Oxidative stress and microglial activation in substantia nigra following striatal MPP+.

abstract：:The potential neuroprotective effects of glial cell line-derived neurotrophic factor (GDNF) and neublastin (NBN) against NMDA-induced excitotoxicity were examined in hippocampal brain slice cultures. Recombinant human GDNF (25-100 ng/ ml) or NBN, in medium conditioned by growth of transfected, NBN-producing HiB5 cells...

journal_title：Neuroreport

authors： Bonde C,Kristensen BW,Blaabjerg M,Johansen TE,Zimmer J,Meyer M

更新日期：2000-12-18 00:00:00

abstract：:Previous studies have provided electrophysiological evidence for attentional abnormalities in patients with post-traumatic stress disorder (PTSD). The present study examined the electrophysiological activity of trauma-exposed patients with or without a PTSD during a modified Stroop task. The PTSD group showed a reduce...

journal_title：Neuroreport

authors： Chen X,Wei D,Dupuis-Roy N,Du X,Qiu J,Zhang Q

更新日期：2012-12-19 00:00:00

abstract：:Propofol is widely used for induction and maintenance of anaesthesia, which causes a rapid loss of consciousness. So far the mechanisms underlying the effect of propofol are still largely unknown. Here, we found that microinjection of propofol in the lateral hypothalamus caused a significant decrease in wakefulness an...

journal_title：Neuroreport

authors： Shi Y,Xiao D,Dai L,Si Y,Fang Q,Wei X

更新日期：2019-10-09 00:00:00

abstract：:The tetrodotoxin-resistant voltage-gated sodium channel Nav 1.8 is expressed only in nociceptive sensory neurons. This channel has been proposed to contribute significantly to the sensitization of primary sensory neurons after injury. We have studied the nociceptive behaviours of mice carrying a null mutation in the N...

journal_title：Neuroreport

authors： Kerr BJ,Souslova V,McMahon SB,Wood JN

更新日期：2001-10-08 00:00:00

abstract：:The cellular distribution of the rat metabotropic glutamate receptor type 4 (mGluR4) was examined in the adult rat cerebral cortex and hippocampus. Antibodies were raised against amino acid residues located in the extracellular amino terminal domain that is common to both the mGluR4a and mGluR4b splice variants, and u...

journal_title：Neuroreport

authors： Phillips T,Makoff A,Brown S,Rees S,Emson P

更新日期：1997-10-20 00:00:00

abstract：:Event-related potentials were recorded in healthy volunteers to test the accuracy of the human brain to extract, preattentively, auditory abstract rules. The abstract rule was determined by the frequency relationship between two pure tones forming a pair. The standard pairs had identical tone frequency, whereas the de...

journal_title：Neuroreport

authors： Carral V,Corral MJ,Escera C

更新日期：2005-02-28 00:00:00

abstract：:Brief tetanic stimulation of parallel fibres can evoke a slow excitatory postsynaptic potential (EPSP) in cerebellar Purkinje cells that is mediated by metabotropic glutamate receptors (mGluRs). It is likely that the receptor subtype involved is mGluR1, which couples to the production of diacylglycerol and inositol-1,...

journal_title：Neuroreport

authors： Batchelor AM,Vranesic I,Del Principe F,Garthwaite J,Knöpfel T

更新日期：1996-08-12 00:00:00

abstract：:There are remarkable behavioral, neural, and genetic similarities between song learning in songbirds and speech acquisition in human infants. Previously, we have argued that this parallel cannot be extended to the level of sentence syntax. Although birdsong can indeed have a complex structure, it lacks the combinatori...

journal_title：Neuroreport

authors： Beckers GJ,Bolhuis JJ,Okanoya K,Berwick RC

更新日期：2012-02-15 00:00:00

abstract：:Transcranial magnetic stimulation (TMS) was applied over the frontal eye field (FEF) and the supplementary eye field (SEF) regions before execution of the first saccade in a double step task. When applied over the FEF, stimulation increased the percentage error in amplitude of the contralateral second saccade as compa...

journal_title：Neuroreport

authors： Tobler PN,Müri RM

更新日期：2002-02-11 00:00:00

abstract：:Single unit recordings were made from the ventral posterior lateral thalamus of anaesthetized rats to characterize responses to the activation of new receptive fields induced by either local anaesthesia or amputation. Receptive fields confined to single digits were identified and evoked unit responses to the stimulati...

journal_title：Neuroreport

authors： Shin HC,Park S,Son J,Sohn JH

更新日期：1995-12-29 00:00:00

abstract：:The distribution of inositol 1,4,5-triphosphate 3-kinase (IP3 3-kinase) in the gerbil hippocampus was studied before and after transient ischaemia, by immunohistochemistry and immunoblot with monoclonal antibody to IP3 3-kinase. In control gerbils, intense IP3 3-kinase immunoreactivity was localized in the dendritic f...

journal_title：Neuroreport

authors： Shimazaki K,Ishida A,Rhee SG,Takenawa T,Kawai N

更新日期：1994-03-21 00:00:00

abstract：:Hypoxia-inducible factor-1 (HIF-1) regulates the expression of neuroprotective genes such as erythropoietin (EPO). We investigated the mechanism by which zinc, an excitotoxin-like metal, regulates HIF-1 under hypoxic conditions in astrocytes. In hypoxic LN215 cells, HIF-1alpha stabilized and accumulated in the nucleus...

journal_title：Neuroreport

authors： Kim I,Kim CH,Seo GH,Kim HS,Lee J,Kim DG,Ahn YS

更新日期：2008-07-02 00:00:00

abstract：:The early effect of 1-100 microM roscovitine, a purine analogue and cyclin-dependent kinase inhibitor, was studied on tissue specimens from eight human malignant gliomas. The tissue was incubated immediately after resection with DMEM containing [3H]methylthymidine plus vehicle alone or the proper concentration of rosc...

journal_title：Neuroreport

authors： Yakisich JS,Boethius J,Lindblom IO,Wallstedt L,Vargas VI,Sidén A,Cruz MH

更新日期：1999-08-20 00:00:00

abstract：:A prominent theory of the N2 event-related potential component holds that the 'oddball' N2 is generated in the anterior cingulate cortex. However, observations of oddball N2s with posterior scalp distributions are inconsistent with this hypothesis. We suggest that variability in the topology of the oddball N2 is a key...

journal_title：Neuroreport

authors： Warren CM,Tanaka JW,Holroyd CB

更新日期：2011-12-07 00:00:00

abstract：:ERPs were recorded from subjects performing semantic and rhyme matching tasks using either spoken words, printed words or pictures as stimuli. Mismatches enhanced N400 (in the semantic task) and N450 (in the rhyme task). Onset and peak latencies were shorter for N450 than for N400 with spoken words; this relationship ...

journal_title：Neuroreport

authors： Perez-Abalo MC,Rodriguez R,Bobes MA,Gutierrez J,Valdes-Sosa M

更新日期：1994-10-27 00:00:00

abstract：:Duchenne muscular dystrophy is due to mutations in the dystrophin gene which is predominantly expressed in muscle and brain. Since the disease is associated with cognitive impairment, we sought to localize dystrophin mRNA in brain using in situ hybridization with oligonucleotide probes. We find the gene strongly expre...

journal_title：Neuroreport

authors： Gorecki D,Geng Y,Thomas K,Hunt SP,Barnard EA,Barnard PJ

更新日期：1991-12-01 00:00:00

abstract：:Latest reports suggest the involvement of insulin in modulating memory. A few published in-vitro studies favor the antidementia effect of insulin. Thus, the present study aimed to evaluate the prophylactic role of insulin and its combination with glucose and its possible mechanism(s) in an aluminum chloride (AlCl3)-in...

journal_title：Neuroreport

authors： Nampoothiri M,Kumar N,Venkata Ramalingayya G,Gopalan Kutty N,Krishnadas N,Mallikarjuna Rao C

更新日期：2017-06-14 00:00:00

abstract：:We report an investigation into the processing of symmetrical lexical stimuli by a patient with moderate visual neglect. This subject's neglect dyslexia was significantly less pronounced when presented with symmetrical lexical stimuli (palindromes) than with matched non-symmetrical words. We discuss the hypothesis tha...

journal_title：Neuroreport

authors： Shillcock RC,Kelly ML,Monaghan P

更新日期：1998-09-14 00:00:00

abstract：:Scanning laser-Doppler flowmetry (SLDF) combines laser-Doppler flowmetry and laser scanning to provide images of cerebral blood flow (CBF) with high spatial and temporal resolution. We investigated the contribution of single vascular elements to the local increase of CBF accompanying increased neuronal activity in hal...

journal_title：Neuroreport

authors： Akgören N,Lauritzen M

更新日期：1999-11-08 00:00:00

abstract：:Although beta-amyloid precursor protein (APP) has been suggested to play a role in neuronal survival and plasticity, the mRNA expression of APP has not been studied in terms of neuronal activity. In cultures of mouse cerebellar granule cells, we found that the levels of APP mRNA increased when a high concentration of ...

journal_title：Neuroreport

authors： Tabuchi A,Ishii A,Fukuchi M,Kobayashi S,Suzuki T,Tsuda M

更新日期：2004-06-07 00:00:00

abstract：:The present study was based on earlier findings that the observation of a coherently moving long bar induced gamma-band activity in humans. The power in the EEG-gamma-band was reduced during the presentation of two incoherently moving short bars. The present study demonstrates the replicability of this cortical activi...

journal_title：Neuroreport

authors： Müller MM,Junghöfer M,Elbert T,Rochstroh B

更新日期：1997-07-28 00:00:00

abstract：:Neuronal activity may lead to long lasting changes in cell phenotype through induction of genes such as c-fos which encode transcriptional regulatory factors. Odor-activated olfactory bulb cells exhibit increases in c-fos mRNA expression. The present study examined whether odor stimulation of awake rats also leads to ...

journal_title：Neuroreport

authors： Guthrie KM,Gall CM

更新日期：1995-11-13 00:00:00

abstract：:N-methyl-D-aspartate (NMDA) receptors are hetero-oligomeric receptor-channel complexes composed of NR1 and NR2 subunits. Subunit composition determines the properties of NMDA receptor subtypes. However, the molecular mechanisms regulating their subunit composition are unknown. Using reverse transcription (RT)-competit...

journal_title：Neuroreport

authors： Hoffmann H,Hatt H,Gottmann K

更新日期：1997-12-01 00:00:00

abstract：:We investigated the role of kainate receptor activation in modulating the influx of Ca2+ coupled to the exocytotic release of glutamate in rat hippocampal synaptosomal fractions (P2). In whole hippocampus synaptosomes stimulation with domoic acid increased the intracellular free Ca2+ concentration ([Ca2+]i) in a dose-...

journal_title：Neuroreport

authors： Malva JO,Carvalho AP,Carvalho CM

更新日期：1996-05-17 00:00:00

abstract：:Neuronal network reconstruction is a pivotal determinant for functional recovery after spinal cord injury (SCI), the process of which includes synaptogenesis. Slit2 protein has been identified as a key regulator of axon regeneration and synapse formation in the vertebrate. Meanwhile, RhoA is the converging cascade of ...

journal_title：Neuroreport

authors： Li Y,Gao Y,Xu X,Shi R,Liu J,Yao W,Ke C

更新日期：2017-01-18 00:00:00

abstract：:The gene expression of cholecystokinin (CCK), a neuropeptide with anti-opioid properties, has been reported to be upregulated in some primary sensory neurons after a peripheral nerve lesion. We have recently demonstrated that the upregulation of CCK mRNA is not accompanied by an increased potassium-evoked release CCK-...

journal_title：Neuroreport

authors： Afrah AW,Gustafsson H,Olgart L,Brodin E,Stiller CO

更新日期：2001-01-22 00:00:00

abstract：:AMPA-preferring glutamate receptor genes gluR1-4 undergo alternative splicing into flip and flop mRNA isoforms. In the rodent hippocampus, gluR1 and gluR2 isoforms are differentially expressed. We have studied their distribution in human hippocampus. As in the rat, flop isoforms predominate over flip in dentate gyrus,...

journal_title：Neuroreport

authors： Eastwood SL,Burnet PW,Beckwith J,Kerwin RW,Harrison PJ

更新日期：1994-06-27 00:00:00

abstract：OBJECTIVE:The traditional Chinese medicine, Dendrobium nobile Lindl. polysaccharides (DNLP), reportedly has neuroprotective effects. However, its effects following ischemic stroke remain unclear. This study aimed to explore the role and mechanism of DNLP in experimental models of inflammation and apoptosis. METHODS:In...

journal_title：Neuroreport

authors： Liu J,Han Y,Zhu T,Yang Q,Wang H,Zhang H

更新日期：2020-12-14 00:00:00

abstract：:We studied the neural substrate of anticipation and learning of smooth pursuit eye movements in humans using fMRI. Both predictable and non-predictable eye movements, compared to baseline, activated a common network previously associated with oculomotor function. The temporal dynamics of activity in a subset of these ...

journal_title：Neuroreport

authors： Schmid A,Rees G,Frith C,Barnes G

更新日期：2001-05-25 00:00:00

abstract：:The whole-cell patch-clamp technique was employed to investigate the development of voltage-gated currents in cultured newt retinal pigment epithelial (RPE) cells. Freshly dissociated RPE cells were inexcitable and mainly exhibited a voltage-gated outward K+ current. Within a few days in culture RPE cells began to fla...

journal_title：Neuroreport

authors： Sakai H,Saito T

更新日期：1994-04-14 00:00:00