Evidence that stress augments morphine analgesia by increasing brain tryptophan.

abstract：:Functional neuroimaging suggests asymmetries of memory encoding and retrieval in the prefrontal lobes, but different hypotheses have been presented concerning the nature of prefrontal hemispheric specialization. We studied an associative memory task involving pairs of Kanji (Chinese) pictographs and unfamiliar abstrac...

journal_title：Neuroscience letters

authors： Epstein CM,Sekino M,Yamaguchi K,Kamiya S,Ueno S

更新日期：2002-03-01 00:00:00

abstract：:The neuroprotective activity of riluzole has been studied on N-methyl-D-aspartate (NMDA)- or veratridine-induced toxicity in immature rat hippocampal slices. Neurodegeneration was assessed by the measurement of LDH release and histology. Veratridine-induced LDH release can be inhibited by 100 microM riluzole (-90% and...

journal_title：Neuroscience letters

authors： Malgouris C,Daniel M,Doble A

更新日期：1994-08-15 00:00:00

abstract：:Fibroblasts from Alzheimer's disease (AD) patients displayed decreased cytochrome c oxidase (complex IV) activity (P < 0.05). The basal oxygen consumption rate (QO2) and the response to an uncoupler of oxidative phosphorylation did not differ between AD and control fibroblasts. The QO2 of AD fibroblasts was more susce...

journal_title：Neuroscience letters

authors： Curti D,Rognoni F,Gasparini L,Cattaneo A,Paolillo M,Racchi M,Zani L,Bianchetti A,Trabucchi M,Bergamaschi S,Govoni S

更新日期：1997-10-24 00:00:00

abstract：:Topographical maps form the basis of the organization in many projections within the central nervous system, but in the neuromuscular system such detailed spatial organization has generally been assumed to be absent and indeed unnecessary for normal function (see, for example, ref. 1). However, there is some physiolog...

journal_title：Neuroscience letters

authors： Hardman VJ,Brown MC

更新日期：1985-10-10 00:00:00

abstract：:Spirulina maxima is a blue-green micro alga that contains abundant amounts of proteins (60-70%), vitamins, chlorophyll a, and C-phycocyanin (C-PC). It has been shown to reduce oxidative stress, and prevent diabetes and non-alcoholic fatty liver disease. However, it is unclear whether Spirulina maxima 70% ethanol extra...

journal_title：Neuroscience letters

authors： Koh EJ,Kim KJ,Choi J,Kang DH,Lee BY

更新日期：2018-04-23 00:00:00

abstract：:Benzodiazepine (Bzd) agonist, diazepam (Dzp) and inverse agonist methyl beta-carboline-3-carboxylate (beta-CCM); acetylcholinesterase inhibitor, physostigmine (Physo) and muscarinic antagonist, scopolamine (Scopo), were investigated for their mnesic effect in a passive avoidance (PA) task in rats. Impairments were obs...

journal_title：Neuroscience letters

authors： Anglade F,Bizot JC,Dodd RH,Baudoin C,Chapouthier G

更新日期：1994-12-05 00:00:00

abstract：:Responses of single neurones to vibrissal stimulation and to the iontophoretically applied putative neurotransmitters, L-glutamate and L-aspartate, were recorded in the trigeminal nucleus caudalis of the rat. Vibrissal responses were unaffected by the specific N-methyl-D-aspartate receptor antagonist, D-alpha-aminoadi...

journal_title：Neuroscience letters

authors： Salt TE,Hill RG

更新日期：1981-03-10 00:00:00

abstract：:The hypothesis involving glutamate in the neuropathology of schizophrenia has attracted great interest. Several studies report dysfunctions in glutamatergic systems, including alterations in kainate and N-methyl-D-aspartate (NMDA) receptors in various areas, as well as changes in the number of glutamate uptake sites. ...

journal_title：Neuroscience letters

authors： Aparicio-Legarza MI,Cutts AJ,Davis B,Reynolds GP

更新日期：1997-08-22 00:00:00

abstract：:We measured levels of basal and norepinephrine (NE) -induced melatonin release in cultured pineal bodies of rats just after and 2 days after irradiation (20 or 200 Gy) or sham-irradiation. On the day of irradiation, basal and NE-induced melatonin release were not affected by irradiation. Two days after irradiation, ba...

journal_title：Neuroscience letters

authors： Saito K,Shinohara K,Morofushi M,Funabashi T,Mitsushima D,Hata M,Matsubara S,Kimura F

更新日期：2000-04-21 00:00:00

abstract：:In astrocytes, ion currents are predominantly carried by K(+) ions, and their potassium channel expression changes during development. Here, we studied ion current generated by voltage-ramp protocols in cultured astrocytes from the corpus callosum of newborn (P0) and 28-day-old (P28) rats. Inward currents measured at ...

journal_title：Neuroscience letters

authors： Montiel-Herrera M,García-Colunga J

更新日期：2010-11-26 00:00:00

abstract：:It is believed that subjects with high trait anxiety levels tend to present state anxiety reactions with greater intensity than individuals with low trait anxiety levels. In order to verify if this premise is valid for animal models of anxiety, the present work investigated the possible correlation between two behavio...

journal_title：Neuroscience letters

authors： Goes TC,Antunes FD,Teixeira-Silva F

更新日期：2009-02-06 00:00:00

abstract：:There is an emotional pressor circuit composed of nuclei controlling emotion and stress, which may be the neurophysiological basis for prolonged emotional stress inducing hypertension. The central amygdaloid nucleus (AC) is the most important in this circuit, which widely connects with the other nuclei via its CRF (co...

journal_title：Neuroscience letters

authors： Li YH,Ku YH

更新日期：2002-04-19 00:00:00

abstract：:The effects of gonadal steroids on serotonin (5-HT) synthesis and metabolism in the early developing brain were investigated. Seven-day-old (7 days post-hatch) tilapia, Oreochromis mossambicus were continuously treated with 17beta-estradiol (E2), methyltestosterone (MT) and para-chlorophenylalanine (p-PCA) up to the a...

journal_title：Neuroscience letters

authors： Tsai CL,Wang LH

更新日期：1999-04-02 00:00:00

abstract：:Following iontophoretic injections of the retrograde tracer Fluoro-gold into the rat locus coeruleus (LC), retrogradely labeled neurons were seen predominantly in the area of C1 adrenergic neurons in the ventrolateral medulla (nucleus paragigantocellularis; PGi) and in the area of C3 adrenergic neurons in the dorsomed...

journal_title：Neuroscience letters

authors： Pieribone VA,Aston-Jones G,Bohn MC

更新日期：1988-03-10 00:00:00

abstract：:For the first time, a review article focuses exclusively on the role of the protein kinase CK2 in mono- and poly-nucleated mammalian skeletal muscle cells. While CK2, a pleiotropic serine/threonine kinase was originally thought to phosphorylate mainly casein, later evidence found glycogen phosphorylase and glycogen sy...

journal_title：Neuroscience letters

authors： Hashemolhosseini S

更新日期：2020-06-11 00:00:00

abstract：:The effect of preconditioning (PC) on the changes of nerve growth factor-induced gene A (NGFI-A) expression induced by severe hypobaric hypoxia was studied by in situ hybridization. A PC consisted of three trials of mild hypobaric hypoxia (360 Torr, 2 h) spaced at 24 h. The last trial was followed by severe hypoxia (S...

journal_title：Neuroscience letters

authors： Rybnikova E,Tulkova E,Pelto-Huikko M,Samoilov M

更新日期：2002-08-23 00:00:00

abstract：:Using the novel substituted benzamide drug [3H]raclopride in combination with in vitro receptor autoradiography, the distribution of dopamine D-2 receptors was studied in the monkey brain. Highest densities of D-2 receptors are present in dopamine-rich areas and the distribution shows the following rank order: caudatu...

journal_title：Neuroscience letters

authors： Köhler C,Radesäter AC

更新日期：1986-05-06 00:00:00

abstract：:The role of oropharyngeal mechanisms in body water regulation was studied in 12 human males by measuring urine output and osmolality before and after drinking a very small volume of distilled water (0.15 ml/kg b.w.t.). Hypotonic diuresis was resulted only in the subjects (n = 6) who drank only sufficient water to keep...

journal_title：Neuroscience letters

authors： Akaishi T,Shingai T,Miyaoka Y,Homma S

更新日期：1989-12-15 00:00:00

abstract：:Microglia are resident immune cells of brain and activated by peripheral tissue injury. In the present study, we investigated the possible induction of several microglial surface immunomolecules in the spinal cord, including leukocyte common antigen (LCA/CD45), MHC class I antigen, MHC class II antigen, Fc receptor, a...

journal_title：Neuroscience letters

authors： Fu KY,Tan YH,Sung B,Mao J

更新日期：2009-01-16 00:00:00

abstract：:The contribution of angiotensin II (Ang II) to the pathophysiology of hypertension is established based on facts that high levels of circulating Ang II increase vasoconstriction of peripheral arteries causing a rise in blood pressure (BP). In addition, circulating Ang II has various effects on the central nervous syst...

journal_title：Neuroscience letters

authors： Issa AT,Miyata K,Heng V,Mitchell KD,Derbenev AV

更新日期：2012-06-21 00:00:00

abstract：:In urethane-anesthetized rats single neuronal activity was recorded in the laterodorsal tegmental nucleus (LDT), which has a dense complement of cholinergic neurons, and in the dorsal raphe and locus coeruleus for comparison. Most LDT neurons responded antidromically to stimulation of either one or more of several ros...

journal_title：Neuroscience letters

authors： Kayama Y,Ogawa T

更新日期：1987-06-26 00:00:00

abstract：:Decreased expression of NT-3 mRNA in the sciatic nerve and leg muscles of streptozotocin (STZ)-diabetic rats has been associated with the pathogenesis of diabetic neuropathy. The aim of this study was to determine whether STZ-induced diabetes also affects the expression of NT-3 mRNA in the central and peripheral proje...

journal_title：Neuroscience letters

authors： Cai F,Tomlinson DR,Fernyhough P

更新日期：1999-03-26 00:00:00

abstract：:The effect of methionine-enkephalin (Met-Enk) on responses of rat brain neostriatum neurones to microiontophoretic application of glutamate was studied in experiments with extracellular recording of spike activity. Met-Enk administered by microiontophoresis was shown to depress the glutamate-induced responses. In para...

journal_title：Neuroscience letters

authors： Kuznetsov VI,Godukhin OV

更新日期：1985-06-12 00:00:00

abstract：:Sympathoexcitatory neurons in the C1 adrenergic area of the rostral ventrolateral medulla (RVL) are tonically inhibited by gamma-aminobutyric acid (GABA). To identify the source of this GABAergic input, the distribution of neurons containing glutamate decarboxylase (GAD) was determined immunocytochemically in rats tre...

journal_title：Neuroscience letters

authors： Meeley MP,Ruggiero DA,Ishitsuka T,Reis DJ

更新日期：1985-07-04 00:00:00

abstract：:To elucidate the early histopathological changes after transient focal cerebral ischemia, we made 1 h intraluminal occlusion of the middle cerebral artery on rats. After different reperfusion time, from minutes to 3 days, argyrophil III method was used for the demonstration of 'collapsed' (argyrophilic, dark) neurons....

journal_title：Neuroscience letters

authors： Czurkó A,Nishino H

更新日期：1993-11-12 00:00:00

abstract：:Social isolation has been widely described to induce compulsive aggressive behavior and produce a large decrease of brain serotonin turnover in male mice. The aggressiveness by isolation in mice has been often used as a means for a better understanding of disturbed behavior in human beings. We found that male ICR whit...

journal_title：Neuroscience letters

authors： Miyachi Y,Kasai H,Ohyama H,Yamada T

更新日期：1994-07-04 00:00:00

abstract：:We studied the topographical distribution of laser sensory thresholds on the human hairy skin, using a small laser beam for pinprick and a large beam for warmth sensations. The threshold for pinprick sensation correlated positively with the distance from the brain, suggesting that Adelta nociceptors, the fibers which ...

journal_title：Neuroscience letters

authors： Agostino R,Cruccu G,Iannetti G,Romaniello A,Truini A,Manfredi M

更新日期：2000-05-12 00:00:00

abstract：:Spontaneous gasps were recorded in pentobarbitone-anesthetized adult cats. Mean interval between gasps in 11 cats with their buffer nerves intact was of 65 sec; it was significantly prolonged to 174 sec after unilateral carotid neurotomy and to 403 sec after bilateral carotid neurotomy. Additional sectioning of both a...

journal_title：Neuroscience letters

authors： Zuazo A,Zapata P

更新日期：1980-01-01 00:00:00

abstract：:Prior motor skill learning (original learning; OL) with one hand (original hand; OH) can affect relearning of the same skill (transfer learning; TL) with the opposite hand (transferred hand; TH). This phenomenon is known as intermanual transfer of learning. We explored specialization of brain activation underlying too...

journal_title：Neuroscience letters

authors： Obayashi S,Suhara T,Kawabe K,Okauchi T,Maeda J,Nagai Y,Iriki A

更新日期：2003-03-20 00:00:00

abstract：:Traumatic brain injury (TBI) represents a major cause of long-term disability worldwide. Primary damage to brain tissue leads to complex secondary injury mechanisms involving inflammation, oxidative stress and cellular activation/reactivity. The molecular pathways that exacerbate brain cell dysfunction after injury ar...

journal_title：Neuroscience letters

authors： Hlavac N,Guilhaume-Corrêa F,VandeVord PJ

更新日期：2020-11-20 00:00:00