Effects of Panax notoginseng saponin on α, β, and γ secretase involved in Aβ deposition in SAMP8 mice.

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：:Two monkeys were trained to perform wrist movements to align a pointer with visual targets. In the spatially 'compatible' condition, monkeys had to point at the target position (left/right), whereas in the 'incompatible' condition, they had to point at the position opposite to the target. A large proportion of neurone...

journal_title：Neuroreport

authors： Riehle A,Kornblum S,Requin J

更新日期：1994-12-20 00:00:00

abstract：:We have studied the distribution of mGluR2/3 in the mouse superior colliculus (SC) with antibody immunocytochemistry and the effect of enucleation on this distribution. We also compared this labeling to that for calbindin D28K. Anti-mGluR2/3-immunoreactive (IR) cells formed distinctive laminar patterns within the lowe...

journal_title：Neuroreport

authors： Kim MA,Jeon CJ

更新日期：1999-04-26 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：:Since the characterization of orphanin FQ (OFQ), the endogenous ligand of ORL1 receptor, much work has focused on its physiological functions. OFQ was reported to antagonize the effect of opioid-induced antinociception, although its mechanism remains obscure. In the present study, whole-cell patch clamp recording tech...

journal_title：Neuroreport

authors： Zhang M,Sun QL,Wan Y,Yao L,Yu YX,Han JS

更新日期：1998-06-22 00:00:00

abstract：:We aimed to ascertain whether pyrethroid insecticides could influence the vesicular transport of the excitatory amino acid glutamate. The incubation of rat cortical synaptic vesicles with resmethrin and permethrin, consistently stimulated both ATP-dependent and -independent uptake of [3H]glutamate, while not evoking d...

journal_title：Neuroreport

authors： Vaccari A,Ruiu S,Mocci I,Saba P

更新日期：1998-10-26 00:00:00

abstract：:The amounts of three adenylyl cyclase (AC) subtypes in membranes from brain obtained post-mortem from patients with dementia of Alzheimer type (DAT) and controls were studied by Western blotting using polyclonal antibodies. AC subtypes were characterized by preabsorption by complementary peptides, species difference, ...

journal_title：Neuroreport

authors： Yamamoto M,Ozawa H,Saito T,Frölich L,Riederer P,Takahata N

更新日期：1996-11-25 00:00:00

abstract：:Some of the most extensively used fluorophores for multicolour fluorescence labelling of tissue, such as Lucifer yellow, fluorescein, Cyanine-3.18 and rhodamine, all have the disadvantage of being difficult to separate spectrally due to their broad and overlapping emission spectra. With the intensity-modulated multipl...

journal_title：Neuroreport

authors： Carlsson K,Ulfhake B

更新日期：1995-05-30 00:00:00

abstract：:Inhibitory deficits are one of the predominant causes of cognitive aging. This study examined age-related changes in response inhibition. In this study, young and older participants performed a bimanual/bipedal response inhibition task while we measured their brain activity via functional near-infrared spectroscopy. P...

journal_title：Neuroreport

authors： Kawai N,Nakata R,Kubo-Kawai N

更新日期：2020-10-07 00:00:00

abstract：:While dopamine mechanisms play a crucial role in cocaine-taking behavior, the contribution of endogenous opioid systems is less clear. We assessed the effects of opioid receptor blockade by naloxone (1 mg/kg, s.c.) on the daily performance and subsequent initiation of cocaine self-administration in trained rats. Nalox...

journal_title：Neuroreport

authors： Kiyatkin EA,Brown PL

更新日期：2003-02-10 00:00:00

abstract：:Oculopharyngeal muscular dystrophy (OPMD) is an autosomal dominant muscular dystrophy characterized by late onset ptosis, proximal muscle weakness and swallowing difficulties. This disease has been recently linked to chromosome 14q11.2-q13 in French-Canadian pedigrees. We studied three unrelated American families with...

journal_title：Neuroreport

authors： Grewal RP,Cantor R,Turner G,Grewal RK,Detera-Wadleigh SD

更新日期：1998-04-20 00:00:00

abstract：:The human kallikrein gene family consists of 15 serine proteases. We examined the expression of the kallikrein genes in human cerebral cortex and hippocampus by RT-PCR and compared their expression between Alzheimer's disease (AD) and control tissue. KLK1, 4, 5, 6, 7, 8, 10, 11, 13 and 14 are expressed in both cerebra...

journal_title：Neuroreport

authors： Shimizu-Okabe C,Yousef GM,Diamandis EP,Yoshida S,Shiosaka S,Fahnestock M

更新日期：2001-08-28 00:00:00

abstract：:We examined the effect of an AMPA (alpha-amino-3-hydroxy-5-methyl-4-isoxazole) antagonist, 2,3-dihydroxy-6-nitro-7-sulfamoyl-benzo (F) quinoxaline (NBQX), on rat cerebellar Purkinje cell loss and hippocampal pyramidal CA1 cell loss, after 10 minutes of global cerebral ischemia. NBQX was given intraperitoneally in a do...

journal_title：Neuroreport

authors： Balchen T,Diemer NH

更新日期：1992-09-01 00:00:00

abstract：:In Purkinje cells from cerebellar slice cultures, low-threshold Ca spike (LTS) gives rise to complex bursts in the soma that resemble the complex spike induced by climbing fibers stimulation. We show that LTS is reduced by T-type and R-type Ca channel blockers (SNX-482, nickel, or mibefradil). We propose that LTS is g...

journal_title：Neuroreport

authors： Cavelier P,Lohof AM,Lonchamp E,Beekenkamp H,Mariani J,Bossu JL

更新日期：2008-02-12 00:00:00

abstract：:Plasticity in the central nervous system may play an important role in clinical pain. The present study shows that long-term potentiation (LTP) may be induced in single wide dynamic range (WDR) neurons in the dorsal horn after high-frequency stimulation of the sciatic nerve in intact urethane anaesthetized rats. Extra...

journal_title：Neuroreport

authors： Svendsen F,Tjølsen A,Hole K

更新日期：1997-11-10 00:00:00

abstract：:Neuronal interferon-gamma (N-IFN-gamma), recently isolated from the nervous system, has a molecular weight distinct from that of lymphocyte-derived IFN-gamma, but crossreacts immunologically and shares certain bioactivities with this cytokine. In the rat brain N-IFN-gamma-immunoreactive perikarya were concentrated in ...

journal_title：Neuroreport

authors： Bentivoglio M,Florenzano F,Peng ZC,Kristensson K

更新日期：1994-12-20 00:00:00

abstract：:Resident microglial cells contribute to activation and expansion of T cells under inflammatory conditions within the CNS. However, there is no evidence how interactions between microglia and T cells affect CNS inflammation. We evaluated the effect of glial cell-derived dendritic cells (GC-DC) in expanding and eliminat...

journal_title：Neuroreport

authors： Xu LY,Yang JS,Xiao BG

更新日期：2002-01-21 00:00:00

abstract：:Slices of hippocampus were incubated with Arg-Gly-Asp (RGD) peptides known to block members of the integrin class of matrix receptors. Though the peptides caused no detectable difference in the amount of long-term potentiation (LTP) expressed in the CA1 field 1-2 min after induction with high frequency stimulation, th...

journal_title：Neuroreport

authors： Xiao P,Bahr BA,Staubli U,Vanderklish PW,Lynch G

更新日期：1991-08-01 00:00:00

abstract：:GPR39, an orphan G protein-coupled receptor, has been recently identified as the receptor for the bioactive peptide obestatin. Obestatin is secreted from the stomach and acts as an anti-appetite hormone. This activity is induced whether obestatin is administered intraperitoneally or intracerebroventricularly. GPR39 is...

journal_title：Neuroreport

authors： Jackson VR,Nothacker HP,Civelli O

更新日期：2006-05-29 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：:We describe the use of an immunoblotting technique to investigate the potential role of reaction oxygen species in the pathogenesis of Duchenne muscular dystrophy. Quadriceps femoris muscle biopsy samples were obtained from six patients with Duchenne and six with Becker muscular dystrophy, and from six control subject...

journal_title：Neuroreport

authors： Haycock JW,Mac Neil S,Mantle D

更新日期：1998-07-13 00:00:00

abstract：:Prior research with rodent models, performed predominantly in males, has demonstrated a significant association between focal neocortical malformations (e.g. ectopias and microgyria) and rate-specific auditory processing deficits. In the current study and consistent with prior findings, we report that ectopic male BXS...

journal_title：Neuroreport

authors： Peiffer AM,Rosen GD,Fitch RH

更新日期：2002-12-03 00:00:00

abstract：:Hypoxia or global ischemia causes rapid loss of consciousness and a sudden increase in spontaneous transmitter release suggesting that coordinated synaptic activity is impaired. Gamma oscillations (30-100 Hz) are thought to provide for binding of parallel processed information in the brain, contributing to cognition a...

journal_title：Neuroreport

authors： Fano S,Behrens CJ,Heinemann U

更新日期：2007-11-19 00:00:00

abstract：:Although prenatal stress has been repeatedly shown to inhibit adult neurogenesis in the dentate gyrus of offspring, its effects on embryonic and early postnatal brain development are not well described. Here, using the cell proliferation marker 5-bromo-2'-deoxyuridine, we examine for the first time the effect of prena...

journal_title：Neuroreport

authors： Kawamura T,Chen J,Takahashi T,Ichitani Y,Nakahara D

更新日期：2006-10-02 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：:High homocysteine serum level has been regarded as one of the important factors that influence the development of schizophrenia. Genetic variations of methylenetetrahydrofolate reductase, which is a main enzyme reducing homocysteine level, are reported in schizophrenic patients. We measured the serum level of homocyst...

journal_title：Neuroreport

authors： Lee YS,Han DH,Jeon CM,Lyoo IK,Na C,Chae SL,Cho SC

更新日期：2006-05-15 00:00:00

abstract：:The role of the medial septum in suppressing paradoxical sleep and promoting slow wave sleep was suggested on the basis of neurotoxic lesion studies. However, these conclusions need to be substantiated with further experiments, including chemical stimulation studies. In this report, the medial septum was stimulated in...

journal_title：Neuroreport

authors： Mukherjee D,Kaushik MK,Jaryal AK,Kumar VM,Mallick HN

更新日期：2012-05-09 00:00:00

abstract：:We recorded multiple unit activities of the CA1 region of the intermediate hippocampus and prelimbic area of the prefrontal cortex, and evoked responses in the prefrontal cortex by hippocampal stimulation in urethane-anesthetized rats. The multiple unit activities between these regions showed significant peaks of cros...

journal_title：Neuroreport

authors： Fujiwara SE,Akema T,Izaki Y

更新日期：2010-10-27 00:00:00

abstract：:All-night recordings of respiration, ballistocardiogram, and body movements were obtained using the static charge-sensitive bed (SCSB) and automatically analysed data were compared with sleep stages. The mean sum of eight SCSB variability parameters was lowest in slow wave sleep (SWS), higher during stage 2 (S2), and ...

journal_title：Neuroreport

authors： Kaartinen J,Erkinjutti M,Rauhala E

更新日期：1996-04-10 00:00:00

abstract：:1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP) neurotoxicity reproduces many of the features of Parkinson's disease (PD). alpha-Synuclein has been identified as a prominent component of the Lewy body (LB), the pathological hallmark of PD. MPTP-treated primates have been reported to develop intraneuronal inclusion...

journal_title：Neuroreport

authors： Kowall NW,Hantraye P,Brouillet E,Beal MF,McKee AC,Ferrante RJ

更新日期：2000-01-17 00:00:00