Time-dependent effect of transcranial direct current stimulation on the enhancement of working memory.

abstract：:Both extracellular guanosine and adenosine stimulated astrocyte proliferation in vitro and increased intracellular cAMP 6-fold within 2 min. The effects of both guanosine and adenosine on proliferation and cAMP levels were inhibited by antagonists of adenosine A2 receptors but augmented by A1 receptor antagonists. The...

journal_title：Neuroreport

authors： Rathbone MP,Middlemiss PJ,DeLuca B,Jovetich M

更新日期：1991-11-01 00:00:00

abstract：:Amyloid plaques and neurofibrillary tangles are the major pathological hallmarks of Alzheimer's disease. Neurofibrillary tangles are composed of filaments and paired helical filaments containing polymerized hyperphosphorylated tau protein. Derlin proteins are a family of proteins that are conserved in all eukaryotes, ...

journal_title：Neuroreport

authors： Honjo Y,Ito H,Horibe T,Shimada H,Nakanishi A,Mori H,Takahashi R,Kawakami K

更新日期：2012-07-11 00:00:00

abstract：:CEP-1347 inhibits the signalling pathway of c-jun-N-terminal kinase, and is neuroprotective in vivo and in vitro. Embryonic chick dorsal root ganglion neurones are dependent on NGF for survival and neurite outgrowth; NGF withdrawal results in apoptotic cell death. We examined the neuroprotective and neurite outgrowth ...

journal_title：Neuroreport

authors： Bilsland JG,Harper SJ

更新日期：2003-05-23 00:00:00

abstract：:Chronic nicotine exposure enhances axon reflexes in adult rats. Since smoking mothers expose their infants to nicotine, this study investigated whether late gestational and or lactational maternal nicotine exposure affects neonatal axon reflexes. Osmotic pumps, implanted subcutaneously in adult female rats, delivered ...

journal_title：Neuroreport

authors： Grunfeld JA,Tiedemann GJ,Westerman RA

更新日期：1993-06-01 00:00:00

abstract：:The effects of 8-OH-DPAT were investigated on food intake in food-deprived rats in both non-operant and operant feeding paradigms. 8-OH-DPAT produced dose-related reductions in food intake in both paradigms. While the higher doses of 8-OH-DPAT used in this study (i.e. 125-500 micrograms kg-1) produced a number of ster...

journal_title：Neuroreport

authors： Ebenezer IS

更新日期：1992-11-01 00:00:00

abstract：:In a three-stimulus oddball task, the amplitude of P3a elicited by deviant stimuli increases with an increase in the difficulty of discriminating between standard and target stimuli (i.e. task-difficulty effect on P3a), indicating that attentional capture by deviant stimuli is enhanced with an increase in task difficu...

journal_title：Neuroreport

authors： Sugimoto F,Kimura M,Takeda Y,Katayama J

更新日期：2017-08-16 00:00:00

abstract：:Kisspeptin is distributed not only in brain areas for regulating reproduction but also in nuclei involved in feeding control. Whether kisspeptin alters food intake is unknown in mice. We examined how kisspeptin-10 influences feeding after intracerebroventricular injection in mice using automated monitoring. Kisspeptin...

journal_title：Neuroreport

authors： Stengel A,Wang L,Goebel-Stengel M,Taché Y

更新日期：2011-03-30 00:00:00

abstract：:Formalin fixation reduces beta-amyloid precursor protein (beta APP) immunoreactivity which restricts its study in archival tissue. Formic acid pretreatment has previously been used in an attempt to overcome this problem, but makes the sections very friable. In the present study, a microwave antigen retrieval method ha...

journal_title：Neuroreport

authors： Sherriff FE,Bridges LR,Jackson P

更新日期：1994-05-09 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：:Inherited retinal degenerations such as retinitis pigmentosa (RP) are characterized by progressive loss of photoreceptors, apparently by apoptosis, and our recent report of increased secreted Frizzled-related protein-2 (SFRP2) in RP retinas suggests altered Wnt signalling may be a component of the degenerative process...

journal_title：Neuroreport

authors： Jones SE,Jomary C,Grist J,Stewart HJ,Neal MJ

更新日期：2000-12-18 00:00:00

abstract：:Papaverine is a non-specific vasodilatory drug, which was found to unexpectedly cause opening of the blood-brain barrier (BBB). We studied the expression of two endothelial cell related markers, endothelial barrier antigen (EBA) as a marker of BBB intactness, and matrix metalloproteinase-9 (MMP-9), an extracellular ma...

journal_title：Neuroreport

authors： Bhattacharjee AK,Kondoh T,Ikeda M,Kohmura E

更新日期：2002-12-03 00:00:00

abstract：:We examined the neural correlates associated with a short gap between two identical pure tones (within-channel) and between two different tones (between-channel) in an odd-ball paradigm. Gap durations were selected such that a gap between identical tones was as discriminable as a gap between two different tones. Spati...

journal_title：Neuroreport

authors： Heinrich A,Alain C,Schneider BA

更新日期：2004-09-15 00:00:00

abstract：:AMPA (EC50 = 1.0 x 10(-6) M) and NMDA (EC50 = 1.3 x 10(-4) M) trigger 45Ca2+ influx in 13-day chick embryonic retinal explants. This agonist-driven cationic flux is specifically inhibited by typical competitive antagonists, such as 6,7-dinitroquinoxaline-2,3-dione (DNQX) and 2-amino-7-phosphonoheptanoate (AP7), respec...

journal_title：Neuroreport

authors： Burgos JS,Barat A,Ramírez G

更新日期：2000-07-14 00:00:00

abstract：:Ascorbate and glutathione (GSH) are the primary water-soluble antioxidants in the CNS. Oxidative stress, sometimes indicated by loss of these antioxidants, has been linked to several clinical and experimental conditions, including cerebral ischemia. These conditions are also gender-linked, with greater incidence or se...

journal_title：Neuroreport

authors： Ferris DC,Kume-Kick J,Russo-Menna I,Rice ME

更新日期：1995-07-31 00:00:00

abstract：:Infection with human immunodeficiency virus (HIV)-1 can lead to neurological complications that range from mild cognitive and motor impairment to HIV-associated dementia (HAD). The mechanism of brain injury and dementia remains poorly understood. Interestingly, post mortem brain specimen from HAD patients and transgen...

journal_title：Neuroreport

authors： Digicaylioglu M,Kaul M,Fletcher L,Dowen R,Lipton SA

更新日期：2004-04-09 00:00:00

abstract：:Abnormal sleep architecture and white matter hyperintensities (WMHs) may be involved in cognitive impairment. There is little evidence on the connections between WMHs and chronic insomnia disorder (CID). Therefore, we evaluated the severity of WMHs and polysomnography parameters as well as cognitive tests to explore t...

journal_title：Neuroreport

authors： Lu S,Song L,Wang D,Zhang X,Lv X,Yin H,Gao Y,Liu X,Tang J

更新日期：2019-06-12 00:00:00

abstract：:The mechanisms underlying the prolonged antidepressant effects after a single infusion of ketamine are only partially understood. Ketamine's half-life of ∼2 h cannot explain antidepressant effects that last for 1 week, suggesting the triggering of long-lasting neuroplasticity. Recent human pharmacokinetics (PK) data i...

journal_title：Neuroreport

authors： Collo G,Cavalleri L,Chiamulera C,Merlo Pich E

更新日期：2018-11-07 00:00:00

abstract：:The neural foundation of age-related declines in prospective memory was explored using event-related brain potentials (ERPs). Consistent with previous research, a decline in the efficiency of prospective memory was observed in older adults that reflected a decrease in veridical prospective responses and an increase in...

journal_title：Neuroreport

authors： West R,Covell E

更新日期：2001-09-17 00:00:00

abstract：:Salidroside (SDS), a phenylpropanoid glycoside isolated from Rhodiola rosea L., has been reported to be neuroprotective in vitro, which raises the possibility of using SDS as a neuroprotective agent after nerve injuries. In the present study, the possibly beneficial effect of SDS on promoting nerve regeneration after ...

journal_title：Neuroreport

authors： Sheng QS,Wang ZJ,Zhang J,Zhang YG

更新日期：2013-03-27 00:00:00

abstract：:The aim of the present study was to examine the effects of nicotinamide, a co-factor in the electron transport chain, on the relationship between methamphetamine (MA)-induced striatal dopamine (DA) depletion and energy metabolism change. Four injections of MA (10 mg/kg, i.p.) at 2 h intervals resulted in decreases of ...

journal_title：Neuroreport

authors： Huang NK,Wan FJ,Tseng CJ,Tung CS

更新日期：1997-05-27 00:00:00

abstract：:In marked contrast to several other species, including rats and humans, leptin gene expression is undetectable in mouse brain. This unexpected finding may reflect unique energy regulation pathways in the mouse. We investigated possible mechanisms by which leptin (ob) gene expression is suppressed in mouse brain: (a) t...

journal_title：Neuroreport

authors： Brown RE,Wilkinson DA,Wilkinson PM,Imran SA,Wilkinson M

更新日期：2012-10-24 00:00:00

abstract：:DNA fragmentation, the hallmark of apoptosis, has been recently investigated with contradictory results in several skeletal muscle disorders. Using in situ labeling of nuclear DNA fragmentation, we have tested the possibility that apoptosis might occur in muscles from patients with mitochondrial respiratory chain defe...

journal_title：Neuroreport

authors： Monici MC,Toscano A,Girlanda P,Aguennouz M,Musumeci O,Vita G

更新日期：1998-07-13 00:00:00

abstract：:Two groups of hemiparkinsonian rats received grafts of embryonic ventral mesencephalon with or without the addition of the NMDA receptor antagonist (+)dizocilpine hydrogen maleate (MK-801). When added to the cell suspension, a 10 microM concentration of MK-801 did not enhance the survival of tyrosine hydroxylase posit...

journal_title：Neuroreport

authors： Schierle GS,Karlsson J,Brundin P

更新日期：1998-05-11 00:00:00

abstract：:Neurotrophic factors such as brain-derived neurotrophic factor (BDNF) are assumed to provide trophic support via a target-derived, retrograde mechanism of action. However, recent studies suggest that neurotrophic factors can act in an autocrine fashion and perhaps even in an anterograde direction similar to neurotrans...

journal_title：Neuroreport

authors： Smith MA,Zhang LX,Lyons WE,Mamounas LA

更新日期：1997-05-27 00:00:00

abstract：:The time course of heat-shock protein 70 (HSP70) transcriptional induction was compared with neuronal- and non-neuronal-specific mRNAs following intrastriatal quinolinate (QA) injection. Within one hour of QA exposure, immediate-early gene (IEG; c-fos) activation preceded slight increases in glutamic acid decaroxylase...

journal_title：Neuroreport

authors： Walker PD,Carlock LR

更新日期：1993-06-01 00:00:00

abstract：:We studied the neural activation associated with the expectancy of emotional stimuli using whole brain fMRI. Fifteen healthy subjects underwent fMRI scanning during which they performed a warned reaction task using emotional pictures carrying pleasant, unpleasant, or neutral content. The task involved an expected or u...

journal_title：Neuroreport

authors： Ueda K,Okamoto Y,Okada G,Yamashita H,Hori T,Yamawaki S

更新日期：2003-01-20 00:00:00

abstract：:Phosphorus magnetic resonance spectroscopy was used to determine effects of acute and chronic alcohol exposure on brain intracellular free magnesium concentration (Mgf) and bioenergetic state in rats. Acute alcohol (3 mg kg-1, i.p.) resulted in a transient ( < 2h) decline in brain Mgf and cytosolic phosphorylation rat...

journal_title：Neuroreport

authors： Mullins PG,Vink R

更新日期：1995-08-21 00:00:00

abstract：:As treatment of ischemic stroke remains a challenge with respect to the failure of numerous neuroprotective attempts, there is an ongoing need for better understanding of pathophysiological mechanisms causing tissue damage. Although ischemic outcomes have been studied extensively at the cellular and molecular level us...

journal_title：Neuroreport

authors： Michalski D,Härtig W,Krueger M,Hobohm C,Käs JA,Fuhs T

更新日期：2015-07-08 00:00:00

abstract：:Transcranial direct current stimulation (tDCS) is a technique for noninvasively stimulating specific cortical regions of the brain with small (<2 mA) and constant direct current on the scalp. tDCS has been widely applied, not only for medical treatment, but also for cognitive and somatosensory function enhancement, mo...

journal_title：Neuroreport

authors： Song M,Shin Y,Yun K

更新日期：2014-12-17 00:00:00

abstract：:The brain-derived neurotrophic factor (BDNF) affects the developing cerebellar granule cells. Exposure of 9-11-day-old primary cultures of rat cerebellar granule neurones for 3 h to a more depolarizing medium (additional 15-30 mM KCl) stimulated the release of glutamate and increased the BDNF mRNAs levels. This BDNF a...

journal_title：Neuroreport

authors： Favaron M,Manev RM,Rimland JM,Candeo P,Beccaro M,Manev H

更新日期：1993-09-03 00:00:00