Loss of human hippocampal adenosine A1 receptors in dementia: evidence for lack of specificity.

abstract：:The effect of the metabotropic glutamate receptor (mGluR) antagonist (RS)-alpha-methyl-4-carboxyphenylglycine (MCPG) was investigated on the induction of long-term potentiation (LTP) of alpha-amino-3-hydroxy-5- methyl-4-isoxazoleproprionate receptor-mediated excitatory postsynaptic currents (epscs) recorded from denta...

journal_title：Neuroscience letters

authors： Wang Y,Rowan MJ,Anwyl R

更新日期：1995-09-15 00:00:00

abstract：:Cellular origins of methylarginines are not precisely known but the presence of free methyl and dimethylarginines in the brain were reported. We have investigated the circulating concentrations of asymmetrical dimethylarginine NG,NG-dimethylarginine (ADMA), NG,NG-dimethylarginine (SDMA), nitrate and nitrite levels in ...

journal_title：Neuroscience letters

authors： Das I,Khan NS,Puri BK,Hirsch SR

更新日期：1996-09-13 00:00:00

abstract：:Total RNA was purified from rat forebrain at different postnatal ages and analyzed by Northern blot using a specific neurotensin receptor RNA probe. The rat neurotensin receptor mRNA was present in high amount during the first 10 days of life. Thereafter, it rapidly decreased and was undetected after 20 days. [3H]neur...

journal_title：Neuroscience letters

authors： Hermans E,Jeanjean AP,Laduron PM,Octave JN,Maloteaux JM

更新日期：1993-07-09 00:00:00

abstract：:Suicide is a major contributor to the morbidity and mortality of schizophrenia, accounting for approximately 10% of deaths in these patients. Genetic factors have been reported to modulate the risk for suicide, although the precise mechanism and magnitude of the genetic contribution are unknown. Further, suicide attem...

journal_title：Neuroscience letters

authors： Souza RP,De Luca V,Manchia M,Kennedy JL

更新日期：2011-02-11 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：: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：:The effects of the group III mGluR agonist, L-2-amino-4-phosphonobutyrate (L-AP4), on depolarization-stimulated cGMP levels in adult rat cerebellar slices were determined. L-AP4 elicited a concentration-dependent, complete inhibition of cGMP formation stimulated by 4-aminopyridine (4-AP; 1 mM), yielding an IC50 value ...

journal_title：Neuroscience letters

authors： Cartmell J,Kemp JA,Mutel V

更新日期：1997-06-13 00:00:00

abstract：:Generalized epilepsy with febrile seizures plus (GEFS(+)) is a common familial epilepsy syndrome, which generally develops in childhood. GEFS(+) is caused by mutations in the sodium-channel α1-subunit (SCN1A). In this report, we investigated a Chinese family with an autosomal dominant form of GEFS(+). The affected GEF...

journal_title：Neuroscience letters

authors： Cui X,Zeng F,Liu Y,Zhang J,Archacki S,Zhan T,Du R,Tang Z,Liu J,Wang QK,Liu M

更新日期：2011-09-26 00:00:00

abstract：:The ability to extract invariant relationships from physically varying stimulation is critical for example to categorical perception of complex auditory information such as speech and music. Human subjects were presented with tone pairs randomly varying over a wide frequency range, there being no physically constant t...

journal_title：Neuroscience letters

authors： Paavilainen P,Jaramillo M,Näätänen R,Winkler I

更新日期：1999-04-23 00:00:00

abstract：:In the present study, we describe the distribution of GABAC ρ3 receptor immunoreactivity in the cortex, striatum and hippocampus of wild type (wt) and 11 weeks old HD transgenic (tg) R6/2 mouse brain. In the brain of wt mice, GABAC ρ3 immunoreactivity is well expressed in neuronal cells, nerve fibers and axonal proces...

journal_title：Neuroscience letters

authors： Kumar U,Heer M,Somvanshi RK

更新日期：2017-02-15 00:00:00

abstract：:The effect of partial isomerization of dietary alpha-linolenic acid on the monoaminergic neurotransmitters in piglets was studied. After feeding the animals for 14 days with diets containing or not trans alpha-linolenic acid, neurotransmitters related to the monoaminergic function were quantified in the frontal cortex...

journal_title：Neuroscience letters

authors： Acar N,Chardigny JM,Berdeaux O,Almanza S,Sébédio JL

更新日期：2002-10-18 00:00:00

abstract：:The dopamine transporter (DAT1) gene has been implicated in the pathogenesis of many neuropsychiatric disorders, including schizophrenia. The present study aimed to investigate association of the DAT1 gene polymorphisms with schizophrenia in a Han Chinese population. Two single nucleotide polymorphisms (SNPs) in the D...

journal_title：Neuroscience letters

authors： Zheng C,Shen Y,Xu Q

更新日期：2012-04-04 00:00:00

abstract：:Immunochemical characterization of glutamic acid decarboxylase (GAD) from brain extracts of newborn and adult rats was investigated using a GAD antiserum that was previously raised against brain GAD from adult rats. According to the immunoprecipitation and saturation curves, no significant differences could be found a...

journal_title：Neuroscience letters

authors： Henry S,Tappaz M

更新日期：1989-05-22 00:00:00

abstract：:Transcranial magnetic stimulation is a non-invasive tool in clinical diagnostics and therapy for physiological and psychological diseases and has an increased application in experimental neurophysiology. Despite this, the mechanisms of magnetic stimulation of the central nervous system remain still unclear. We applied...

journal_title：Neuroscience letters

authors： Stock M,Kirchner B,Waibler D,Cowley DE,Pfaffl MW,Kuehn R

更新日期：2012-09-27 00:00:00

abstract：:It has been generally suggested that chewing produces an enhancing effect on cognitive performance-related aspects of memory by the test battery. Furthermore, recent studies have shown that chewing is associated with activation of various brain regions, including the prefrontal cortex. However, little is known about t...

journal_title：Neuroscience letters

authors： Hirano Y,Obata T,Kashikura K,Nonaka H,Tachibana A,Ikehira H,Onozuka M

更新日期：2008-05-09 00:00:00

abstract：:The level of endogenous nerve growth factor (NGF) in rat sciatic nerve was determined using a highly sensitive two-site enzyme immunoassay. After crushing this nerve NGF accumulated linearly distal to the crush during the first 12 h to reach levels 13-fold higher than in the uncrushed contralateral side. In contrast, ...

journal_title：Neuroscience letters

authors： Korsching S,Thoenen H

更新日期：1983-08-19 00:00:00

abstract：:The present study investigated the changes in the expression of regulators of G-protein-coupled signaling proteins RGS2, 7 and 8 in gerbil hippocampus to better understand alterations of G-protein-coupled receptors signaling after cerebral ischemia. In situ hybridization revealed a transient, robust early increase in ...

journal_title：Neuroscience letters

authors： Shelat PB,Coulibaly AP,Wang Q,Sun AY,Sun GY,Simonyi A

更新日期：2006-07-31 00:00:00

abstract：:Changes in the planning and control of discrete aiming movements in response to the introduction and removal of the Ebbinghaus size-contrast illusion were examined. Movements were executed faster to targets that appeared larger following movement initiation. The differences in movement time were associated with the po...

journal_title：Neuroscience letters

authors： Handlovsky I,Hansen S,Lee TD,Elliott D

更新日期：2004-08-19 00:00:00

abstract：:It was accepted for a long time that in mammals there is only retinofugal neuronal connection between the eye and the pineal body (PB). In our previous paper we described that nerve cells were present in hamster PB and these neurons could establish a reverse connection with the retina through a transsynaptic pathway. ...

journal_title：Neuroscience letters

authors： Csáki Á,Vereczki V,Lukáts Á,Boldogkői Z,Sebestyén A,Puskár Z,Köves K

更新日期：2018-02-05 00:00:00

abstract：:Topical application of horseradish peroxidase (HRP) to the ventral surface of the medulla oblongata revealed various cells with axons terminating near this region. Fibers traced from the ventral surface originated in the nucleus of the tractus solitarius and the dorsal nucleus of the vagus, both near the dorsal surfac...

journal_title：Neuroscience letters

authors： Errington ML,Dashwood MR

更新日期：1979-05-01 00:00:00

abstract：:Nerve growth factor (NGF) was injected in the brain of neonatal rats. In eleven of thirty-one rats that received 1 microgram of mouse NGF (2.5S form) on postnatal day 3, NGF receptor-like immunoreactivity was found in the preoptic area (POA) and hypothalamus until 12 days after birth. However, no immunoreactivity was ...

journal_title：Neuroscience letters

authors： Nishizuka M,Arai Y

更新日期：1992-04-27 00:00:00

abstract：:The nasal cavity of vertebrates contains a variety of xenobiotic metabolizing enzymes that possess a broad range of substrate specificity ranging from metabolism of drugs, carcinogens, and steroid hormones, to dietary components and environmental pollutants. This investigation sought to localize the cellular expressio...

journal_title：Neuroscience letters

authors： Green N,Weech M,Walters E

更新日期：2005-03-03 00:00:00

abstract：:Carbonic anhydrase (CA) activity was localized histochemically in the retina and brain of the honeybee drone. A positive reaction that could be inhibited with 10(-5) M acetazolamide was found only in brain glial cells such as those in the lamina and medulla of the optic lobes. In the retina, neither the photoreceptors...

journal_title：Neuroscience letters

authors： Walz B

更新日期：1988-02-15 00:00:00

abstract：:Subpopulations of cultured oligodendrocytes from mouse spinal cord respond with depolarization to glutamate and GABA. Heterogeneity in the oligodendrocyte population was indicated by the observation that some cells respond to both GABA and glutamate, while others respond to only one and some are not responsive to eith...

journal_title：Neuroscience letters

authors： Kettenmann H,Gilbert P,Schachner M

更新日期：1984-06-29 00:00:00

abstract：:Expression of vasoactive intestinal polypeptide (VIP) was studied in regenerating adult rat dorsal root ganglion (DRG) neurons in culture. VIP was not detected by radioimmunoassay in newly established cultures but increasing concentrations were observed between 2 and 4 days and VIP remained detectable for more than 2 ...

journal_title：Neuroscience letters

authors： Mulderry PK,Lindsay RM

更新日期：1990-01-22 00:00:00

abstract：:Apoptotic cell death is associated with condensation and fragmentation of the nuclear chromatin into apoptotic bodies. Such nuclei occur frequently following cerebral hypoxia-ischemia in 1 week old rats but seem sparse in older animals. We investigated the age dependence by counting pyknotic or punctate chromatin cont...

journal_title：Neuroscience letters

authors： Sidhu RS,Tuor UI,Del Bigio MR

更新日期：1997-02-21 00:00:00

abstract：:Parkinson's disease (PD) etiology has been attributed both to genetic and environmental factors, although the exact mechanisms of its pathogenesis remains elusive. We investigated Brazilian early-onset PD (EOPD) patients with PINK1 polymorphisms (SNPs) in order to find possible correlations between SNPs, environmental...

journal_title：Neuroscience letters

authors： Godeiro C Jr,Aguiar PM,Felício AC,Barsottini OG,Silva SM,Borges V,Andrade LA,Ferraz HB

更新日期：2010-01-18 00:00:00

abstract：:In the rat, unilateral intrastriatal injection of monoclonal antibodies to acetylcholinesterase (AChE) produced ipsilateral disappearance of AChE-positive nerve terminals within striatum and adjacent cortex. No alterations in striatal staining patterns were observed for tyrosine hydroxylase, somatostatin, neuropeptide...

journal_title：Neuroscience letters

authors： Bean AJ,Xu Z,Chai SY,Brimijoin S,Hökfelt T

更新日期：1991-11-25 00:00:00

abstract：:The present study evaluated the relationship between asymmetry of the prefrontal cortex activity and the automatic nervous system (ANS) response during a mental arithmetic (MA) task. Employing near infrared spectroscopy, we compared cerebral blood oxygenation changes in the right and left prefrontal cortices during a ...

journal_title：Neuroscience letters

authors： Tanida M,Sakatani K,Takano R,Tagai K

更新日期：2004-10-07 00:00:00

abstract：:Reduction of non-protein-bound iron (NPBI) using iron chelators may attenuate hypoxia-ischemia-induced reperfusion injury of the brain. This study investigated whether administration of low-dose deferoxamine and allopurinol, both having NPBI-chelating properties, reduced hypoxia-ischemia-induced NPBI formation in plas...

journal_title：Neuroscience letters

authors： Shadid M,Buonocore G,Groenendaal F,Moison R,Ferrali M,Berger HM,van Bel F

更新日期：1998-05-22 00:00:00