Specific changes of sulfatide levels in individuals with pre-clinical Alzheimer's disease: an early event in disease pathogenesis.

abstract：:The consequences of H(2)O(2)/Fe(2+)-induced oxidative stress on translocation of ethanolamine phosphoglyceride (EPG) and serine phosphoglyceride (SPG) were studied in an oligodendroglia-like cell line (OLN 93) following 3 days of supplementation with 0.1 mM docosahexaenoic acid (DHA) and a series of polar head group p...

journal_title：Journal of neurochemistry

authors： Brand A,Yavin E

更新日期：2001-09-01 00:00:00

abstract：:The normal cellular form of prion protein (PrP(C)) has been shown to exhibit a diverse range of biological activities. Several recent studies highlighted potential involvement of PrP(C) in embryogenesis or in regulating stem cell self-renewal and proliferation. In the current study, we employed human embryonic stem ce...

journal_title：Journal of neurochemistry

authors： Lee YJ,Baskakov IV

更新日期：2010-07-01 00:00:00

abstract：:Aquaporin-4, a predominant water channel in the brain, is specifically expressed in astrocyte endfeet and plays a central role in water homeostasis, neuronal activity, and cell migration in the brain. It has two dominant isoforms called M1 and M23, whose mRNA is driven by distinct promoters located upstream of exons 0...

journal_title：Journal of neurochemistry

authors： Abe Y,Ikeshima-Kataoka H,Goda W,Niikura T,Yasui M

更新日期：2012-03-01 00:00:00

abstract：:Immunoaffinity chromatography with a monoclonal antibody produced against bovine tau protein was used to purify tau proteins from human brain. Fifty grams of brain tissue yielded approximately 2 mg of pure tau proteins. The affinity-purified human tau was used to produce a high-titered rabbit anti-human tau serum. The...

journal_title：Journal of neurochemistry

authors： Mercken M,Vandermeeren M,Lübke U,Six J,Boons J,Vanmechelen E,Van de Voorde A,Gheuens J

更新日期：1992-02-01 00:00:00

abstract：:Vascular endothelial growth factor (VEGF) is a neurotrophic factor essential for maintenance of motor neurons. Loss of this factor produces a phenotype similar to amyotrophic lateral sclerosis (ALS). We recently showed that ALS-producing mutations of Cu/Zn-superoxide dismutase (SOD1) disrupt post-transcriptional regul...

journal_title：Journal of neurochemistry

authors： Li X,Lu L,Bush DJ,Zhang X,Zheng L,Suswam EA,King PH

更新日期：2009-02-01 00:00:00

abstract：:Previous in vitro studies have shown that group III metabotropic glutamate receptors (mGluRs) regulate synaptic glutamate release. The present study used microdialysis to characterize this regulation in vivo in rat nucleus accumbens. Reverse dialysis of the group III mGluR agonist l-(+)-2-amino-4-phosphonobutyric acid...

journal_title：Journal of neurochemistry

authors： Xi ZX,Shen H,Baker DA,Kalivas PW

更新日期：2003-12-01 00:00:00

abstract：:Excess copper exposure is thought to be linked to the development of Alzheimer's disease (AD) neuropathology. However, the mechanism by which copper affects the CNS remains unclear. To investigate the effect of chronic copper exposure on both beta-amyloid and tau pathologies, we treated young triple transgenic (3xTg-A...

journal_title：Journal of neurochemistry

authors： Kitazawa M,Cheng D,Laferla FM

更新日期：2009-03-01 00:00:00

abstract：:Although pharmacological stimulation of a wide variety of transmitter receptors triggers phosphoinositide (PI) turnover, little is known about the type of synaptic activity required to activate this system. To investigate this question, we have used primary cultures of embryonic cortical neurons, which develop functio...

journal_title：Journal of neurochemistry

authors： Murphy TH,Wright DD,Baraban JM

更新日期：1992-12-01 00:00:00

abstract：:Melanocortin-4 receptors (MC4 R) are unique among G-protein-coupled receptors (GPCRs) as they have endogenous ligands that can exhibit inverse agonistic properties in the case of elevated basal activity. It is known that the constitutive activity of GPCRs strongly affects the ligand-dependent physiological responses, ...

journal_title：Journal of neurochemistry

authors： Link R,Veiksina S,Tahk MJ,Laasfeld T,Paiste P,Kopanchuk S,Rinken A

更新日期：2020-05-01 00:00:00

abstract：:The endocytotic uptake and intracellular decay of horseradish peroxidase isoenzymes C and A by cultured mouse neuroblastoma cells were analyzed quantitatively by a direct spectrophotometric assay. At concentrations below 1 mg/ml, the rate of uptake of the isoenzyme C was more than three times as much as the isoenzyme ...

journal_title：Journal of neurochemistry

authors： Chan KY,Haschke RH

更新日期：1981-01-01 00:00:00

abstract：:The binding of the potent adenosine uptake inhibitor [3H]nitrobenzylthioinosine ([3H]NBI) to brain membrane fractions was investigated. Reversible, saturable, specific, high-affinity binding was demonstrated in both rat and human brain. The KD in both was 0.15 nM with Bmax values of 140-200 fmol/mg protein. Linear Sca...

journal_title：Journal of neurochemistry

authors： Marangos PJ,Patel J,Clark-Rosenberg R,Martino AM

更新日期：1982-07-01 00:00:00

abstract：:Exogenous phospholipases have been used extensively as tools to study the role of membrane lipids in receptor mechanisms. We used in vitro quantitative autoradiography to evaluate the effect of phospholipase A2 (PLA2) on N-methyl-D-aspartate (NMDA) and non-NMDA glutamate receptors in rat brain. PLA2 pretreatment induc...

journal_title：Journal of neurochemistry

authors： Catania MV,Hollingsworth Z,Penney JB,Young AB

更新日期：1993-01-01 00:00:00

abstract：:Although the involvement of both endogenous opioid and serotonergic systems in modulation of pain and emotion was suggested, the neurochemical interaction between these systems in the brain has not previously been studied directly. Herein, the effects of the local application of serotonin (5-HT) and fluoxetine (a 5-HT...

journal_title：Journal of neurochemistry

authors： Zangen A,Nakash R,Yadid G

更新日期：1999-12-01 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：:Animals trained in a passive avoidance task exhibit a transient time-dependent increase in hippocampal neural cell adhesion molecule (NCAM) polysialylation at 12-24 h following the initial learning trial. Using immunocytochemical techniques with a monoclonal antibody that specifically recognises NCAM-polysialic acid h...

journal_title：Journal of neurochemistry

authors： Fox GB,O'Connell AW,Murphy KJ,Regan CM

更新日期：1995-12-01 00:00:00

abstract：:Metallothionein (MT)-III, a member of the MT family of metal-binding proteins, is mainly expressed in the CNS and is abundant in glutamatergic neurons. Results in genetically altered mice indicate that MT-III may play neuroprotective roles in the brain, but the mechanisms through which this protein functions have not ...

journal_title：Journal of neurochemistry

authors： Montoliu C,Monfort P,Carrasco J,Palacios O,Capdevila M,Hidalgo J,Felipo V

更新日期：2000-07-01 00:00:00

abstract：:Both hypercortisolemia and hippocampal damage are features found in patients diagnosed of Alzheimer's disease (AD) and epidemiological evidence supports a role for stress as a risk factor for AD. It is known that immobilization stress is followed by accumulation of oxidative/nitrosative mediators in brain after the re...

journal_title：Journal of neurochemistry

authors： Perez Nievas BG,Hammerschmidt T,Kummer MP,Terwel D,Leza JC,Heneka MT

更新日期：2011-01-01 00:00:00

abstract：:The time course of the reduction in brain protein synthesis following transient bilateral ischemia in the gerbil was characterized and compared with changes in a number of metabolites related to brain energy metabolism. The recovery of brain protein synthesis was similar following ischemic periods of 5, 10, or 20 min;...

journal_title：Journal of neurochemistry

authors： Nowak TS Jr,Fried RL,Lust WD,Passonneau JV

更新日期：1985-02-01 00:00:00

abstract：:The FE65 adaptor protein family was identified in two-hybrid screens as proteins that bind the cytoplasmic domain of the amyloid precursor protein (APP). Studies have shown that FE65 binding to APP modulates APP processing. Increased levels of alpha-secretase derived secreted APP (APPsalpha) and beta-amyloid (Abeta) w...

journal_title：Journal of neurochemistry

authors： Guénette SY,Chang Y,Hyman BT,Tanzi RE,Rebeck GW

更新日期：2002-08-01 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：:The spontaneously hypertensive rat (SHR) is widely used as a model of attention-deficit/hyperactivity disorder (ADHD). Deficits in central nicotinic receptors (nAChRs) have been previously observed in SHRs, which is interesting since epidemiological studies have identified an association between smoking and ADHD sympt...

journal_title：Journal of neurochemistry

authors： Wigestrand MB,Mineur YS,Heath CJ,Fonnum F,Picciotto MR,Walaas SI

更新日期：2011-10-01 00:00:00

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：: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：:Binding of DL-alpha-[3H]amino-3-hydroxy-5-methyl-isoxazole-4-propionic acid ([3H]AMPA) to lysed rat brain membranes in the presence of potassium thiocyanate resulted in curvilinear Scatchard plots that could be resolved by regression analysis into a large low-affinity component and a small high-affinity component. Sol...

journal_title：Journal of neurochemistry

authors： Hall RA,Kessler M,Lynch G

更新日期：1992-12-01 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：:We have previously reported that insulin/insulin-like growth factor (IGF)-I induced the alpha 1 isoform of Na+,K(+)-ATPase in cultured astrocytes. In this study the effects of insulin/IGF-I on Na+,K(+)-ATPase activity and cell proliferation were examined in astrocytes cultured under the various conditions, to test the...

journal_title：Journal of neurochemistry

authors： Matsuda T,Murata Y,Tanaka K,Hosoi R,Hayashi M,Tamada K,Takuma K,Baba A

更新日期：1996-02-01 00:00:00

abstract：:The NMDA receptor/channel has been shown to be inhibited by ethanol in the clinically relevant range 25-100 mM. We studied heteromeric assemblies (NR1b/NR2) of the NMDA receptor, expressed in oocytes, to address three questions regarding this inhibition, and discovered the following: (1) The inhibition was nearly equi...

journal_title：Journal of neurochemistry

authors： Chu B,Anantharam V,Treistman SN

更新日期：1995-07-01 00:00:00

abstract：:Quinolinic acid (QA) has been shown to evoke neurotoxic events via NMDA receptor (NMDAR) overactivation and oxidative stress. NMDARs are particularly vulnerable to free radicals, which can modulate protein tyrosine kinase (PTK) and phosphotyrosine phosphatase (PTP) activities. The src family of tyrosine kinases are as...

journal_title：Journal of neurochemistry

authors： Metere A,Mallozzi C,Minetti M,Domenici MR,Pèzzola A,Popoli P,Di Stasi AM

更新日期：2006-06-01 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

abstract：:A decline in the calcium-dependent release of neurotransmitters appears to underlie the decreased neuronal function that accompanies reduced oxygen tensions (hypoxia). To determine if alterations in calcium uptake are primary to these changes, synaptosomal calcium uptake was measured in the presence of 100%, 2.5%, or ...

journal_title：Journal of neurochemistry

authors： Peterson C,Gibson GE

更新日期：1984-01-01 00:00:00