Depression of the firing of rat cerebral cortical neurons by 2-azido analogues of adenine nucleotides.

abstract：:Chronological changes of dopamine D1 receptor binding were determined in the strionigral system of the rat brain by using [3H]SCH 23390, a highly selective dopamine D1 antagonist, in vitro autoradiography after 90 min of right middle cerebral artery (MCA) occlusion and after such occlusion followed by different period...

journal_title：Neuroscience letters

authors： Nagasawa H,Araki T,Kogure K

更新日期：1992-01-06 00:00:00

abstract：:Double immunostaining for oxytocin (OT) and Fos was used to study the oxytocinergic system of the rat hypothalamic paraventricular nucleus (PVN) following intraperitoneal insulin injections. The expression of c-fos in the PVN appeared about 3 h after insulin treatment and was very high after 5 h while no labelling was...

journal_title：Neuroscience letters

authors： Griffond B,Deray A,Bahjaoui-Bouhaddi M,Colard C,Bugnon C,Fellmann D

更新日期：1994-08-29 00:00:00

abstract：:Considerable evidence suggests that low (picomolar) concentrations of the HIV-1 envelope glycoprotein gp120 induce neuronal cell death by stimulating the release of microglial toxins, which in turn activate N-methyl-D-aspartate (NMDA) receptors. Conversely, high (micromolar) concentrations of gp120 have been reported ...

journal_title：Neuroscience letters

authors： Wittekindt B,Betz H,Laube B

更新日期：2000-02-18 00:00:00

abstract：:We examined the effects of chronic in vivo antipsychotic drug treatments on G protein function and regulation. Mice were treated with typical antipsychotic haloperidol (6 mg/kg per day) and atypical agent olanzapine (20 mg/kg per day) for 14 days via mini-osmotic pumps. G protein-activated adenylyl cyclase activity in...

journal_title：Neuroscience letters

authors： Kaplan GB,Leite-Morris KA,Keith DJ

更新日期：1999-10-08 00:00:00

abstract：:The sensory neurons in the trigeminal ganglion which project to the muscles of mastication of the cat were studied using the retrograde transport of horseradish peroxidase. Horseradish peroxidase either was injected directly into the masticatory muscles or applied to the nerves supplying them. Numerous retrogradely la...

journal_title：Neuroscience letters

authors： Martin JW,Panneton WM

更新日期：1986-10-20 00:00:00

abstract：:We previously reported that the amyloid-beta protein (Abeta) reduces the synthesis of acetylcholine (ACh) in a mouse septal cell line, SN56, without causing death of the cells. Here, we report that the ACh-reducing effect of either Abeta 1-28 or Abeta 1-42 (100 nM; 48 h) in SN56 cells can be prevented by a co-treatmen...

journal_title：Neuroscience letters

authors： Pedersen WA,Blusztajn JK

更新日期：1997-12-19 00:00:00

abstract：:Light microscopic autoradiographic localization of specific recognition sites for thyrotropin-releasing hormone (TRH) was determined on thin sections of rat brain using the potent analogue [3H](3-Me-His2)-TRH ([3H]MeTRH). Microdensitometric analysis of the relative optical densities of TRH receptor labelling revealed ...

journal_title：Neuroscience letters

authors： Sharif NA,Burt DR

更新日期：1985-10-10 00:00:00

abstract：:Bone-conducted ultrasound (BCU) modulated by speech sound is recognized as speech sound and activates the auditory cortex similar to audible sound. To investigate the mechanisms of perception, the effects of stimulus duration on N1m were compared among air-conducted audible speech sound (AC speech), AC speech with car...

journal_title：Neuroscience letters

authors： Okayasu T,Nishimura T,Yamashita A,Nakagawa S,Nagatani Y,Yanai S,Uratani Y,Hosoi H

更新日期：2011-05-09 00:00:00

abstract：:By recording the locomotor activity rhythm of hagfish, Eptatretus burgeri, in which surgical lesions of the pretectal areas were made, we searched for the route of light information from the eyes to the circadian pacemaker, which is considered to be located in the preoptic nucleus. The entrainment of circadian activit...

journal_title：Neuroscience letters

authors： Ooka-Souda S,Kadota T,Kabasawa H,Takeuchi H

更新日期：1995-06-16 00:00:00

abstract：:Galanin- and bethanechol-activated whole cell currents were studied in dissociated mudpuppy parasympathetic neurons kept in 12.5 mM KCl. The bethanechol-induced current was reduced when generated during a galanin-induced current. The galanin and bethanechol currents reversed at -45 mV and exhibited inward rectificatio...

journal_title：Neuroscience letters

authors： Parsons RL,Merriam LA

更新日期：1992-06-08 00:00:00

abstract：:Three dopamine receptor mRNAs were detected by reverse polymerase chain reaction in the rat forebrain during ontogeny. The D1 receptor mRNA gave a faint signal from gestational day 11 (G11) on, while the D1b receptor was not detectable before G12. The D3 receptor mRNA was slightly expressed at G11 and clearly present ...

journal_title：Neuroscience letters

authors： Cadoret MA,Jaber M,Bloch B

更新日期：1993-05-28 00:00:00

abstract：:In rats, immunoreactivity was demonstrated in the brush border of the choroid plexus, in the wall of blood vessels in the brain, and in the brush border of the proximal tubules of the kidney, using the peroxidase-antiperoxidase technique (PAP) and an anti-pulmonary converting-enzyme antibody. These findings correlate ...

journal_title：Neuroscience letters

authors： Rix E,Ganten D,Schüll B,Unger T,Taugner R

更新日期：1981-03-10 00:00:00

abstract：:Postural sway during upright stance was analyzed in 12 patients with phobic postural vertigo (PPV) and in 12 age-matched healthy volunteers. Recordings were made under different conditions (with the eyes open or closed): when standing on a foam rubber pad with the head upright, turned 30 degrees to the right or left, ...

journal_title：Neuroscience letters

authors： Krafczyk S,Schlamp V,Dieterich M,Haberhauer P,Brandt T

更新日期：1999-01-15 00:00:00

abstract：:A digoxigenin-labeled antisense 42-mer oligonucleotide was used for the localization of the dopamine D2 receptor mRNA in the rat brain. The digoxigenin label was identified with alkaline phosphatase conjugated sheep-anti-digoxigenin. In good analogy with the known terminal fields of the dopaminergic system, various nu...

journal_title：Neuroscience letters

authors： Brouwer N,Van Dijken H,Ruiters MH,Van Willigen JD,Ter Horst GJ

更新日期：1992-08-17 00:00:00

abstract：:The somatosensory system is capable of functional reorganization following peripheral denervation or training. Studies on human amputees with phantom limb pain provided evidence that these reorganizational changes are modulated through nociceptive input. In the present study we used magnetoencephalographic recordings ...

journal_title：Neuroscience letters

authors： Sörös P,Knecht S,Bantel C,Imai T,Wüsten R,Pantev C,Lütkenhöner B,Bürkle H,Henningsen H

更新日期：2001-02-09 00:00:00

abstract：:The Nef protein of human immunodeficiency virus type 1 (HIV-1) is abundantly expressed in HIV-1-infected astrocytes and shares amino acid sequence homology to alpha-scorpion toxins which bind to potassium channels. Here we report effects of recombinant Nef and alpha-scorpion toxins on membrane potassium transport in h...

journal_title：Neuroscience letters

authors： Kort JJ,Jalonen TO

更新日期：1998-07-17 00:00:00

abstract：:Parkinson's disease (PD) is one of the common neurodegenerative diseases that result in the progressive damage of dopaminergic neurons. Environmental exposure, including paraquat, is considered risky for PD. Epigenetics refer to the study of heritable changes in gene expression that occur without a change in DNA seque...

journal_title：Neuroscience letters

authors： Kong M,Ba M,Liang H,Ma L,Yu Q,Yu T,Wang Y

更新日期：2012-08-22 00:00:00

abstract：:A mini-symposium (chaired by L. Chal, Australia, P. Lembeck, Austria, J. Szolcsányi, Hungary and M. Zimmermann, F.R.G.) was held in Bad Nauheim, F.R.G. on June 29, 1990, under the sponsorship of the European Neuropeptide Club, which focussed on recent advances of research on sensory peptides and mechanism of action of...

journal_title：Neuroscience letters

authors： Maggi CA,Pierau FK

更新日期：1991-01-28 00:00:00

abstract：:We compared the modulation of GABA (gamma-aminobutyric acid)-activated currents by benzodiazepines in recombinant GABAA receptors containing either one of two alpha subunits, alpha 1 or alpha 6. Lüddens et al. (Nature, 346 (1990) 648-651) have previously demonstrated that the alpha 6 subunit is part of a cerebellar re...

journal_title：Neuroscience letters

authors： Kleingoor C,Ewert M,von Blankenfeld G,Seeburg PH,Kettenmann H

更新日期：1991-09-16 00:00:00

abstract：:Effects of cortisol on 22 tuberoinfundibular (TI) neurons in the paraventricular nucleus (PVN) of the hypothalamus were examined in urethane-anesthetized rats. Iontophoretically applied cortisol excited 10 (45%) of 22 TI-neurons tested, whereas the cortisol inhibited 4 (31%) of 13 neurons in the periventricular hypoth...

journal_title：Neuroscience letters

authors： Kasai M,Kannan H,Ueta Y,Osaka T,Inenaga K,Yamashita H

更新日期：1988-04-22 00:00:00

abstract：:The cellular location of kappa-opioid binding sites in the guinea pig cerebellum has been investigated. kappa-Opioid sites were labelled using [3H]ethylketocyclazocine in the presence of mu- and delta-blocking ligands. In vitro autoradiography demonstrated that this kappa-opioid binding was localized predominantly in ...

journal_title：Neuroscience letters

authors： Bunn SJ,Wilkin GP

更新日期：1988-01-11 00:00:00

abstract：:A pronounced decrease in dopamine content in both the striatum and the mesolimbic area was observed up to 120 days of age after treatment with 6-hydroxydopamine (100 micrograms, intracisternally) following desipramine pretreatment (20 mg/kg, i.p.) at the 5th postnatal day. In the 6-hydroxydopamine-treated rats, Met-en...

journal_title：Neuroscience letters

authors： Kurumaji A,Takashima M,Watanabe S,Takahashi K

更新日期：1988-04-22 00:00:00

abstract：:Contradictory results have been reported regarding the participation of bulbospinal inspiratory (BSI) neurons in vomiting contractions of the diaphragm in dogs and cats maintained at low and high end-tidal CO2 levels, respectively. To resolve this discrepancy, effects of CO2 levels on vomiting activities were observed...

journal_title：Neuroscience letters

authors： Koga T,Fukuda H

更新日期：1994-10-24 00:00:00

abstract：:Restoration of autophagy represents a potential therapeutic target for neurodegenerative disorders, but factors that regulate autophagic flux are largely unknown. When deprived of trophic factors, cultured Purkinje neurons die by an autophagy associated cell death mechanism. The accumulation of autophagic vesicles and...

journal_title：Neuroscience letters

authors： Bains M,Zaegel V,Mize-Berge J,Heidenreich KA

更新日期：2011-01-20 00:00:00

abstract：:Recent evidence indicates that alterations in brain polyamine metabolism may be critical for nerve cell survival after a free radical initiated neurodegenerative process. It has been shown previously that A beta(1-42) and A beta(25-35) are toxic to neurons through a free radical dependent oxidative mechanism. Treatmen...

journal_title：Neuroscience letters

authors： Yatin SM,Yatin M,Aulick T,Ain KB,Butterfield DA

更新日期：1999-03-19 00:00:00

abstract：:Recombinant retroviruses containing the cDNA for human tyrosine hydroxylase-1 and Escherichia coli lacZ gene were used to infect primary foetal ventral mesencephalon and cortical cultures from rat brain. Severe neuronal toxicity resulted 3-4 days after infection, glial cells seemed to be much more resistant. The toxic...

journal_title：Neuroscience letters

authors： Hurley MJ,Bradford HF,O'Hare K,Stern GM,Uchida K

更新日期：1996-12-06 00:00:00

abstract：:We have investigated the effect of ethanol upon vasopressin (AVP) content in brain and upon in-vitro release of AVP from the rat median eminence. In-vitro ethanol concentrations (5-25 mM), comparable to behaviorally relevant blood ethanol levels, induce a substantial inhibition of AVP release from the median eminence,...

journal_title：Neuroscience letters

authors： Brinton RE,Gruener R,Deshmukh P,Yamamura HI

更新日期：1986-06-18 00:00:00

abstract：:The effects of glutamate uptake inhibitors on the L-glutamate-induced increase in intracellular calcium concentrations were assessed in rat primary cortical cultures. The glutamate (10 microM)-induced rise in intracellular calcium concentrations was strongly and dose dependently increased and prolonged by simultaneous...

journal_title：Neuroscience letters

authors： Freund WD,Grieshop B,Neumann U,Reddig S

更新日期：1995-03-16 00:00:00

abstract：:In rats anesthetized with pentobarbital or a mixture of urethane and chloralose, horseradish peroxidase (HRP) was injected into the intermediolateral column of the spinal cord (Th7 and Th9) or the posterior pituitary lobe. HRP positive cells were found mainly in the dorsomedial part of the paraventricular nuclease (PV...

journal_title：Neuroscience letters

authors： Ono T,Nishino H,Sasaka K,Muramoto K,Yano I,Simpson A

更新日期：1978-11-01 00:00:00

abstract：:A valinomycin-based membrane phase for microelectrodes with relatively low electrical membrane resistances is described. Microelectrodes with tip diameters of about 1 micron exhibit resistances of about 10(10) omega. Extremely high K+ selectivities are obtained, e.g. a rejection of Na+ by a factor of 5000 and of acety...

journal_title：Neuroscience letters

authors： Ammann D,Chao PS,Simon W

更新日期：1987-02-24 00:00:00