Lower dopamine transporter binding potential in striatum during depression.

abstract：:There is disagreement in the literature as to whether smooth pursuit latency is reduced when a temporal gap is introduced between the extinction of a central fixation target and the illumination of an eccentric moving target. This study confirms that in human subjects smooth pursuit latency is reduced by gaps and that...

journal_title：Neuroreport

authors： Knox PC

更新日期：1998-03-30 00:00:00

abstract：:We examined the protective effects of N-acetylcysteine (NAC) on the death of glia-free neurons in culture. Under normoxic conditions, the protection by NAC was observed only in cystine-free but not complete medium. When the cells were cultured under hypoxic conditions, NAC much elongated their survival even in the pre...

journal_title：Neuroreport

authors： Sagara J,Bannai S,Shikano N,Makino N

更新日期：2010-04-21 00:00:00

abstract：:The aim of this study was to identify differences in structural and functional brain connectivity between poststroke mild and severe motor impairment. Twenty-four chronic stroke patients who underwent resting-state functional MRI and diffusion tensor image were retrospectively included. All patients were classified in...

journal_title：Neuroreport

authors： Lee JH,Kyeong S,Kang H,Kim DH

更新日期：2019-05-01 00:00:00

abstract：:Injury and diseases of the nervous system can induce astrocytes to form tenacious glial scars. We induced focal cortical freeze-lesions in neonatal rats and examined scars histologically and electrophysiologically in tissue slices isolated 2-3 weeks after lesioning. Lesions displayed marked gliosis, characterized by u...

journal_title：Neuroreport

authors： Bordey A,Hablitz JJ,Sontheimer H

更新日期：2000-09-28 00:00:00

abstract：:Echo-Planar functional magnetic resonance imaging (EP-fMRI) was used to study the activity of the amygdala while three normal female subjects viewed alternating blocks of affectively neutral and affectively negative still pictures. Bilateral activation in the amygdala that was significantly correlated with the changin...

journal_title：Neuroreport

authors： Irwin W,Davidson RJ,Lowe MJ,Mock BJ,Sorenson JA,Turski PA

更新日期：1996-07-29 00:00:00

abstract：:Recent studies have shown the nutrient-sensing systems transmitting nutritive information from the gut to the brain. However neural activity evoked by ingested dietary nutrients has not been investigated adequately. Using functional magnetic resonance imaging, we demonstrated that rat forebrain responded to intragastr...

journal_title：Neuroreport

authors： Tsurugizawa T,Kondoh T,Torii K

更新日期：2008-07-16 00:00:00

abstract：:Chimeric mice stably reconstituted with bone marrow cells represent a good model for analysis of the mechanism of bone marrow cell infiltration in the brain. However, in preparing chimeric mice, irradiation of the recipient mice is necessary to kill their own bone marrow before transplantation, which induces gliosis a...

journal_title：Neuroreport

authors： Furuya T,Tanaka R,Urabe T,Hayakawa J,Migita M,Shimada T,Mizuno Y,Mochizuki H

更新日期：2003-03-24 00:00:00

abstract：:Diffusion tensor imaging is a new in vivo tool not only for the assessment of white matter structural integrity but also for diagnosis and assessment of disease conditions which disturb tissue structural coherence. In this study, we investigated the integrity of auditory pathway in patients of sensorineural hearing lo...

journal_title：Neuroreport

authors： Chang Y,Lee SH,Lee YJ,Hwang MJ,Bae SJ,Kim MN,Lee J,Woo S,Lee H,Kang DS

更新日期：2004-08-06 00:00:00

abstract：:The distribution of neurones expressing neuropeptide Y (NPY) mRNA in the brain of the goldfish was investigated using a non-radioactive in situ hybridization technique. Neurones expressing NPY mRNA were located in cell groups previously shown to exhibit NPY immunoreactivity in the ventral telencephalon, thalamus, opti...

journal_title：Neuroreport

authors： Vecino E,Perez MT,Ekström P

更新日期：1994-12-30 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：:S100B is a calcium-binding protein expressed and secreted by astrocytes, playing a neurotrophic role in neighboring cells. A protective role of the S100B against glutamate-induced excitotoxicity has recently been proposed. We investigated S100B secretion in rat hippocampal astrocytes exposed to high concentrations of ...

journal_title：Neuroreport

authors： Gonçalves D,Karl J,Leite M,Rotta L,Salbego C,Rocha E,Wofchuk S,Gonçalves CA

更新日期：2002-08-27 00:00:00

abstract：:We analysed the effects of morphine microinjections (0.2 microliter) into the subnucleus oralis (SNO), i.e. the rostral division of the spinal trigeminal nucleus, on the formalin test adapted for orofacial pain. Duration of rubbing following an injection (50 microliters) of formalin solution (1.5%) in the right upper ...

journal_title：Neuroreport

authors： Luccarini P,Cadet R,Saade M,Woda A

更新日期：1995-01-26 00:00:00

abstract：:The putative neurotransmitter peptide CART has been suggested to be involved in the actions of psychostimulants. We analyzed the CART mRNA expression in mesolimbic brain areas of male and ovariectomized 17beta-estradiol- (30 microg) and vehicle-treated female rats. A gender difference was noted in the accumbens shell ...

journal_title：Neuroreport

authors： Fagergren P,Hurd YL

更新日期：1999-11-08 00:00:00

abstract：:We investigated the mRNA levels of neuronal, inducible, endothelial nitric oxide synthases (nNOS, iNOS, eNOS) and tumor necrosis factor-alpha (TNF-alpha) in a rat dorsal root ganglion (DRG) after tourniquet application to a hind limb to identify molecules that trigger secondary events after peripheral nerve injury. Si...

journal_title：Neuroreport

authors： Abe S,Mizusawa I,Kanno K,Yabashi A,Suto M,Kuraya M,Honda T,Hiraiwa K

更新日期：2003-12-02 00:00:00

abstract：:Caspase-2 has features of both initiator and effector caspases. Previously, we have shown that brain hypoxia-induced production of caspases 1, 3, 8, and 9 is Src kinase mediated, a nonreceptor intracellular family of kinases. The present study tests the hypothesis that hypoxia results in increased expression of caspas...

journal_title：Neuroreport

authors： Angelis D,Delivoria-Papadopoulos M

更新日期：2017-08-16 00:00:00

abstract：:To compare the effectiveness of cyclosporin-A (CsA) with methylprednisolone (MP) or a combination of both upon inhibition of lipid peroxidation (LP) after spinal cord (SC) injury, rats were treated with either CsA, MP, CSA+MP or vehicle starting 1 h after SC contusion at T9 level. LP was assessed 24h after injury by t...

journal_title：Neuroreport

authors： Diaz-Ruiz A,Rios C,Duarte I,Correa D,Guizar-Sahagun G,Grijalva I,Madrazo I,Ibarra A

更新日期：2000-06-05 00:00:00

abstract：:Effects of glutamate on synaptic transmission in the submucosal plexus of guinea-pig small intestine were studied with intracellular electrophysiological recording methods. Glutamate suppressed stimulus-evoked slow excitatory postsynaptic potentials (EPSPs) and increased the amplitude of slow inhibitory postsynaptic p...

journal_title：Neuroreport

authors： Ren J,Hu HZ,Liu S,Xia Y,Wood JD

更新日期：1999-09-29 00:00:00

abstract：:As the most numerous cell type in the brain, astrocytes are coupled via gap junction channels. It is believed that communication among astrocytes is normally regulated by extracellular ions, neurotransmitters and neuromodulators. However, the level of astrocytic coupling is altered in abnormal conditions such as strok...

journal_title：Neuroreport

authors： Bani-Yaghoub M,Felker JM,Naus CC

更新日期：1999-12-16 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：:NONINVASIVE photolytic injury to targeted neuronal subpopulations in vivo causes unique, slowly progressive neuronal degeneration. To examine the mechanisms of degeneration toward development and transplantation studies, cytosolic calcium levels were measured in vitro from neocortical neurons after incorporation of ph...

journal_title：Neuroreport

authors： Sheen VL,Dreyer EB,Macklis JD

更新日期：1992-08-01 00:00:00

abstract：:Müller cells, as the predominant glial element in the sensory retina, play a crucial role in healthy and diseased retina. Overactivation of Müller cells in response to damage is detrimental to the retina tissue. Current research shows that inhibiting glial fibrillary acidic protein (GFAP), a sensitive indicator of Mül...

journal_title：Neuroreport

authors： Wang X,Shu Q,Ni Y,Xu G

更新日期：2018-12-05 00:00:00

abstract：:The effects of intracerebroventricular (i.c.v.) administration of galanin on plasma growth hormone (GH) concentrations and its possible mechanism of action have been examined in sheep. Galanin administration icv resulted in a dose-dependent increase in plasma GH concentrations (p < 0.01). Concurrent administration of ...

journal_title：Neuroreport

authors： Spencer GS,Berry CJ,Bass JJ

更新日期：1994-01-12 00:00:00

abstract：:24S-hydroxycholesterol, the primary oxidation product of cholesterol in the brain, plays a key role in cholesterol elimination and homeostasis. While the concentration of this neurotoxic oxysterol decreases with age, 24S-hydroxycholesterol is elevated in Alzheimer's disease. In this study, we examined the effects of 2...

journal_title：Neuroreport

authors： Alexandrov P,Cui JG,Zhao Y,Lukiw WJ

更新日期：2005-06-21 00:00:00

abstract：:Immunohistochemistry was used to demonstrate urotensin I (UI), urotensin II (UII), and angiotensinogen (Ao)-like immunoreactivities (ir) in the CNS of Aplysia californica. The fish UI is a 41 amino acid peptide that has 50% identity with mammalian corticotropin-releasing factor (CRF). Identity also exists between UI a...

journal_title：Neuroreport

authors： Gonzalez GC,Roger I,Gonzalez E,Martinez-Padron M,Moore GJ,Lukowiak K

更新日期：1995-02-15 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：:Myelinated nerve fibers exhibit a complex anatomy in the nodal region which includes a marked nodal-paranodal constriction and an intricate paranodal structure where the myelin sheath is separated from the axon by a narrow periaxonal space. In this study, a recently developed computational model of the mammalian myeli...

journal_title：Neuroreport

authors： Halter JA,Clark JW Jr

更新日期：1993-01-01 00:00:00

abstract：:In the present study, the activity changes of chicken retinal ganglion cells in response to light stimuli with defined contrast were investigated, in the presence of various levels of sustained background illumination. Following a step increase of light illumination, the firing rate of most retinal ganglion cells incr...

journal_title：Neuroreport

authors： Chen AH,Zhou Y,Gong HQ,Liang PJ

更新日期：2005-03-15 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

abstract：:The ability to attribute mental states to others ('theory of mind') pervades normal social interaction and is impaired in autistic individuals. In a previous positron emission tomography scan study of normal volunteers, performing a 'theory of mind' task was associated with activity in left medial prefrontal cortex. W...

journal_title：Neuroreport

authors： Happé F,Ehlers S,Fletcher P,Frith U,Johansson M,Gillberg C,Dolan R,Frackowiak R,Frith C

更新日期：1996-12-20 00:00:00

abstract：:Sulphated cholecystokinin-8 (CCK-8) given into the neostriatum of the rat by in vivo microdialysis produced a concentration-dependent (1-100 microM) increase in extracellular aspartate (Asp) and dynorphin B (Dyn B), but not in glutamate, GABA or dopamine levels. The increase in Asp levels produced by 10 microM CCK-8 w...

journal_title：Neuroreport

authors： You ZB,Pettersson E,Herrera-Marschitz M,Hökfelt T,Terenius L,Nylander I,Goiny M,Hughes J,O'Connor WT,Ungerstedt U

更新日期：1994-11-21 00:00:00