Intracellular ascorbic acid inhibits the Na(+)-Ca2+ exchanger in cultured rat astrocytes.

abstract：:Changes in cellular energetic and metabolic parameters were analyzed at several time points during apoptosis of differentiated PC12 cells following removal of nerve growth factor (NGF). As approximately 60% of the population died during the period of study (24 h), most of the measured metabolic indicators declined ove...

journal_title：Journal of neurochemistry

authors： Mills JC,Nelson D,Erecińska M,Pittman RN

更新日期：1995-10-01 00:00:00

abstract：:Voltage-dependent calcium channels from ileal smooth muscle can be affinity-labeled with a [3H]dihydropyridine isothiocyanate radioligand. We examined the binding of this agent to brain membranes, to compare the properties of calcium channel drug binding sites in brain with those previously described in ileum. In brai...

journal_title：Journal of neurochemistry

authors： Greenberg DA,Cooper EC,Carpenter CL

更新日期：1985-01-01 00:00:00

abstract：:Increasing reports support that air pollution causes neuroinflammation and is linked to central nervous system (CNS) disease/damage. Diesel exhaust particles (DEP) are a major component of urban air pollution, which has been linked to microglial activation and Parkinson's disease-like pathology. To begin to address ho...

journal_title：Journal of neurochemistry

authors： Levesque S,Taetzsch T,Lull ME,Johnson JA,McGraw C,Block ML

更新日期：2013-06-01 00:00:00

abstract：:Mutations in the tau gene cause frontotemporal dementia and parkinsonism linked to chromosome-17 (FTDP-17). Functionally, about half of the known mutations increase the alternative mRNA splicing of exon 10 of the tau gene, resulting in the overproduction of tau isoforms with four microtubule-binding repeats. The other...

journal_title：Journal of neurochemistry

authors： Yoshida H,Crowther RA,Goedert M

更新日期：2002-02-01 00:00:00

abstract：:To better understand metabotropic/ionotropic integration in neurons we have examined the regulation of M1 muscarinic acetylcholine (mACh) receptor signalling in mature (> 14 days in vitro), synaptically-active hippocampal neurons in culture. Using a protocol where neurons are exposed to an EC(50) concentration of the ...

journal_title：Journal of neurochemistry

authors： Willets JM,Nelson CP,Nahorski SR,Challiss RA

更新日期：2007-12-01 00:00:00

abstract：:Using optical imaging of retinal ganglion cell (RGC) calcium dynamics in living intact retinal wholemount preparations, we tested whether RGCs in an experimental rat glaucoma model were more sensitive to exogenously applied glutamate as a result of deficient glutamate clearance mechanisms. In contrast to post-natal ra...

journal_title：Journal of neurochemistry

authors： Hartwick AT,Zhang X,Chauhan BC,Baldridge WH

更新日期：2005-08-01 00:00:00

abstract：:Niemann-Pick type C disease (NPCD) was first described in 1914 and affects approximately 1 in 150 000 live births. It is characterized clinically by diverse symptoms affecting liver, spleen, motor control, and brain; premature death invariably results. Its molecular origins were traced, as late as 1997, to a protein o...

journal_title：Journal of neurochemistry

authors： Wheeler S,Sillence DJ

更新日期：2020-06-01 00:00:00

abstract：:Glutamate or a related excitatory amino acid is thought to be the major excitatory neurotransmitter of hippocampal afferents, intrinsic neurons, and efferents. We have used an autoradiographic technique to investigate the status of excitatory amino acid receptors in the hippocampal formation of patients dying with dem...

journal_title：Journal of neurochemistry

authors： Greenamyre JT,Penney JB,D'Amato CJ,Young AB

更新日期：1987-02-01 00:00:00

abstract：:Studies performed over the past several years have provided evidence that phosphorylation of proteins is important in the regulation of neurotransmitter release. In this study, it is shown that rabphilin-3A is present in cerebellar granule cells as a phosphoprotein, by using 32P-labeling of cerebellar granule cells, i...

journal_title：Journal of neurochemistry

authors： Fykse EM

更新日期：1998-10-01 00:00:00

abstract：:In order to establish whether the antioxidant and iron-chelating activities of R-apomorphine (R-APO), a D(1)-D(2) receptor agonist, may contribute to its neuroprotective property, its S-isomer, which is not a dopamine agonist, was studied. The neuroprotective property of R- and S-APO has been studied in the MPTP model...

journal_title：Journal of neurochemistry

authors： Grünblatt E,Mandel S,Maor G,Youdim MB

更新日期：2001-04-01 00:00:00

abstract：:Acetylcholine and choline release from rat brain synaptosomes have been measured using a chemiluminescent technique under a variety of conditions set up to mimic anoxic insult, including conditions of low pH (6.2) and the presence of lactate plus pyruvate as substrate. Lactate plus pyruvate as substrate consistently g...

journal_title：Journal of neurochemistry

authors： Sanchez-Prieto J,Harvey SA,Clark JB

更新日期：1987-04-01 00:00:00

abstract：:cDNAs have been cloned that encode the chicken (Gallus domesticus) gamma-aminobutyric acidA receptor gamma 1 subunit, the mature sequence of which shares 90, 79, and 69% identity with those of the rat gamma 1, gamma 2, and gamma 3 subunits, respectively. In situ hybridization reveals that there are pronounced differen...

journal_title：Journal of neurochemistry

authors： Glencorse TA,Darlison MG,Barnard EA,Bateson AN

更新日期：1993-12-01 00:00:00

abstract：:Synaptic scaffolding molecule (S-SCAM) is a synaptic protein, which harbors five or six PSD-95/Discs large/ZO-1 (PDZ), a guanylate kinase and two WW domains. It interacts with NMDA receptor subunits, neuroligin and beta-catenin, and is involved in the accumulation of neuroligin at excitatory synapses. In this study, w...

journal_title：Journal of neurochemistry

authors： Sumita K,Sato Y,Iida J,Kawata A,Hamano M,Hirabayashi S,Ohno K,Peles E,Hata Y

更新日期：2007-01-01 00:00:00

abstract：:The exact molecular mechanism of ischemic neuronal death still remains unclear from rodents to primates. A number of studies using lower species animals have suggested implication of apoptosis cascade, while using monkeys the authors recently claimed necrosis cascade by calpain-induced leakage of lysosomal cathepsins ...

journal_title：Journal of neurochemistry

authors： Tsukada T,Watanabe M,Yamashima T

更新日期：2001-12-01 00:00:00

abstract：:Three major subtypes of glutamate receptors that are coupled to cation channels--N-methyl-D-aspartate (NMDA), kainate, and alpha-amino-3-hydroxy-5-methylisoxazole-4-propionate (AMPA) receptors--are known as ionotropic receptors in the mammalian CNS. Recently, an additional subtype that is coupled to GTP binding protei...

journal_title：Journal of neurochemistry

authors： Itano Y,Murayama T,Kitamura Y,Nomura Y

更新日期：1992-09-01 00:00:00

abstract：:Protein aggregation into amyloid fibrils is a key feature of a multitude of neurodegenerative diseases such as Alzheimer's, Parkinson's, and Prion disease. To detect amyloid fibrils, fluorophores with high sensitivity and better efficiency coupled with the low toxicity are in high demand even to date. In this pursuit,...

journal_title：Journal of neurochemistry

authors： Pravin N,Kumar R,Tripathi S,Kumar P,Mohite GM,Navalkar A,Panigrahi R,Singh N,Gadhe LG,Manchanda S,Shimozawa M,Nilsson P,Johansson J,Kumar A,Maji SK,Shanmugam M

更新日期：2020-08-04 00:00:00

abstract：:Parkinson's disease (PD) motor symptoms are caused by degeneration of nigrostriatal dopaminergic (DAergic) neurons. The most common causes of hereditary PD are mutations in the PARKIN gene. The ubiquitin ligase parkin has been shown to mediate neuroprotection in cell culture and in vivo, but the molecular mechanisms a...

journal_title：Journal of neurochemistry

authors： Hasegawa T,Treis A,Patenge N,Fiesel FC,Springer W,Kahle PJ

更新日期：2008-06-01 00:00:00

abstract：:Several neurodegenerative disorders are associated with evidence of inflammation, one feature of which is increased activation of microglia, the most likely cellular source of inflammatory cytokines like interleukin-1beta. It is now recognized that interaction of microglia with other cells contributes to maintenance o...

journal_title：Journal of neurochemistry

authors： Lyons A,Lynch AM,Downer EJ,Hanley R,O'Sullivan JB,Smith A,Lynch MA

更新日期：2009-09-01 00:00:00

abstract：:A miniature swine model for diffuse brain injury has recently been developed that replicates the inertial loading conditions associated with rotational acceleration during automotive accidents. The swine model induces diffuse axonal pathology without macroscopic injury such as contusions and hematomas, thus affording ...

journal_title：Journal of neurochemistry

authors： Cecil KM,Lenkinski RE,Meaney DF,McIntosh TK,Smith DH

更新日期：1998-05-01 00:00:00

abstract：:Stroke is the third leading cause of death as dementia is a main symptom of Alzheimer's disease. One of the important mechanisms in the pathogeny of stroke is free radical production during the reperfusion period, therefore the effects of a type of natural antioxidant, i.e. Crataegus flavonoids (CF), on brain ischemic...

journal_title：Journal of neurochemistry

authors： Zhang DL,Zhang YT,Yin JJ,Zhao BL

更新日期：2004-07-01 00:00:00

abstract：:Previous studies on central 5-hydroxytryptamine1A (5-HT1A) receptors have consistently shown the existence of a GTP-insensitive component of agonist binding, i.e., binding of [3H]8-hydroxy-2-(di-n-propylamino)tetralin ([3H]8-OH-DPAT) that persists in the presence of 0.1 mM GTP or guanylylimidodiphosphate (GppNHp). The...

journal_title：Journal of neurochemistry

authors： Emerit MB,Miquel MC,Gozlan H,Hamon M

更新日期：1991-05-01 00:00:00

abstract：:The nucleoside transporter of cerebral microvessels and choroid plexus was identified and characterized using [3H]nitrobenzylthioinosine (NBMPR) as a specific probe. [3H]NBMPR bound reversibly and with high affinity to a single specific site in particulate fractions of cerebral microvessels, choroid plexus, and cerebr...

journal_title：Journal of neurochemistry

authors： Kalaria RN,Harik SI

更新日期：1986-12-01 00:00:00

abstract：:Mutations in the presenilin 1 (PS1) gene are associated with autosomal dominant, early-onset, familial Alzheimer's disease and result in increased release of the hyperaggregatable 42-amino acid form of the amyloid beta-peptide (A(beta)42). To determine which subcellular compartments are potential source(s) of released...

journal_title：Journal of neurochemistry

authors： Petanceska SS,Seeger M,Checler F,Gandy S

更新日期：2000-05-01 00:00:00

abstract：:Nuclei from the cerebral cortices of animals of different ages were separated into neuronal and neuroglial populations. Nuclei from cerebellar neurons were also studied. Using the enzyme micrococcal nuclease as a probe for chromatin structure, we found that the DNA from both neuronal preparations showed a decreased su...

journal_title：Journal of neurochemistry

authors： Berkowitz EM,Sanborn AC,Vaughan DW

更新日期：1983-08-01 00:00:00

abstract：:delta 1-Pyrroline, 5-methyl-delta 1-pyrroline, and 5,5-dimethyl-delta 1-pyrroline have been identified as substances metabolized to gamma-aminobutyric acid (GABA), 4-aminopentanoic acid (methylGABA), and 4-amino-4-methylpentanoic acid (dimethylGABA), respectively. An enzyme system residing in the soluble fraction of r...

journal_title：Journal of neurochemistry

authors： Callery PS,Geelhaar LA,Nayar MS,Stogniew M,Rao KG

更新日期：1982-04-01 00:00:00

abstract：:Current evidence indicates that glutamate acting via the N-methyl-D-aspartate (NMDA) receptor/ion channel complex plays a major role in the neuronal degeneration associated with a variety of neurological disorders. In this report the role of glycine in NMDA neurotoxicity was examined. We demonstrate that NMDA-mediated...

journal_title：Journal of neurochemistry

authors： Patel J,Zinkand WC,Thompson C,Keith R,Salama A

更新日期：1990-03-01 00:00:00

abstract：:A non-invasive (13)C magnetic resonance spectroscopy (MRS) technique is described for the determination of the N-acetyl-L-aspartate (NAA) synthesis rate, V(NAA), in the human brain in vivo. In controls, the mean V(NAA) was 9.2 +/- 3.9 nmol/min/g. In Canavan disease, where [NAA] is increased (p < 0.001) and [aspartate]...

journal_title：Journal of neurochemistry

authors： Moreno A,Ross BD,Blüml S

更新日期：2001-04-01 00:00:00

abstract：:Nicotine has been shown to stimulate neurotransmitter release from brain tissue by acting on presynaptic receptors. In this study, the ability of nicotine pretreatment to produce functional desensitization was investigated in rat striatal synaptosomes in which the release of [3H]dopamine was measured with an in vitro ...

journal_title：Journal of neurochemistry

authors： Rowell PP,Hillebrand JA

更新日期：1994-08-01 00:00:00

abstract：:Neurofilament proteins (Nf) are a biomarker of disease progression in amyotrophic lateral sclerosis (ALS). This study investigated whether there are major differences in expression from in vivo measurements of neurofilament isoforms, from the light chain, NfL (68 kDa), compared with larger proteins, the medium chain (...

journal_title：Journal of neurochemistry

authors： Zucchi E,Lu CH,Cho Y,Chang R,Adiutori R,Zubiri I,Ceroni M,Cereda C,Pansarasa O,Greensmith L,Malaspina A,Petzold A

更新日期：2018-09-01 00:00:00

abstract：:GABAA receptors are activated via low-affinity binding sites for the agonists GABA or muscimol. Evidence has been provided that the amino acid residue alpha 1F64 located at the beta2(+)/alpha1(-) subunit interface forms part of this binding site. In radioactive ligand binding studies the agonist [3H]muscimol has been ...

journal_title：Journal of neurochemistry

authors： Baur R,Sigel E

更新日期：2003-10-01 00:00:00