Expression of melanocortin 1 receptor in periaqueductal gray matter.

abstract：:GABAA receptor-independent effects of benzodiazepine receptor (BZ-R) agonists on calcium and barium spikes were recorded intracellularly in the presence of bicuculline from CA3 hippocampal cells of young and adult rats. Zolpidem (omega 1 BZ-R agonist), had no effects in young animals but decreased calcium and barium s...

journal_title：Neuroreport

authors： Rovira C,Ben-Ari Y

更新日期：1994-10-27 00:00:00

abstract：:While effects of attention on late and middle latency components of the evoked potential have been demonstrated, similar effects on brain stem evoked potentials--in particular on the human frequency-following potential (FFP)--are controversial. The FFP is a response to tone bursts in the frequency range of human langu...

journal_title：Neuroreport

authors： Hoormann J,Falkenstein M,Hohnsbein J

更新日期：1994-08-15 00:00:00

abstract：:Menthol is known as an agonist for cold-sensitive transient receptor potential channels (TRPM8) and also as a direct modulator of GABA channels. We examined the effects of menthol on respiratory rhythm generation in the brainstem-spinal cord preparations isolated from newborn rats. Menthol decreased respiratory rhythm...

journal_title：Neuroreport

authors： Tani M,Onimaru H,Ikeda K,Kawakami K,Homma I

更新日期：2010-12-08 00:00:00

abstract：:Mammalian TIMELESS (TIM) was identified due to its sequence similarity to Drosophila TIM, an essential circadian clock protein in flies. Published literature is inconsistent regarding the rhythmic expression of mammalian Tim, the interaction of the TIM protein with other clock proteins and its role in regulating clock...

journal_title：Neuroreport

authors： Gotter AL

更新日期：2006-08-21 00:00:00

abstract：:We investigated the detection of rare task-irrelevant changes in the lexical status of speech stimuli. Participants performed a nonlinguistic task on word and pseudoword stimuli that occurred, in separate conditions, rarely or frequently. Task performance for pseudowords was deteriorated relative to words, suggesting ...

journal_title：Neuroreport

authors： Muller-Gass A,Roye A,Kirmse U,Saupe K,Jacobsen T,Schröger E

更新日期：2007-10-29 00:00:00

abstract：:BC200 is a long noncoding RNA expressed at high levels in the Alzheimer's disease (AD), and blocking of BC200 by siRNA is assumed to be an effective method for various disease therapy. We have established an AD cell model overexpressing amyloid β-peptide (Aβ)1-42 to observe the effects of BC200 on the cell viability a...

journal_title：Neuroreport

authors： Li H,Zheng L,Jiang A,Mo Y,Gong Q

更新日期：2018-09-05 00:00:00

abstract：:Is functional neuroimaging a royal way to understand brain function or is it a new phrenology without an exact understanding what we measure? After two decades of imaging revolution, more and more authors ask this question. Brain functions are multidimensional, which can be approached from the point of (1) behavioural...

journal_title：Neuroreport

authors： Kéri S,Gulyás B

更新日期：2003-06-11 00:00:00

abstract：:We examined the induction of progesterone receptor-immunoreactive (PR-ir) cells by estrogen in the rat preoptic area and ventromedial hypothalamic nucleus. Ovariectomized young (3-month-old) and old (24-month-old) female rats were treated with estrogen or cholesterol for 4 days. Estrogen significantly increased PR-ir ...

journal_title：Neuroreport

authors： Furuta M,Fukushima A,Chiba S,Sano A,Akema T,Kimura F,Funabashi T

更新日期：2010-08-04 00:00:00

abstract：:Birds are capable of dexterous sensory-motor activities such as tool use. Reaching is a crucial component of tool use and is a vision-guided behavior in primates, in which arm movement is monitored online in a stable visual frame. However, vision-guided reaching in primates is enabled by anatomical separation of the h...

journal_title：Neuroreport

authors： Kanai M,Matsui H,Watanabe S,Izawa E

更新日期：2014-09-10 00:00:00

abstract：:In situ hybridization was used to localize mRNA encoding two cooperative serine/threonine kinase receptors. Activin receptor IIA mRNA in the adult rat brain is highly expressed in the dentate gyrus, in the pyramidal neurones of CA3 and CA1, in the entorhinal cortex, in the cortical amygdaloid nucleus and in the amygda...

journal_title：Neuroreport

authors： Bengtsson H,Söderström S,Ebendal T

更新日期：1995-12-29 00:00:00

abstract：:Using a system capable of relatively localized and rapidrate transcranial magnetic stimulation (rTMS), evoked trains of complex spikes were studied in rodent auditory cortex. Low rate rTMS from 1 to 10Hz produced a frequency-dependent increase in spike rate. Iterations of rTMS resulted in long-term potentiation (LTP)-...

journal_title：Neuroreport

authors： Wang H,Wang X,Scheich H

更新日期：1996-01-31 00:00:00

abstract：:This study tested whether adult rat brain stem neurons could respond to growth or trophic factors provided after an extended post-injury period. The number of neurons that regenerated their axon into a peripheral nerve graft following exposure to ciliary neurotrophic factor (CNTF) 8 weeks after a cervical lesion was c...

journal_title：Neuroreport

authors： Houle JD,Ye JH

更新日期：1997-02-10 00:00:00

abstract：:The hypothesis that reactive free radical species (ROS) may contribute to the pathogenesis of Duchenne muscular dystrophy (DMD) has been suggested previously, but experimental data obtained in support of the above have to date proved inconclusive. The recent discovery that nitric oxide synthase (required for muscle re...

journal_title：Neuroreport

authors： Haycock JW,MacNeil S,Jones P,Harris JB,Mantle D

更新日期：1996-12-20 00:00:00

abstract：:One mechanism thought to mediate hand and upper limb control across motor cortices is called interhemispheric inhibition (IHI). Somatosensory cortices are important in the motor control of the hand, although the neural mechanisms by which somatic loci act are not fully understood. In the present study, we study the po...

journal_title：Neuroreport

authors： Zapallow CM,Jacobs MF,Lee KG,Asmussen MJ,Tsang P,Nelson AJ

更新日期：2013-05-08 00:00:00

abstract：:To test the hypothesis that the pedunclopontine tegmental nucleus (PPTg) plays a role in anxiety, rats with electrolytic lesions of the PPTg were tested in two animal models of anxiety, the elevated plus maze and the social interaction tests. Histological analysis showed that lesions were concentrated on the caudal ha...

journal_title：Neuroreport

authors： Podhorna J,Franklin KB

更新日期：1998-06-01 00:00:00

abstract：:An entry of Ca2+ into postsynaptic sites may play a role in the induction of long-term potentiation (LTP) of synaptic transmission in the visual cortex. To test this hypothesis, a Ca(2+)-chelator was injected into layer II/III neurons of sliced visual cortex obtained from young rats, and excitatory postsynaptic potent...

journal_title：Neuroreport

authors： Kimura F,Tsumoto T,Nishigori A,Yoshimura Y

更新日期：1990-09-01 00:00:00

abstract：:Areas of the brain's left hemisphere involved in retrieving words with emotional connotations were studied with fMRI. Participants silently generated words from different semantic categories which evoked either words with emotional connotations or emotionally neutral words. Participants repeated emotionally neutral wo...

journal_title：Neuroreport

authors： Crosson B,Radonovich K,Sadek JR,Gökçay D,Bauer RM,Fischler IS,Cato MA,Maron L,Auerbach EJ,Browd SR,Briggs RW

更新日期：1999-08-20 00:00:00

abstract：:Voltage-gated K+ channels (K(V)) regulate cell electrical properties, proliferation, migration, and death. Rotenone is a mitochondrial inhibitor, influencing activity of many channels that potentially participate in cell death processes, but its effect on K(V) channel in neurons remains unclear. This study used whole-...

journal_title：Neuroreport

authors： Gao XF,Wang W,He C

更新日期：2008-09-17 00:00:00

abstract：:The distribution of PKCepsilon and its co-localization with various GABA(A) receptor subunits within limbic structures of the mouse brain was examined by fluorescence immunohistochemistry. Levels of PKCepsilon immunoreactivity were highest in the cingulate cortex and dentate gyrus, moderate in the nucleus accumbens, a...

journal_title：Neuroreport

authors： Olive MF,Hodge CW

更新日期：2000-03-20 00:00:00

abstract：:Bilateral voluntary contractions involve functional changes in both primary motor cortices. However how the unilateral voluntary contraction of hand muscles influences the contralateral corticomuscular synchronous oscillations mechanisms remains unclear. In the bimanual tasks, nine healthy subjects were instructed to ...

journal_title：Neuroreport

authors： Li S,Fan M,Yu H,Gao L

更新日期：2020-03-04 00:00:00

abstract：:Metabolic hypofunction is a common finding in a number of neurodegenerative diseases, including Alzheimer's disease (AD). The strong linkage between the amyloid precursor protein (APP) and AD led us to examine whether over-expression of this protein in CNS-type cells had an effect on mitochondria. We found abnormal mo...

journal_title：Neuroreport

authors： Grant SM,Shankar SL,Chalmers-Redman RM,Tatton WG,Szyf M,Cuello AC

更新日期：1999-01-18 00:00:00

abstract：:We studied the neural substrate of anticipation and learning of smooth pursuit eye movements in humans using fMRI. Both predictable and non-predictable eye movements, compared to baseline, activated a common network previously associated with oculomotor function. The temporal dynamics of activity in a subset of these ...

journal_title：Neuroreport

authors： Schmid A,Rees G,Frith C,Barnes G

更新日期：2001-05-25 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：:Functional imaging has struggled for two decades to establish a quantitative link between the neuronal activity and the change in signal obtained. This review proposes a division of neuronal activity into a component relating to the electrical discharge activity and a component relating to the size of the activated ne...

journal_title：Neuroreport

authors： Marcar VL,Loenneker T

更新日期：2004-09-15 00:00:00

abstract：:Propofol is widely used for induction and maintenance of anaesthesia, which causes a rapid loss of consciousness. So far the mechanisms underlying the effect of propofol are still largely unknown. Here, we found that microinjection of propofol in the lateral hypothalamus caused a significant decrease in wakefulness an...

journal_title：Neuroreport

authors： Shi Y,Xiao D,Dai L,Si Y,Fang Q,Wei X

更新日期：2019-10-09 00:00:00

abstract：:The present study examined species differences in spatial and non-spatial memory in the Morris water maze. Male Wistar rats and C57BL/6 mice were tested in a one-day water maze task in which spatial learning, retention, and non-spatial learning were assessed within 3 h. Rats and mice appeared to use different strategi...

journal_title：Neuroreport

authors： Frick KM,Stillner ET,Berger-Sweeney J

更新日期：2000-11-09 00:00:00

abstract：:Opioid-receptor-like I (ORLI) receptors, ORLI mRNA and nociceptin are particularly abundant in the limbic system and in central monoaminergic areas, brain regions involved in mood regulation and response to antidepressants. To analyse whether ORLI receptors adaptations occur during the first 3 weeks of an antidepressa...

journal_title：Neuroreport

authors： Vilpoux C,Naudon L,Costentin J,Leroux-Nicollet I

更新日期：2002-01-21 00:00:00

abstract：:We investigated the effects of 2,2,2-trichloroethanol (TCE), the active metabolite of chloral hydrate, on large-conductance calcium-activated K+ channels (BKCa channels) of dorsal root ganglion (DRG) neurones. In outside-out patches, 2 and 5 mM TCE increased the open probability of BKCa channels to 1.7-fold and 2.8-fo...

journal_title：Neuroreport

authors： Gruss M,Hempelmann G,Scholz A

更新日期：2002-05-07 00:00:00

abstract：:Insulin-like growth factor (IGF)-I is essential for cerebellar granule neuron survival and a decline in IGF-I is implicated in various age-dependent processes. Here we show that IGF-I mRNA levels are decreased in the cerebellum of old rats compared with young rats and this was associated with increased cell death and ...

journal_title：Neuroreport

authors： Pañeda C,Arroba AI,Frago LM,Holm AM,Rømer J,Argente J,Chowen JA

更新日期：2003-08-26 00:00:00

abstract：:The hippocampus is the key structure for learning and memory in mammals and long-term potentiation (LTP) is an important cellular mechanism responsible for learning and memory. The influences of norepinephrine (NE) on the modulation of learning and memory, as well as LTP, through β-adrenoceptors are well documented, w...

journal_title：Neuroreport

authors： Lv J,Zhan SY,Li GX,Wang D,Li YS,Jin QH

更新日期：2016-11-09 00:00:00