Post-test apamin injection suppresses a Kamin-like effect following a learning session in mice.

abstract：:To study the penetration of magnesium ions from blood into brain tissue, magnesium content in serum and hippocampus of normal and of excitotoxically affected rats was estimated after a single subcutaneous injection of magnesium sulphate (600 mg kg-1). In normal rats Mg2+ levels in serum rose from 1 to 6 mM, while that...

journal_title：Neuroreport

authors： Rothe F,Wolf G,Fischer S,Hass P,Keilhoff G,Abicht K

更新日期：1993-02-01 00:00:00

abstract：:In dorsal unpaired median (DUM) neurones isolated from the terminal ganglion of the cockroach Periplaneta americana two types of Ca2+ currents were found: a transient one activated by lower depolarizations (LVA) and a sustained one activated by higher voltage jumps (HVA). Both currents were strongly reduced by 100 mic...

journal_title：Neuroreport

authors： Wicher D,Penzlin H

更新日期：1994-05-09 00:00:00

abstract：:To study the number cognition process, we recorded event-related potentials (ERPs) in 14 subjects when they were indicating whether a number pair was the same or not. The two numbers given in sequence were either the same (condition 1) or different (condition 2). After 270 ms following the onset of the second stimulus...

journal_title：Neuroreport

authors： Kong J,Wang Y,Zhang W,Wang H,Wei H,Shang H,Yang X,Zhuang D

更新日期：2000-04-27 00:00:00

abstract：:Epidemiological data show correlations between hypercholesterolemia and Alzheimer's disease (AD). We test the hypothesis that hypercholesterolemia modulates Abeta deposition in mice overexpressing the human APP695 Swedish mutation (K670N and M671L) (TgAPPsw). Feeding mice a high fat/high cholesterol (HFHC) diet for 7-...

journal_title：Neuroreport

authors： Shie FS,Jin LW,Cook DG,Leverenz JB,LeBoeuf RC

更新日期：2002-03-25 00:00:00

abstract：:Using cRNA in situ hybridization, the regional distribution of mRNA encoding the human Y1 receptor was investigated in the normal human brain and compared with the autoradiographic distribution of putative Y1/[125I][Leu31,Pro34]PYY binding sites. Surprisingly, relatively high levels of Y1 receptor mRNA, distributed in...

journal_title：Neuroreport

authors： Jacques D,Tong Y,Dumont Y,Shen SH,Quirion R

更新日期：1996-04-10 00:00:00

abstract：:Pronouns are commonly used instead of explicitly repeating a name, and, in many cases, we comprehend language faster when pronouns are used instead of repetitive references. This is surprising because pronouns are often ambiguous, whereas repeated names provide precise reference. We used functional MRI to investigate ...

journal_title：Neuroreport

authors： Almor A,Smith DV,Bonilha L,Fridriksson J,Rorden C

更新日期：2007-08-06 00:00:00

abstract：:Brain membrane phospholipid fatty acid composition is investigated in Alzheimer's disease using fresh pathologically proven autopsy material. The most striking abnormalities in Alzheimer brains compared to age-matched controls are found in the n - 6 line of polyunsaturated fatty acids (PUFA) showing an elevation of 18...

journal_title：Neuroreport

authors： Nakada T,Kwee IL,Ellis WG

更新日期：1990-10-01 00:00:00

abstract：:Human scalp EEG has demonstrated that global coherence among distant areas increases during cognitive tasks, suggesting that oscillating neural activities work to generate global neuronal assemblies for cognitive functions. The theta oscillation in a frequency range of 4-8 Hz with large amplitudes which emerges during...

journal_title：Neuroreport

authors： Mizuhara H,Wang LQ,Kobayashi K,Yamaguchi Y

更新日期：2004-06-07 00:00:00

abstract：:This study describes gamma-imaging of the secondary tumors from the transplanted human fetal striatum neural stem cells-derived primary tumor cells in nude mice. The subcutaneous primary tumors were detected to express integrin alphavbeta3, and the corresponding cells were isolated and enriched in vitro, then transpla...

journal_title：Neuroreport

authors： He Q,Liu Z,Jia B,Li X,Shi J,Zhang J,Lan F,Yang Z,Liu Y,Shen L,Wang F

更新日期：2008-07-02 00:00:00

abstract：:Cyclooxygenase (COX)-2 is constitutively expressed in the superficial dorsal horn of the spinal cord, but its role in the spinal cord is still unclear. We examined the effect of intrathecally administered NS398, a selective COX-2 inhibitor and indomethacin, an non-selective COX-1 and COX-2 inhibitor, on the developmen...

journal_title：Neuroreport

authors： Yamamoto T,Sakashita Y

更新日期：1998-12-01 00:00:00

abstract：:The slow compensatory phases of the vestibulo-ocular reflex (VOR) in the rabbit tend to drift and the drift reverses the direction. This periodic alternating drift (PAD) has two peculiar characteristics: (1) it is induced by sinusoidal vestibular stimulation in naive animals, being evoked immediately after stimulus on...

journal_title：Neuroreport

authors： Ferraresi A,Azzena GB,Troiani D

更新日期：2001-07-03 00:00:00

abstract：:Inflammatory and immune responses are known to be involved in the pathogenesis of Alzheimer's disease (AD). NF-kappaB is a major transcription factor that plays a central role in the inflammatory and immune responses and is regulated by I-kappaB through an autoregulatory feedback system. Southwestern immunohistochemis...

journal_title：Neuroreport

authors： Yoshiyama Y,Arai K,Hattori T

更新日期：2001-08-28 00:00:00

abstract：:We examined the positioning of human retinotopic areas, which were considered to be homologous with the macaque visual cortices, by applying computational geometry to MRI and fMRI data sets. We found a similarity between the positional relationship of the retinotopic areas in the human and macaque visual cortex, despi...

journal_title：Neuroreport

authors： Ejima Y,Takahashi S

更新日期：2005-01-19 00:00:00

abstract：:Adult male hamsters and rats were reared for 2 months in either an isolated condition (IC) or a social condition (SC). The lengths of synaptic active zones (SAZ) of synapses in the granule cell layer of the accessory olfactory bulb were measured as an indicator of synaptic size in perforated and non-perforated synapse...

journal_title：Neuroreport

authors： Matsuoka M,Mori Y,Ichikawa M

更新日期：1996-10-02 00:00:00

abstract：:Acute arthritis is associated with pain-related behavior, joint swelling and increased joint temperature. Arthritic animals exhibit a significant decrease in paw withdrawal latency 4, 5, 6, 7 and 8 h after induction of inflammation, when compared with baseline values, indicative of secondary hyperalgesia. Intra-articu...

journal_title：Neuroreport

authors： Lawand NB,Willis WD,Westlund KN

更新日期：1997-03-03 00:00:00

abstract：:We examined covert and overt orienting in response to non-predictive gaze direction cues and investigated whether the subcortical superior colliculus (SC) plays a role in this type of orienting. Participants viewed a centrally presented gazing schematic face and responded to targets appearing at gazed-at or non-gazed-...

journal_title：Neuroreport

authors： Friesen CK,Kingstone A

更新日期：2003-03-03 00:00:00

abstract：:Voltage-dependent outward currents were examined in CA1 neurones by whole-cell recording in slices. Nine cells were recorded with the 'standard' internal solution (KMeSO4, HEPES, EGTA, CaCl2, and MgCl2) and held a potential (-54 +/- 3 mV) at which there was no significant outward current. Cromakalim (CROM, 100 microM)...

journal_title：Neuroreport

authors： Erdemli G,Krnjević K

更新日期：1994-06-27 00:00:00

abstract：:Hydroxyindole-O-methyltransferase (HIOMT), is the last enzyme of the melatonin biosynthesis pathway. We have applied immunocytochemistry and in situ hybridization to localize HIOMT producing cells, in the chicken epithalamus including the pineal gland. The selectivity of the hybridization signal over melatoninergic ce...

journal_title：Neuroreport

authors： Grève P,Bernard M,Voisin P,Cogné M,Collin JP,Guerlotte J

更新日期：1993-06-01 00:00:00

abstract：:DNA methylation is important for controlling gene expression and is catalyzed by DNA methyltransferase (Dnmt1) an enzyme abundant in brain. We recently demonstrated that mice expressing reduced levels of Dnmt1 are protected from cerebral ischemia. Here, we used the cre/loxP system to produce conditional mutants that l...

journal_title：Neuroreport

authors： Endres M,Fan G,Meisel A,Dirnagl U,Jaenisch R

更新日期：2001-12-04 00:00:00

abstract：:Oleic acid, a cis-unsaturated free fatty acid, is proposed to be involved in the protein kinase C (PKC) activation pathway. Its biological actions, however, have not been well-characterized. We examined the effects of oleic acid on acetylcholine (ACh)-gated channel currents using Torpedo nicotinic ACh receptors expres...

journal_title：Neuroreport

authors： Nishizaki T,Ikeuchi Y,Matsuoka T,Sumikawa K

更新日期：1997-02-10 00:00:00

abstract：:Event-related potentials(ERPs) were measured while subjects were constructing mental images of a letter of the alphabet. Following presentation of an uppercase letter, subjects were asked to form a mental image of the same letter in lower case, and determine whether or not it had an ascending or descending stroke (asc...

journal_title：Neuroreport

authors： Yamamoto S,Mukai H

更新日期：1998-10-26 00:00:00

abstract：:Primate vision consists mostly of periods of stable fixation separated by rapid saccadic eye movements. Each saccade brings a new scene onto the retina, and each new scene results in a burst of activity in the neurons of visual cortex. It might be expected that the activity of these neurons should only represent what ...

journal_title：Neuroreport

authors： Gawne TJ,Woods JM

更新日期：2003-01-20 00:00:00

abstract：:ErbBs are a family of receptors involved in the trophic maintenance of Schwann cells. Little is known about their expression changes during peripheral nerve regeneration. The aim of this study was thus to investigate variations in ErbBs after end-to-end and end-to-side nerve regeneration in the rat median nerve model....

journal_title：Neuroreport

authors： Audisio C,Nicolino S,Scevola A,Tos P,Geuna S,Battiston B,Perroteau I

更新日期：2008-10-29 00:00:00

abstract：:Extrasynaptic transmission is mediated by the diffusion of transmitters, through the extracellular space (ECS) to receptors on neurons and glia. The three-dimensional diffusion of tetramethylammonium (mol. wt 74.1 kDa) was investigated in the isolated rat spinal cord at postnatal days 4-20. The diffusion parameters of...

journal_title：Neuroreport

authors： Prokopová S,Vargová L,Syková E

更新日期：1997-11-10 00:00:00

abstract：:The primate pulvinar connects with the entire array of known visual areas and is postulated to play a role in selective visual attention. Recently, five separate neurochemical subdivisions of a region termed the inferior pulvinar (PI) complex were identified in monkeys. In the present study, similar histochemical proc...

journal_title：Neuroreport

authors： Cola MG,Gray DN,Seltzer B,Cusick CG

更新日期：1999-12-16 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：:This study is to explore the involvement of muscarinic acetylcholine receptors/protein kinase C cascade and the mitogen-activated protein kinase pathway in the effect of huperzine A on the secretory amyloid precursor protein-alpha. Upregulation of secretory amyloid precursor protein-alpha by huperzine A was attenuated...

journal_title：Neuroreport

authors： Yan H,Zhang HY,Tang XC

更新日期：2007-05-07 00:00:00

abstract：:In the visual modality adaptation to high temporal frequency can result in spatially localized apparent duration compression. The principal point of adaptation is thought to be early in the visual system, at which point temporal information is encoded within sustained (parvocellular) and transient (magnocellular) chan...

journal_title：Neuroreport

authors： Watanabe J,Amemiya T,Nishida S,Johnston A

更新日期：2010-09-15 00:00:00

abstract：:Segmental ligation of spinal nerves in the rat induces a long-lasting hyperalgesia and allodynia that mimicks neuropathic conditions in humans. In the present study we attempted to determine whether supraspinal NMDA receptors contribute to the induction of the long-lasting hypersensitivity to noxious and innocuous mec...

journal_title：Neuroreport

authors： Wei H,Pertovaara A

更新日期：1999-09-29 00:00:00

abstract：:Decoding verbal and nonverbal emotional expressions is an important part of speech communication. Although various studies have tried to specify the brain regions that underlie different emotions conveyed in speech, few studies have aimed to specify the time course of emotional speech decoding. We used event-related p...

journal_title：Neuroreport

authors： Paulmann S,Kotz SA

更新日期：2008-01-22 00:00:00