Abstract：
:A modified synaptosomal superfusion apparatus is described which uses less than 10 micrograms of tissue per replicate sample and facilitates the routine separation of 3H-DA, 3H-DOPAC, and 3H-HVA. A flow rate of 1.5 ml/min allows superfusion without the use of reuptake or monoamine oxidase inhibitors. Superfusate samples are collected directly onto alumina columns for the separation of 3H-DA and its acid metabolites. Total recovery of authentic 3H-DA applied via superfusion was 87.63(1.10) percent [Mean(SEM)]. Contamination of the acetic acid eluate fraction, containing 80.98(1.15)% of the total DA, by DOPAC and HVA was less than 0.1%. To illustrate the utility of this technique, the relative proportions of 3H-DA and 3H-metabolites released from synaptosomes by 6 mM potassium and 1 microM reserpine were compared.
journal_name
Brain Res Bulljournal_title
Brain research bulletinauthors
Petrie EC,Lombrozo L,Csernansky JGdoi
10.1016/0361-9230(90)90232-osubject
Has Abstractpub_date
1990-09-01 00:00:00pages
423-7issue
3eissn
0361-9230issn
1873-2747pii
0361-9230(90)90232-Ojournal_volume
25pub_type
杂志文章abstract：:Increasing evidence supports that dopamine (DA) plays an important role in the hippocampal function via activation of D1-like receptors (D1Rs). As the entry structure of the hippocampal formation, the hippocampal dentate gyrus (DG) is critically involved in spatial learning and memory. Despite a number of studies inve...
journal_title：Brain research bulletin
pub_type： 杂志文章
doi：10.1016/j.brainresbull.2018.11.010
更新日期：2019-01-01 00:00:00
abstract：:Blood-brain barrier permeability (BBB) to the inhibitory neurotransmitter gamma-amino butyric acid (GABA) was studied in rats following intraperitoneal (i.p) injections of GABA alone and in combination with L-Arginine (L-Arg). Administration of GABA (600 mg/kg body weight [b. wt.]) alone increased brain GABA concentra...
journal_title：Brain research bulletin
pub_type： 杂志文章
doi：10.1016/s0361-9230(01)00755-9
更新日期：2002-01-15 00:00:00
abstract：:The conditions under which amyloid is toxic to primary rat hippocampal neurons were investigated. Synthetic A beta (1-42) peptide elicited neurotoxic activity following "aging" for 7 to 14 days at 37 degrees C in Modified Eagles Media. Neurotoxicity included decreases in neurite length, cell number, and a loss in 3-[4...
journal_title：Brain research bulletin
pub_type： 杂志文章
doi：10.1016/0361-9230(95)02034-x
更新日期：1995-01-01 00:00:00
abstract：:Glutamate afferents reaching the ventral tegmental area (VTA) affect dopamine (DA) cells in this structure probably mainly via NMDA receptors. VTA appears to be one of the structures involved in regulation of hippocampal theta rhythm, and this work aimed at assessing the role of glutamatergic activation of the VTA in ...
journal_title：Brain research bulletin
pub_type： 杂志文章
doi：10.1016/j.brainresbull.2014.06.001
更新日期：2014-08-01 00:00:00
abstract：:To examine synaptic input and association of terminals containing dopamine and other transmitters to rat striatal nitric oxide synthase-expressing neurons, an electron microscopic study using tyrosine hydroxylase (TH) immunohistochemistry combined with histochemistry for NADPH-diaphorase (NADPHd) was performed. NADPHd...
journal_title：Brain research bulletin
pub_type： 杂志文章
doi：10.1016/0361-9230(96)00035-4
更新日期：1996-01-01 00:00:00
abstract：:It has been demonstrated that the posteromedial cortical amygdaloid nucleus (PMCo), is sexually dimorphic. It is shown (Experiment 1) that male orchidectomy on the day of birth (D1) decreases the volume and number of neurons of the PMCo, while a single injection of propionate testosterone to the female on D1 masculini...
journal_title：Brain research bulletin
pub_type： 杂志文章
doi：10.1016/s0361-9230(00)00332-4
更新日期：2000-10-01 00:00:00
abstract：:Chronic brain implants are accompanied by a tissue response that causes the loss of neurons in the vicinity of the implant and the formation of a glial scar that is also referred to as foreign body response. Despite immense progress in the field of brain-computer interface (BCI) research the biocompatibility of chroni...
journal_title：Brain research bulletin
pub_type： 杂志文章
doi：10.1016/j.brainresbull.2015.08.001
更新日期：2015-08-01 00:00:00
abstract：:We studied levels of mRNA for the alpha- and beta-subunits of calmodulin (CaM) kinase II using the amygdaloid kindling model of epilepsy. There were significant increases in mRNA for the beta-subunit of CaM kinase II in the hippocampus 4-24 h after stage 5-kindled seizures. Moreover, this mRNA was significantly increa...
journal_title：Brain research bulletin
pub_type： 杂志文章
doi：10.1016/s0361-9230(97)00022-1
更新日期：1997-01-01 00:00:00
abstract：:Rats were tested in the elevated plus-maze test of anxiety after a probe injection of chlordiazepoxide (CDP 5 mg/kg) following short-term (5 days) or long-term (20 days) pretreatment with 5 or 20 mg/kg/day. After short-term pretreatment with either dose, the probe dose had anxiolytic effects (it increased the % number...
journal_title：Brain research bulletin
pub_type： 杂志文章
doi：10.1016/0361-9230(87)90079-7
更新日期：1987-11-01 00:00:00
abstract：:Neuronal nitric oxide synthase (nNOS) has been reported to be up-regulated in the hypothalamic supraoptic nucleus (SON) during dehydration which in turn could increase nitric oxide (NO) production and consequently affect arginine vasopressin (AVP) secretion. The anteroventral third ventricle (AV3V) region has strong a...
journal_title：Brain research bulletin
pub_type： 杂志文章
doi：10.1016/j.brainresbull.2011.07.020
更新日期：2011-10-10 00:00:00
abstract：:The transcription factor cAMP response element-binding protein (CREB) promotes target DNA transcription in response to cellular stimulation in brain neurons. Phosphorylation of CREB is regulated by a variety of extracellular and intracellular signals. In this study, protein kinase C (PKC)-regulated CREB phosphorylatio...
journal_title：Brain research bulletin
pub_type： 杂志文章
doi：10.1016/j.brainresbull.2007.01.009
更新日期：2007-05-30 00:00:00
abstract：:We celebrate in 1998 the centenary of the discovery of the Golgi apparatus. Neurones have played a special role in the history of this cell organelle, primarily because the endocellular apparatus was discovered in nerve cells by Camillo Golgi when he was studying the cerebellum of an owl. In the following years, the a...
journal_title：Brain research bulletin
pub_type： 传,历史文章,杂志文章,评审
doi：10.1016/s0361-9230(98)00080-x
更新日期：1998-10-01 00:00:00
abstract：:Neuroimaging studies in patients suffering from affective disorders have shown decreased volume and reduced regional cerebral blood flow in multiple areas of the prefrontal cortex, including the medial prefrontal cortex and the orbitofrontal cortex. This aberrant brain activity is among other things attributed to chro...
journal_title：Brain research bulletin
pub_type： 杂志文章
doi：10.1016/j.brainresbull.2003.08.004
更新日期：2003-10-15 00:00:00
abstract：:The labelling of hypothalamic binding sites by [125I]-FK, a specific mu-opioid receptor ligand, was studied in female C57BL/6J mice to test whether removal of ovarian steroids affected the density of distribution of receptor binding. Labelling densities in the forebrain of normally cycling (intact) females (N = 12), w...
journal_title：Brain research bulletin
pub_type： 杂志文章
doi：10.1016/0361-9230(93)90093-q
更新日期：1993-01-01 00:00:00
abstract：:Aluminium is highly neurotoxic and inhibits prenatal and postnatal development of the brain in humans and experimental animals. However, the incorporation of aluminium into the brain of fetuses and sucklings during gestation and lactation has not been well clarified because aluminium lacks a suitable isotope for a tra...
journal_title：Brain research bulletin
pub_type： 杂志文章
doi：10.1016/s0361-9230(01)00509-3
更新日期：2001-05-15 00:00:00
abstract：:Entrainment of the dominant circadian pacemaker localised to the hypothalamic suprachiasmatic nuclei (SCN) is mediated partially via the indirect retino-geniculo-hypothalamic projection to the SCN, which is presumed to utilise enkephalin and other neurotransmitters, to modulate circadian rhythmicity. In the present st...
journal_title：Brain research bulletin
pub_type： 杂志文章
doi：10.1016/s0361-9230(99)00069-6
更新日期：1999-09-15 00:00:00
abstract：:Intracerebral hemorrhage (ICH) is a devastating form of stroke leading to a high rate of death and disability worldwide. Although it has been hypothesized that much of the IHC insult occurs in the subacute period mediated via a series of complex pathophysiological cascades, the molecular mechanisms involved in ICH hav...
journal_title：Brain research bulletin
pub_type： 杂志文章
doi：10.1016/j.brainresbull.2014.02.005
更新日期：2014-03-01 00:00:00
abstract：:Scientific reports suggest that the exposure to long-term stressors throughout or during late gestation increase anxiety- and depression-like behaviors of offspring in their later life. Moreover, several studies concluded that increasing age correlates with increased anxiety behaviors in humans and rodents. In the pre...
journal_title：Brain research bulletin
pub_type： 杂志文章
doi：10.1016/j.brainresbull.2011.08.015
更新日期：2012-02-10 00:00:00
abstract：:The effects of delta-9-tetrahydrocannabinol (delta-9-THC) on monosynaptic population responses in hippocampal CA1 pyramidal cells were examined in acute rats for several doses and at several post injection time periods. Delta-9-THC enhanced paired pulse inhibition in a dose-dependent manner; however biphasic dose effe...
journal_title：Brain research bulletin
pub_type： 杂志文章
doi：10.1016/0361-9230(82)90042-9
更新日期：1982-02-01 00:00:00
abstract：:The vestibulo-ocular reflex (VOR) has historically been considered a computationally simple reflex: to stabilize images on the retina against imposed head rotation, the eyes must be counterrotated by an equal amount in the opposite direction. During almost any head rotation, however, the eyes are also translated. We s...
journal_title：Brain research bulletin
pub_type： 杂志文章
doi：10.1016/0361-9230(96)00118-9
更新日期：1996-01-01 00:00:00
abstract：:Enhancing inhibition via gamma-aminobutyric acid type A (GABA(A)) receptors contributes to anesthetic-induced impairment of long-term potentiation (LTP) of excitatory synaptic transmission, which may account for general anesthesia-associated memory impairment (amnesia). The neuron-specific K+ -Cl- cotransporter 2 (KCC...
journal_title：Brain research bulletin
pub_type： 杂志文章
doi：10.1016/j.brainresbull.2006.07.004
更新日期：2006-10-16 00:00:00
abstract：:Effects of the selective alpha 2-adrenoceptor agonist, medetomidine, on a compound volley of a tibial nerve stimulation-evoked spinal reflex, pain-induced phrenic motor responses and on postoperative neuropathic pain behavior were studied in rats. Medetomidine (0.3 mg/kg) decreased the amplitude of the compound volley...
journal_title：Brain research bulletin
pub_type： 杂志文章
doi：10.1016/0361-9230(94)00245-v
更新日期：1995-01-01 00:00:00
abstract：:Our previous in vivo structure-activity studies suggested that the putative receptors mediating the effects of NPY and NPY2-36 on food intake and body temperature are pharmacologically different [17]. In the present study, we examined and compared dose-related effects of NPY and NPY2-36 on ad lib food intake and recta...
journal_title：Brain research bulletin
pub_type： 杂志文章
doi：10.1016/0361-9230(94)00177-3
更新日期：1995-01-01 00:00:00
abstract：:Intra-arterial administration of papaverine has been revealed to cause an increase in the blood-brain tumor barrier (BTB) permeability. The exact mechanism of papaverine opening the BTB in chemotherapy of malignant cerebral tumors, however, has not been well described. We used a rat brain glioma (C6) model for studyin...
journal_title：Brain research bulletin
pub_type： 杂志文章
doi：10.1016/j.brainresbull.2010.08.009
更新日期：2010-11-20 00:00:00
abstract：:Nicotinic acetylcholine (ACh) and dopamine (DA) receptor activation has been found to be important for working memory. The regional distribution of these receptors in the brain has been well characterized. However, the relationship of the region-specific nicotinic ACh and DA binding density to memory performance has n...
journal_title：Brain research bulletin
pub_type： 杂志文章
doi：10.1016/s0361-9230(97)00009-9
更新日期：1997-01-01 00:00:00
abstract：:The nucleus locus coeruleus (LC) has been implicated in the modulation of the spinal sensorimotor function. The aim of the present study was to examine the effect of electrical stimulation of the LC on sensorimotor function in the trigeminal system. The following two cases of sensorimotor behaviors mediated by the tri...
journal_title：Brain research bulletin
pub_type： 杂志文章
doi：10.1016/s0361-9230(00)00426-3
更新日期：2000-12-01 00:00:00
abstract：:The aim of the present study was to investigate the effects of activation of metabotropic glutamate receptors (mGluR) on the extracellular concentrations of GABA and acetylcholine in the prefrontal cortex of freely moving rats of different groups of age. Perfusion, through the microdialysis probe, of the agonist of mG...
journal_title：Brain research bulletin
pub_type： 杂志文章
doi：10.1016/j.brainresbull.2004.10.010
更新日期：2005-02-15 00:00:00
abstract：:Mechanisms underlying shock-induced conditioned fear - a paradigm frequently used to model posttraumatic stress disorder, PTSD - are usually studied shortly after shocks. Some of the brain regions relevant to conditioned fear were activated in all the c-Fos studies published so far, but the overlap between the activat...
journal_title：Brain research bulletin
pub_type： 杂志文章
doi：10.1016/j.brainresbull.2012.04.001
更新日期：2012-07-01 00:00:00
abstract：:An enhanced production of hypothalamic neuropeptide Y (NPY) now appears to underlie a number of hyperphagia syndromes. However, the role of NPY in the hyperphagia induced by hypothalamic lesions has not yet been explored. Here, hypothalamic lesions were induced in mice by administration of goldthioglucose (GTG) and br...
journal_title：Brain research bulletin
pub_type： 杂志文章
doi：10.1016/0361-9230(92)90071-5
更新日期：1992-09-01 00:00:00
abstract：:A current response induced by superfusing adenosine was examined in substantia gelatinosa (SG) neurons of adult rat spinal cord slices by using the whole-cell patch-clamp technique. In 78% of the neurons examined, adenosine induced an outward current at -70 mV [18.8 +/- 1.1 pA (n = 98) at 1mM] in a dose-dependent mann...
journal_title：Brain research bulletin
pub_type： 杂志文章
doi：10.1016/j.brainresbull.2004.05.002
更新日期：2004-07-30 00:00:00
