Metformin reduces neuronal damage and promotes neuroblast proliferation and differentiation in a cerebral ischemia/reperfusion rat model.

abstract：:Fragile X syndrome is a neurodevelopmental disorder caused by a trinucleotide (CGG) hyperexpansion in the FMR1 gene, functionally silencing transcription of the fragile X mental retardation protein (FMRP). This disorder is characterized by impaired cognition, communication, and social behavior. The aim of this study w...

journal_title：Neuroreport

authors： Reynolds CD,Nolan SO,Jefferson T,Lugo JN

更新日期：2016-12-14 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：:We investigated the effects of chemical hypoxia on the central pattern generator controlling swimming in stage 42 Xenopus laevis larvae. We recorded motoneuron activity from ventral roots of immobilized tadpoles and evoked swim episodes by brief electrical stimulation of the tail skin. In the presence of the metabolic...

journal_title：Neuroreport

authors： Robertson RM,Björnfors ER,Sillar KT

更新日期：2010-10-06 00:00:00

abstract：:Approximately 30% of patients with fatal head injuries have deposits of amyloid beta-protein (A beta); these are predominantly individuals carrying the epsilon 4 allele of apolipoprotein E (apoE). A beta deposition occurs in Alzheimer's disease (AD), for which approximately 50% of the genetic risk is attributed to apo...

journal_title：Neuroreport

authors： Zunarelli E,Nicoll JA,Graham DI

更新日期：1996-12-20 00:00:00

abstract：:The effect of olfactory deprivation on cellular expression of the Bcl-2 gene in the olfactory bulb of young rats was investigated. Restriction of olfactory stimuli caused an overall increase in Bcl-2 mRNA expression, with increases seen in the lateral aspects of glomerular, external plexiform, mitral and granule cell ...

journal_title：Neuroreport

authors： Najbauer J,Ibrahim E,Leon M

更新日期：1995-12-29 00:00:00

abstract：:Deficiencies of Ca2+ homeostasis are proposed to play an important role in neuronal ageing and/or neurodegeneration. The aim of this study was to investigate, in a defined neuronal population, primary cerebellar granule neuron culture, the time-dependent changes in Ca2+ homeostasis and compare them with data obtained ...

journal_title：Neuroreport

authors： Toescu EC,Verkhratsky A

更新日期：2000-11-27 00:00:00

abstract：:In situ hybridization and Northern blotting were used to study the expression of brain-derived neurotrophic factor (BDNF) mRNA in the rat brain following photochemical stroke. A focal thrombotic lesion of the sensorimotor cortex was produced by intravenously injecting the light-sensitive dye rose bengal and exposing t...

journal_title：Neuroreport

authors： Comelli MC,Seren MS,Guidolin D,Manev RM,Favaron M,Rimland JM,Canella R,Negro A,Manev H

更新日期：1992-06-01 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：:The role of dopamine D1A receptors in mediating amphetamine-induced sensitization was investigated using the D1A-deficient mouse. During the drug pre-exposure phase, D1A-deficient and control mice were injected for five consecutive days with saline or amphetamine (2 mg/kg, i.p.). Locomotor activity was measured on the...

journal_title：Neuroreport

authors： Crawford CA,Drago J,Watson JB,Levine MS

更新日期：1997-07-28 00:00:00

abstract：:Music is an essential communication tool that can convey emotional information. Segmentation of a sound stream of music at event boundaries is necessary for identification and extraction of musical context and features. To investigate recognition of music termination structure, or cadence, we composed music sequences ...

journal_title：Neuroreport

authors： Hoshi-Shiba R,Furukawa K,Okanoya K

更新日期：2014-07-09 00:00:00

abstract：:Early left-hemispheric brain lesions may lead to a reorganization of language into the right hemisphere. Language functions are consecutively spared, but visuospatial functions show slight deficits. Cortical 'crowding' of the right hemisphere has been suggested as an explanation for this effect, but no direct evidence...

journal_title：Neuroreport

authors： Lidzba K,Staudt M,Wilke M,Grodd W,Krägeloh-Mann I

更新日期：2006-06-26 00:00:00

abstract：:Reorganization of motor execution and imagination networks was studied in six patients with unilateral dystonia secondary to a subcortical stroke and compared with seven control subjects using fMRI. Patients performed imagined and real auditory-cued hand movements. Movements of the dystonic hand resulted in overactivi...

journal_title：Neuroreport

authors： Lehéricy S,Gerardin E,Poline JB,Meunier S,Van de Moortele PF,Le Bihan D,Vidailhet M

更新日期：2004-08-26 00:00:00

abstract：:We recently reported behavioral improvements following intrastriatal transplantation of cryopreserved cultured human neuroteratocarcinoma-derived cells (hNT neurons) in rats with cerebral ischemia induced by occlusion of the middle cerebral artery. In the present study, the viability and survival of hNT neurons were e...

journal_title：Neuroreport

authors： Borlongan CV,Saporta S,Poulos SG,Othberg A,Sanberg PR

更新日期：1998-08-24 00:00:00

abstract：:The potent and selective AMPA receptor antagonist NBQX was tested for cytoprotective properties in an adult rat model of transient focal neocortical ischemia. Nineteen spontaneously hypertensive rats sustained 2 h of middle cerebral artery occlusion, followed by 22 h of recirculation. Ninety minutes following the onse...

journal_title：Neuroreport

authors： Buchan AM,Xue D,Huang ZG,Smith KH,Lesiuk H

更新日期：1991-08-01 00:00:00

abstract：:Upon perfusion with Mg2+-free artificial cerebrospinal fluid (ACSF) organotypic hippocampal slice cultures develop seizure-like events and tonic recurrent discharges in which areas CA3 and CA1 and, in contrast to acute slices, also the dentate gyrus (DG) participate. Using the fluorescent dye propidium iodide (PI) we ...

journal_title：Neuroreport

authors： Kovács R,Gutiérrez R,Kivi A,Schuchmann S,Gabriel S,Heinemann U

更新日期：1999-02-05 00:00:00

abstract：:Depression is present in a large proportion of patients suffering from chronic pain, and yet the underlying mechanisms remain to be elucidated. Neuroligins (NLs), as a family of cell-adhesion proteins, are involved in synaptic formation and have been linked to various neuropsychiatric disorders. Here, we studied the a...

journal_title：Neuroreport

authors： Pan W,Zhang GF,Li HH,Ji MH,Zhou ZQ,Li KY,Yang JJ

更新日期：2018-07-04 00:00:00

abstract：:Systemic administration of DL-fenfluramine (20 mg kg-1), an indirect serotonergic agonist, induced widespread FOS-like protein in the rat caudate putamen (CPu), paraventricular nucleus (PVn) of the hypothalamus and several intralaminar thalamic nuclei. To ascertain whether the dopaminergic nigrostriatal system coordin...

journal_title：Neuroreport

authors： Torres G

更新日期：1995-08-21 00:00:00

abstract：:Animal models suggest that the asymmetry of monocular optokinetic nystagmus (OKN) in young infants can be explained by a direct pathway from retina to the midbrain nucleus of the optic tract. However, earlier studies with hemispherectomized infants showed no evidence for OKN responses towards the damaged cortex that c...

journal_title：Neuroreport

authors： Morrone MC,Atkinson J,Cioni G,Braddick OJ,Fiorentini A

更新日期：1999-09-09 00:00:00

abstract：:The whole-cell patch clamp technique was used to investigate the actions of the opioid agonist U50488H on Ca2+ and K+ currents in differentiated NG108-15 cells. U50488H (5-50 microM) caused a concentration-dependent, reversible inhibition of high voltage-activated Ca2+ currents which persisted in the presence of nifed...

journal_title：Neuroreport

authors： Carpenter E,Gent JP,Peers C

更新日期：1996-07-29 00:00:00

abstract：:This study examined the effects of cocaine HCl and ambient temperature on the core body temperature of the rat. To further examine the mechanisms of cocaine-induced changes in temperature regulation, the effects of cocaine on behavioral thermoregulatory responses were also observed. At normal room temperature (20 degr...

journal_title：Neuroreport

authors： Gonzalez LP

更新日期：1993-01-01 00:00:00

abstract：:Deficits in auditory sensory memory at the electrophysiological level as indexed by mismatch negativity and those in auditory verbal memory at the neuropsychological level have been independently demonstrated in previous studies of schizophrenia. We predicted a specific association between these indices in schizophren...

journal_title：Neuroreport

authors： Kawakubo Y,Kasai K,Kudo N,Rogers MA,Nakagome K,Itoh K,Kato N

更新日期：2006-07-17 00:00:00

abstract：:Dysfunctional glutamate neurotransmission has been implicated in the pathophysiology of schizophrenia. Abnormal expressions in schizophrenia of ionotropic glutamate receptors (iGluRs) and the proteins that regulate their trafficking have been found to be region and subunit specific in brain, suggesting that abnormal t...

journal_title：Neuroreport

authors： Tucholski J,Simmons MS,Pinner AL,McMillan LD,Haroutunian V,Meador-Woodruff JH

更新日期：2013-08-21 00:00:00

abstract：:Olfactory cues can elicit intense emotional responses. This study used fMRI in male common marmoset monkeys to identify brain areas associated with sexual arousal in response to odors of ovulating female monkeys. Under light anesthesia, monkeys were secured in a specially designed restrainer and positioned in a 9.4 T ...

journal_title：Neuroreport

authors： Ferris CF,Snowdon CT,King JA,Duong TQ,Ziegler TE,Ugurbil K,Ludwig R,Schultz-Darken NJ,Wu Z,Olson DP,Sullivan JM Jr,Tannenbaum PL,Vaughan JT

更新日期：2001-07-20 00:00:00

abstract：:To define the significance of glutamate ionotropic receptors in sPLA -mediated neuronal cell death we used the NMDA receptor antagonist MK-801 and the AMPA receptor antagonist PNQX. In primary neuronal cell cultures both MK-801 and PNQX inhibited sPLA - and glutamate-induced neuronal death. [ H]Arachidonic acid releas...

journal_title：Neuroreport

authors： Kolko M,de Turco EB,Diemer NH,Bazan NG

更新日期：2002-10-28 00:00:00

abstract：:Topiramate is a structurally novel neurotherapeutic agent with a unique combination of pharmacological properties and currently is available in most world markets for treating several seizure disorders. Because its pharmacological profile was suggestive of possible activity as a neuroprotectant, topiramate was evaluat...

journal_title：Neuroreport

authors： Smith-Swintosky VL,Zhao B,Shank RP,Plata-Salaman CR

更新日期：2001-04-17 00:00:00

abstract：:In this study, we examined the expression of insulin-like growth factor I (IGF-I) and its receptor (IGF-IR) in dorsal root ganglia (DRG) neurons in two rodent models of nerve injury: sciatic nerve axotomy and streptozotocin-induced (STZ) painful diabetic neuropathy. We demonstrate that IGF-I and its receptor are prefe...

journal_title：Neuroreport

authors： Craner MJ,Klein JP,Black JA,Waxman SG

更新日期：2002-09-16 00:00:00

abstract：:The purpose of this study was to determine whether the system that underlies the mismatch negativity (MMN) of event-related potentials would operate on the basis of objects if stimuli were delivered in such a way as to create the impression of two objects. To this end, tones were alternated between ears with one combi...

journal_title：Neuroreport

authors： Ritter W,Sussman E,Molholm S

更新日期：2000-01-17 00:00:00

abstract：:Compartmental models of thalamic reticular (RE) neurons were investigated based on current-clamp and voltage-clamp data. Spontaneous oscillations in the model arise from the interaction between inhibitory synaptic currents and the rebound burst of RE cells. These oscillations critically depend on the level of the rest...

journal_title：Neuroreport

authors： Destexhe A,Contreras D,Sejnowski TJ,Steriade M

更新日期：1994-11-21 00:00:00

abstract：:Human somatosensory evoked potentials (SEP) contain high-frequency (600 Hz) wavelet bursts possibly reflecting repetitive population spikes in thalamocortical axons and/or postsynaptic responses. To dissociate thalamic and cortical burst components the recovery of intrathalamic SEP (derived from electrodes implanted f...

journal_title：Neuroreport

authors： Klostermann F,Funk T,Vesper J,Siedenberg R,Curio G

更新日期：2000-04-27 00:00:00

abstract：:In order to assess effects of glucagon-like peptide-1 (GLP-1) in the brain excluding the hypothalamus, the effects of GLP-1 (7-36) amide, a naturally produced active fragment, on the electroencephalogram and hippocampal single unit activities of anesthetized male Wistar rats were examined. I.c.v. injection of GLP-1 (7...

journal_title：Neuroreport

authors： Oka JI,Goto N,Kameyama T

更新日期：1999-06-03 00:00:00