Neurofibromatosis type 1 (NF1) is an autosomal dominant genetic condition caused by dominant loss-of-function mutations of the tumor suppressor gene NF1 that encodes neurofibromin, a negative regulator of RAS activity. Mutation analysis of NF1 located at 17q11.2 has been hampered by the large size of the gene, the hig...

journal_title：Journal of neurochemistry

authors： Esposito T,Piluso G,Saracino D,Uccello R,Schettino C,Dato C,Capaldo G,Giugliano T,Varriale B,Paolisso G,Di Iorio G,Melone MA

更新日期：2015-12-01 00:00:00

abstract：:Intraperitoneal injection of the cyclic imine 1-piperideine in mice resulted in measurable quantities of 5-aminopentanoic acid in brain. 5-Aminopentanoic acid is a methylene homologue of gamma-aminobutyric acid (GABA) that is a weak GABA agonist. 5-Aminopentanoic acid formed in the periphery was ruled out as the sourc...

journal_title：Journal of neurochemistry

authors： Callery PS,Geelhaar LA

更新日期：1985-09-01 00:00:00

abstract：:It has been reported that caffeine (1.5-30 mg/kg i.p.) as well as specific A1 (DPCPX, 8-cyclopentyl-1,3-dipropylxanthine) receptor antagonists fail to increase extracellular dopamine (DA) in the shell of the nucleus accumbens (NAc). However, it has also been reported that caffeine (10 and 30 mg/kg i.p.) and the A1 ant...

journal_title：Journal of neurochemistry

authors： De Luca MA,Bassareo V,Bauer A,Di Chiara G

更新日期：2007-10-01 00:00:00

abstract：:Previous evidence has suggested that brain catecholamine levels are important in the regulation of central angiotensin II receptors. In the present study, the effects of norepinephrine and 3,4-dihydroxyphenylethylamine (dopamine) on angiotensin II receptor regulation in neuronal cultures from rat hypothalamus and brai...

journal_title：Journal of neurochemistry

authors： Sumners C,Watkins LL,Raizada MK

更新日期：1986-10-01 00:00:00

abstract：:The suitability of isolated central nerve myelin preparations for probe labelling studies was assessed and the accessibility of galactosyl ceramides in myelin to galactose oxidase and sodium periodate was determined. Isolated myelin preparations present a uniform external membrane surface to added probes because lamel...

journal_title：Journal of neurochemistry

authors： Linington C,Rumsby MG

更新日期：1980-10-01 00:00:00

abstract：:The primary structure of the second transmembrane (M2) segment of resistant to dieldrin (RDL), an ionotropic γ-aminobutyric acid receptor (GABAR) subunit, and the structure-function relationships in RDL are well conserved among insect species. An amino acid substitution at the 2' position in the M2 segment (Ala to Ser...

journal_title：Journal of neurochemistry

authors： Kobayashi T,Hiragaki S,Suzuki T,Ochiai N,Canlas LJ,Tufail M,Hayashi N,Mohamed AAM,Dekeyser MA,Matsuda K,Takeda M

更新日期：2020-12-01 00:00:00

abstract：:Multiple molecular defects trigger cell death in amyotrophic lateral sclerosis (ALS). Among these, altered transcriptional activity may perturb many cellular functions, leading to a cascade of secondary pathological effects. We showed that pharmacological treatment, using the histone deacetylase inhibitor sodium pheny...

journal_title：Journal of neurochemistry

authors： Ryu H,Smith K,Camelo SI,Carreras I,Lee J,Iglesias AH,Dangond F,Cormier KA,Cudkowicz ME,Brown RH Jr,Ferrante RJ

更新日期：2005-06-01 00:00:00

abstract：:The effect of inhibition and down-regulation of protein kinase C (PKC) subtypes alpha, epsilon, and zeta on noradrenaline (NA) secretion from human SH-SY5Y neuroblastoma cells was investigated. The PKC inhibitor Ro 31-7549 inhibited carbachol-evoked NA release (IC(50) 0.6 microM) but not 100 mM (K+)-evoked release. In...

journal_title：Journal of neurochemistry

authors： Turner NA,Walker JH,Ball SG,Vaughan PF

更新日期：1996-06-01 00:00:00

abstract：:We have cloned Caenorhabditis elegans lev-8 and demonstrated that it encodes a novel nicotinic acetylcholine receptor (nAChR) subunit (previously designated ACR-13), which has functional roles in body wall and uterine muscles as part of a levamisole-sensitive receptor. LEV-8 is an alpha subunit and is the first to be ...

journal_title：Journal of neurochemistry

authors： Towers PR,Edwards B,Richmond JE,Sattelle DB

更新日期：2005-04-01 00:00:00

abstract：:The AP1 site within the tyrosine hydroxylase gene proximal promoter is essential for the response of the gene to numerous stimuli. Stimulation of this gene is often associated with induction of the AP1 transcription factor, c-Fos. However, many stimuli activate or induce multiple transcription factors that interact wi...

journal_title：Journal of neurochemistry

authors： Sun B,Tank AW

更新日期：2002-01-01 00:00:00

abstract：:The effect of ethanol on insulin-like growth factor-1 (IGF-I)-mediated signal transduction and functional activation in neuronal cells was examined. In human SH-SY5Y neuroblastoma cells, ethanol inhibited tyrosine autophosphorylation of the IGF-I receptor. This corresponded to the inhibition of IGF-I-induced phosphory...

journal_title：Journal of neurochemistry

authors： Seiler AE,Ross BN,Rubin R

更新日期：2001-01-01 00:00:00

abstract：:Long-term ethanol exposure is known to inhibit bradykinin-stimulated phosphoinositide hydrolysis in cultures of neuroblastoma x glioma 108-15 cells. In the present study, [3H]bradykinin binding, GTP-binding protein function, and phospholipase C activity were assayed in cells grown for 4 days in 100 mM ethanol with the...

journal_title：Journal of neurochemistry

authors： Simonsson P,Rodriguez FD,Loman N,Alling C

更新日期：1991-06-01 00:00:00

abstract：:Perinatal hypoxic-ischaemic encephalopathy (HIE) occurs in 1-2 in every 1000 term infants and the devastating consequences range from cerebral palsy, epilepsy and neurological deficit to death. Cellular damage post insult occurs after a delay and is mediated by a secondary neural energy failure. AMP-activated protein ...

journal_title：Journal of neurochemistry

authors： Rousset CI,Leiper FC,Kichev A,Gressens P,Carling D,Hagberg H,Thornton C

更新日期：2015-04-01 00:00:00

abstract：:Pituitary adenylate cyclase-activating peptide (PACAP) receptor (PAC1R) is a class B Gprotein-coupled receptor (GPCR) that is widely expressed in the human body and is involved in neuronal differentiation. As class B GPCRs are known to form heterocomplexes with family members, we hypothesized that PAC1R mediates neuro...

journal_title：Journal of neurochemistry

authors： Ke R,Lok SIS,Singh K,Chow BKC,Lee LTO

更新日期：2020-10-20 00:00:00

abstract：:Phospholipase C gamma 1 (PLC-gamma 1) is involved at an early step in signal transduction of many hormones and growth factors and catalyzes the hydrolysis of phosphatidylinositol (PI) 4,5-bisphosphate to diacylglycerol and inositol trisphosphate, two potent intracellular second messenger molecules. The transformation ...

journal_title：Journal of neurochemistry

authors： Widmer HR,Kaplan DR,Rabin SJ,Beck KD,Hefti F,Knüsel B

更新日期：1993-06-01 00:00:00

abstract：:Addiction is thought to be a memory process between perception and environmental cues and addicted patients often relapse when they come into contact with the drug-related context once again. Here, we used a conditioned place preference protocol to seek a more effective extinction methodology of methamphetamine (METH)...

journal_title：Journal of neurochemistry

authors： Huang CH,Yu YJ,Chang CH,Gean PW

更新日期：2016-04-01 00:00:00

abstract：:The effects of cetiedil and its analogue MR 16728 were examined on spontaneous acetylcholine release measured with a chemiluminescent assay using choline oxidase in a synaptosomal suspension obtained from Torpedo marmorata electric organ. Evoked acetylcholine release is inhibited by cetiedil, whereas this drug enhance...

journal_title：Journal of neurochemistry

authors： Moulian N,Gaudry-Talarmain YM,Israël M

更新日期：1994-01-01 00:00:00

abstract：:We examined the effects of treatments affecting norepinephrine release on the number of norepinephrine reuptake recognition sites as reflected by desipramine binding. To do this, we used manipulations having similar presynaptic but contrasting postsynaptic effects. Presynaptic inhibition by 6-hydroxydopamine lesion or...

journal_title：Journal of neurochemistry

authors： Swann AC,Duman R,Hewitt L

更新日期：1985-02-01 00:00:00

abstract：:In contrast with most other lipid substrates, in this article we show that liposomes prepared from the total myelin lipids exhibited a negligible proton permeability. Neither the generation of valinomycin-induced potassium diffusion potentials as high as -177 mV nor the imposition of large pH gradients (up to three un...

journal_title：Journal of neurochemistry

authors： Díaz RS,Monreal J

更新日期：1994-05-01 00:00:00

abstract：:The aryl hydrocarbon receptor (AhR) is a ligand-activated transcription factor activated by dioxin and polyaromatic hydrocarbons. Recent studies have revealed that AhR activity in central neurons depends on the NMDA receptor. In this study, we investigated how the neuronal activity influence AhR-mediated dioxin-respon...

journal_title：Journal of neurochemistry

authors： Lin CH,Juan SH,Wang CY,Sun YY,Chou CM,Chang SF,Hu SY,Lee WS,Lee YH

更新日期：2008-03-01 00:00:00

abstract：:The RGS proteins are a recently discovered family of G protein regulators that have been shown to act as GTPase-activating proteins (GAPs) on the G(alpha i) and G(alpha q) subfamilies of the heterotrimeric G proteins. Here, we demonstrate that RGS7 is a potent GAP in vitro on G(alpha i1), and G(alpha o) heterotrimeric...

journal_title：Journal of neurochemistry

authors： Shuey DJ,Betty M,Jones PG,Khawaja XZ,Cockett MI

更新日期：1998-05-01 00:00:00

abstract：:L-3,4-Dihydroxyphenylalanine (L-dopa) is toxic for human neuroblastoma cells NB69 and its toxicity is related to several mechanisms including quinone formation and enhanced production of free radicals related to the metabolism of dopamine via monoamine oxidase type B. We studied the effect of L-DOPA on activities of e...

journal_title：Journal of neurochemistry

authors： Pardo B,Mena MA,de Yébenes JG

更新日期：1995-02-01 00:00:00

abstract：:Chronic exposure to manganese (Mn) can cause manganism, a neurodegenerative disorder similar to Parkinson's disease. The toxicity of Mn includes impairment of astrocytic glutamate transporters. 17beta-Estradiol (E2) has been shown to be neuroprotective in various neurodegenerative diseases including Parkinson's diseas...

journal_title：Journal of neurochemistry

authors： Lee ES,Sidoryk M,Jiang H,Yin Z,Aschner M

更新日期：2009-07-01 00:00:00

abstract：:Certain non-steroidal anti-inflammatory drugs (NSAIDs) preferentially inhibit production of the amyloidogenic Abeta42 peptide, presumably by direct modulation of gamma-secretase activity. A recent report indicated that NSAIDs could reduce Abeta42 by inhibition of the small GTPase Rho, and a single inhibitor of Rho kin...

journal_title：Journal of neurochemistry

authors： Leuchtenberger S,Kummer MP,Kukar T,Czirr E,Teusch N,Sagi SA,Berdeaux R,Pietrzik CU,Ladd TB,Golde TE,Koo EH,Weggen S

更新日期：2006-01-01 00:00:00