解剖学和形态学
麻醉学
听力与言语-语言病理学
行为科学
心脏和心血管系统
细胞和组织工程学
临床神经病学
危重症监护医学
牙科,口腔外科和医学
皮肤病学
急诊医学
内分泌学和新陈代谢
肠胃学和肝脏学
老人病学和老年医学
卫生保健科学和服务
血液学
免疫学
传染病
综合和补充性医学
医学伦理学
医学信息学
医学实验室技术
医学,全科和内科
医学,法律
医学,研究和试验
神经系统科学
护理
营养学和饮食学
产科医学和妇科医学
肿瘤学
眼科学
整形外科学
耳鼻喉科学
病理学
儿科学
周围血管疾病
药理学和药剂学
生理学
基本医疗保健
精神病学
公共、环境和职业卫生
放射学,核医学和医学成像
康复学
生殖生物学
呼吸系统
风湿病学
运动科学
外科学
毒理学
热带医学
泌尿学和肾脏学
病毒学
老年医学
健康政策和服务
心理学,临床
abstract::Tritiated dipyridamole, a specific adenosine uptake inhibitor binds in a saturable and reversible fashion to high-affinity receptor sites in guinea pig brain sections (Kd = 10 +/- 1.5 nM; Bmax = 650 +/- 100 fmol/mg prot.). The anatomical distribution of [3H]dipyridamole binding sites obtained with autoradiographic tec...
journal_title:Neuroscience letters
pub_type: 杂志文章
doi:10.1016/0304-3940(86)90043-1
更新日期:1986-05-23 00:00:00
abstract::The axonal efferents of neurons of the supraoptic nucleus area were studied by radioautography in the rat after discrete stereotaxic injections of [3H]leucine into this nucleus. Beside a densely labeled pathway running from the nucleus to the posterior pituitary through the internal median eminence, several of the vis...
journal_title:Neuroscience letters
pub_type: 杂志文章
doi:10.1016/0304-3940(86)90027-3
更新日期:1986-05-23 00:00:00
abstract::The distribution of Purkinje cells projecting to the descending vestibular nucleus was studied in lobule IX (uvula) of the cat by the retrograde wheat germ agglutinin-horseradish peroxidase method. In the transverse plane labeled Purkinje cells were seen diffusely within 1.0 mm from the midline and densely for 250-500...
journal_title:Neuroscience letters
pub_type: 杂志文章
doi:10.1016/0304-3940(86)90034-0
更新日期:1986-05-23 00:00:00
abstract::Benzodiazepine (BZ) recognition sites of the 'peripheral' type were localized autoradiographically in human postmortem brain and kidney using [3H]Ro 5-4864. These sites presented a relatively homogeneous distribution. Areas such as the ependyma, choroid plexus and olfactory bulb, which in the rat are very rich in thes...
journal_title:Neuroscience letters
pub_type: 杂志文章
doi:10.1016/0304-3940(86)90181-3
更新日期:1986-05-15 00:00:00
abstract::The whole-cell configuration of the patch-clamp technique was applied to porcine pars intermedia cells. A tetrodotoxin-sensitive sodium current was recorded. Three types of calcium current were observed. Depolarizations from a holding potential of 100 mV elicited a transient current (ICaT), whereas depolarizations fro...
journal_title:Neuroscience letters
pub_type: 杂志文章
doi:10.1016/0304-3940(86)90165-5
更新日期:1986-05-06 00:00:00
abstract::The actions of acridinic acid (2,3-quinoline dicarboxylic acid), a new derivative of quinolinic acid, as an antagonist of amino acid-induced excitations are described. Acridinate, like kynurenate, in the cerebral cortex reduced the effects of all amino acids equally, but in the spinal cord was significantly less activ...
journal_title:Neuroscience letters
pub_type: 杂志文章
doi:10.1016/0304-3940(86)90173-4
更新日期:1986-05-06 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
pub_type: 杂志文章
doi:10.1016/0304-3940(86)90170-9
更新日期:1986-05-06 00:00:00
abstract::Selective unilateral 6-hydroxydopamine lesion of the nigrostriatal dopaminergic neurones in rats resulted, 12 to 90 days later, in a marked increase in the number of neuropeptide Y (NPY)-immunoreactive perikarya in the ipsilateral deafferented striatum compared to the contralateral intact side in the same animal and t...
journal_title:Neuroscience letters
pub_type: 杂志文章
doi:10.1016/0304-3940(86)90174-6
更新日期:1986-05-06 00:00:00
abstract::In guinea pig hippocampal slices, 4-aminopyridine (4-AP) in concentrations of 100-500 microM reduced the adaptation of CA3 pyramidal neurons to depolarizing stimuli, resulting in a prolongation of repetitive firing during injection of long-lasting depolarizing currents. Concurrently, there was a decrease in the 'sag' ...
journal_title:Neuroscience letters
pub_type: 杂志文章
doi:10.1016/0304-3940(86)90281-8
更新日期:1986-04-24 00:00:00
abstract::The autoradiographic [14C]2-deoxyglucose (2-DG) method was used to map the descending effects of midbrain reticular stimulation on the rat cervical spinal cord. The stimulation evoked consistently a defensive 'freezing' reaction as well as a large and highly localized increase in 2-DG uptake in the substantia gelatino...
journal_title:Neuroscience letters
pub_type: 杂志文章
doi:10.1016/0304-3940(86)90283-1
更新日期:1986-04-24 00:00:00
abstract::Basal and interferon (IFN)-induced levels of (2'-5') oligoadenylate synthetase activity were measured in astrocyte cultures from the mouse cerebral cortex, in neurone-enriched and mixed cerebellar cultures, and in two continuous neural cell lines by a radioimmunoassay procedure. All untreated cultures contained measur...
journal_title:Neuroscience letters
pub_type: 杂志文章
doi:10.1016/0304-3940(86)90293-4
更新日期:1986-04-11 00:00:00
abstract::The intracerebroventricular injection of the mast cell degranulator, compound 48/80 (C48/80, 10 micrograms/kg), produced a marked behavioural syndrome in rats which included head and body shakes, paw tremor, excessive grooming, unusual posture and gait, mild diarrhoea, piloerection, extreme agitation and irritability ...
journal_title:Neuroscience letters
pub_type: 杂志文章
doi:10.1016/0304-3940(86)90124-2
更新日期:1986-03-28 00:00:00
abstract::In anesthetized rats, injections of a 0.5 mM glutamate solution into the locus coeruleus (LC) reversibly increased the amplitude of the population spike evoked in CA1 by stimulation of the Schaffer-commissural fiber tract. This effect was absent in N-(2-chloroethyl)-N-ethyl-2-bromobenzylamine (DSP-4)-treated, noradren...
journal_title:Neuroscience letters
pub_type: 杂志文章
doi:10.1016/0304-3940(86)90112-6
更新日期:1986-03-28 00:00:00
abstract::The combined hypothalamus-thalamus-septum and anteroventral third ventricular region (HTSA) of the rat was examined for [125I]angiotensin II ([125I]AII) binding using two protocols: one that preserved synaptosomal structure and a second that did not. Although maximum binding (Bmax) and dissociation constants (Kd) were...
journal_title:Neuroscience letters
pub_type: 杂志文章
doi:10.1016/0304-3940(86)90114-x
更新日期:1986-03-28 00:00:00
abstract::Lucifer Yellow (LY) selectively labels embryonic chick amacrine cells from days 11 until 14 in vivo. Its usefulness as an in vitro marker was investigated. In vivo labeling and subsequent culturing was not possible due to dye leakage. Neurons, however, could be labeled at various times in vitro. The number of neurons ...
journal_title:Neuroscience letters
pub_type: 杂志文章
doi:10.1016/0304-3940(86)90341-1
更新日期:1986-03-14 00:00:00
abstract::Changes in adenosine 3',5'-cyclic monophosphate (cAMP) concentration were measured in cortical synaptosomes. Preincubation with adenosine deaminase reduced cAMP concentration by 45%. Oxotremorine, clonidine, gamma-aminobutyric acid (GABA) and baclofen produced no change in basal concentration. 2-Chloroadenosine and no...
journal_title:Neuroscience letters
pub_type: 杂志文章
doi:10.1016/0304-3940(86)90088-1
更新日期:1986-02-28 00:00:00
abstract::We have studied a monkey model of lingual dyskinesia, due to a midbrain lesion, which is markedly increased by apomorphine. In such animals a single large intramuscular dose of haloperidol (HAL), 1 mg/kg, almost completely abolishes the apomorphine potentiation after 24 h, but 15 days later there is a 5-fold increase ...
journal_title:Neuroscience letters
pub_type: 杂志文章
doi:10.1016/0304-3940(86)90101-1
更新日期:1986-02-28 00:00:00
abstract::The norepinephrine (NE) and dopamine (DA) content of the cat carotid body (CB) in vivo was investigated under normoxic and hypoxic conditions (5% O2 for 1 h) by radiolabelling method. To avoid a large scattering of the measured values due to inhomogeneity of the biological material, young sib animals were used. The me...
journal_title:Neuroscience letters
pub_type: 杂志文章
doi:10.1016/0304-3940(86)90664-6
更新日期:1986-02-14 00:00:00
abstract::Hippocampal choline acetyltransferase was reduced by 89% in rats two weeks after electrolytic lesion of the septum. The hippocampal concentrations of somatostatin (SOM)-14, SOM-28 and high-molecular-weight SOM were unaltered, suggesting that the activity of hippocampal SOM neurones is not influenced by cholinergic aff...
journal_title:Neuroscience letters
pub_type: 杂志文章
doi:10.1016/0304-3940(86)90363-0
更新日期:1986-01-30 00:00:00
abstract::Single-unit recordings were made from the zona incerta of the subthalamic region of conscious sheep during ingestion. Some cells responded to ingestion and not to associated chewing, arousal or odour stimuli. Most cells changed their activity shortly after food entered the mouth and throughout ingestion, but a few res...
journal_title:Neuroscience letters
pub_type: 杂志文章
doi:10.1016/0304-3940(86)90362-9
更新日期:1986-01-30 00:00:00
abstract::Distributions of one sensory and 13 motor axons to intrafusal fibers in a human spindle from the biceps brachii muscle were reconstructed from serial, 1 micron thick transverse sections. The primary afferent was distributed predominantly to nuclear bag fibers. Motor innervation in the human spindle was characterized b...
journal_title:Neuroscience letters
pub_type: 杂志文章
doi:10.1016/0304-3940(86)90058-3
更新日期:1986-01-16 00:00:00
abstract::In the presence of atropine electrical transmural stimulation (using repetitive volleys, e.g. 3 pulses at 50 Hz applied every 4 s) of full thickness longitudinal strips of guinea-pig ileum produced non-cholinergic excitatory junction potentials (EJPs) and inhibitory junction potentials (IJPs) in the circular muscle la...
journal_title:Neuroscience letters
pub_type: 杂志文章
doi:10.1016/0304-3940(86)90006-6
更新日期:1986-01-02 00:00:00
abstract::Eight male rats were deprived of rapid eye movement (REM) sleep for 6 days by means of a cuff pedestal which makes it possible to use the animal as its own control. In order to obtain access to food, the rat had to jump from its pedestal to a strip of wire mesh suspended from the ceiling of the deprivation chamber. Th...
journal_title:Neuroscience letters
pub_type: 杂志文章
doi:10.1016/0304-3940(86)90011-x
更新日期:1986-01-02 00:00:00
abstract::The present study confirmed histopathologically the suggestion that pulmonary edema may underlie the fulminant death following microinjection of kainic acid into many medullary sites in rats anesthetized with pentobarbital sodium. We also observed a sustained elevation in systemic arterial pressure, cardiac contractil...
journal_title:Neuroscience letters
pub_type: 杂志文章
doi:10.1016/0304-3940(85)90572-5
更新日期:1985-12-18 00:00:00
abstract::Ferrets show a sensitive phase in their postnatal development during which they can become imprinted to food odors. At the same time the number of granule cell spines in the olfactory bulb reaches a maximum, declining significantly thereafter. In ferrets, exposed continuously to saturated levels of geraniol odor in th...
journal_title:Neuroscience letters
pub_type: 杂志文章
doi:10.1016/0304-3940(85)90350-7
更新日期:1985-12-04 00:00:00
abstract::Selective injection of horseradish peroxidase (HRP) into the left and median lobes (LM) and into the right and caudate (RC) lobes of the liver is followed by labeling of neuronal somata in the right and left nodose ganglia. The size distribution of the labeled neuronal population shows that the afferent neurons from t...
journal_title:Neuroscience letters
pub_type: 杂志文章
doi:10.1016/0304-3940(85)90364-7
更新日期:1985-12-04 00:00:00
abstract::An intraperitoneal injection of 0.1 nmol uridine in rats resulted in a transient excess slow-wave sleep if administered shortly before onset of the dark period. The sleep latency was remarkably shortened. A small dose (0.01 nmol) and larger doses (1, 10, 100 nmol) caused no effect. Uridine at a dose of 0.1 nmol was en...
journal_title:Neuroscience letters
pub_type: 杂志文章
doi:10.1016/0304-3940(85)90297-6
更新日期:1985-11-20 00:00:00
abstract::Fibroblast growth factor (FGF), epidermal growth factor (EGF) and insulin added in combination to the culture medium in which normal human muscle was cultured caused a 4.0-fold (P less than 0.005) increase of the total number of nicotinic acetylcholine receptors (AChRs) and a 4.5-fold (P less than 0.001) increase in A...
journal_title:Neuroscience letters
pub_type: 杂志文章
doi:10.1016/0304-3940(85)90427-6
更新日期:1985-10-24 00:00:00
abstract::[3H]Nitrendipine bound to cerebral cortex membranes is displaced more efficiently by verapamil in old rats (24 months old) compared to young ones (3 months old). In addition, [3H]verapamil binding was studied in detail in 3-, 12- and 24-month-old rats. Aging increases the Bmax of [3H]verapamil, leaving the affinity un...
journal_title:Neuroscience letters
pub_type: 杂志文章
doi:10.1016/0304-3940(85)90402-1
更新日期:1985-10-24 00:00:00
abstract::By means of light microscopic autoradiography, binding sites for the gamma-aminobutyric acid (GABA) analogues, 4,5,6,7-tetrahydroisoxazolo[5,4-c]pyridin-3-ol ([7-3H]THIP), [3H]isoguvacine and [3H]baclofen were found on many cultured cerebellar and spinal neurons of fetal and newborn rats. The number of neurons labelle...
journal_title:Neuroscience letters
pub_type: 杂志文章
doi:10.1016/0304-3940(85)90417-3
更新日期:1985-10-24 00:00:00
abstract::Age-related changes in the brain's saturable, specific, carrier-mediated transport system for the small, N-tyrosinated peptides Tyr-MIF-1 (Tyr-Pro-Leu-Gly-NH2) and methionine-enkephalin (Met-Enk) were studied in Fischer 344 rats aged 4 and 26 months. These studies showed statistically significant differences between t...
journal_title:Neuroscience letters
pub_type: 杂志文章
doi:10.1016/0304-3940(85)90420-3
更新日期:1985-10-24 00:00:00
abstract::Leucine-enkephalin-like immunoreactive (ENK-LI) afferent fibers to the feline homologue of the Onuf's nucleus (pudendal motoneurons) originate mainly from lamina X of the sacral cord. They make synaptic contacts chiefly upon dendrites of pudendal motoneurons; the synaptic terminals most often contain pleomorphic synap...
journal_title:Neuroscience letters
pub_type: 杂志文章
doi:10.1016/0304-3940(85)90409-4
更新日期:1985-10-24 00:00:00
abstract::Olivary hypertrophy, a combined retrograde and transneuronal reaction, is found in cells of the inferior olive after cerebellar ablation in the cat. Its chief features are central chromatolysis and hypertrophy of the peripherally located granular endoplasmatic reticulum with accumulation of electron-dense material in ...
journal_title:Neuroscience letters
pub_type: 杂志文章
doi:10.1016/0304-3940(85)90399-4
更新日期:1985-10-24 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
pub_type: 杂志文章
doi:10.1016/0304-3940(85)90600-7
更新日期:1985-10-10 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
pub_type: 杂志文章
doi:10.1016/0304-3940(85)90598-1
更新日期:1985-10-10 00:00:00
abstract::Injection of the triceps brachii muscle of the rat with horseradish peroxidase (HRP) led to labeling of motoneurons in the dorsolateral and ventral aspects of the ventral grey horn of the brachial spinal cord. Ventral, labeled neurons were absent, however, in rats in which the motor branches of the radial nerve to tri...
journal_title:Neuroscience letters
pub_type: 杂志文章
doi:10.1016/0304-3940(85)90596-8
更新日期:1985-10-10 00:00:00
abstract::C57 black mice given a single injection of N-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP), 40 mg/kg, developed marked reduction of striatal dopamine content and loss of dopaminergic neurons in the zona compacta of the substantia nigra. However, pretreatment with any one of four different antioxidants, alpha-tocop...
journal_title:Neuroscience letters
pub_type: 杂志文章
doi:10.1016/0304-3940(85)90229-0
更新日期:1985-09-30 00:00:00
abstract::Previously published data have indicated that in the rat, unlike other species examined, the kidney is not supplied by sensory nerves containing substance P (SP). As part of a study of reflex control of renal function in the rat, we have now reassessed this situation. Many fine, varicose, SP-immunoreactive nerve fiber...
journal_title:Neuroscience letters
pub_type: 杂志文章
doi:10.1016/0304-3940(85)90241-1
更新日期:1985-09-30 00:00:00
abstract::Patch-clamp pipettes filled with 50-5000 microM glutamate were placed on crayfish muscle fibers treated with collagenase, formed G omega seals and elicited single-channel currents with a main amplitude of about -8 pA at -70 mV membrane potential, representing a conductance of about 100 pS (19 degrees C). Evaluation of...
journal_title:Neuroscience letters
pub_type: 杂志文章
doi:10.1016/0304-3940(85)90138-7
更新日期:1985-09-06 00:00:00
abstract::Copulation was induced in pairs of Aplysia fasciata by adding to the environment a homogenate of the distal portion of the large hermaphroditic duct. Similar effects were not observed in response to an abdominal ganglion homogenate. The data suggest that the duct may secrete a pheromone initiating copulation in Aplysi...
journal_title:Neuroscience letters
pub_type: 杂志文章
doi:10.1016/0304-3940(85)90153-3
更新日期:1985-09-06 00:00:00