Abstract：
:Both the lateral hypothalamus (LH) and reticular thalamus (RT) have been implicated in the integration of a variety of vital functions. To determine relevant connections more specifically between cells of these two regions in the rat, functional neurophysiological and horseradish peroxidase (HRP) histochemical techniques were utilized. Single pulse electrical stimulation of the RT modified the discharge frequency of the majority of LH neurons tested. LH neuronal responses to RT stimulation included; inhibition (66.32%), excitation followed by inhibition (6.12%), and excitation (7.14%). Because RT stimulation resulted primarily in the inhibition of LH neuronal activity with a relative short mean latency of 1.87 +/- 0.23 ms, the existence of a possible direct inhibitory pathway from the RT to LH also was evaluated using HRP histochemistry. Retrogradely HPR labeled soma were identified in the RT after HRP was ejected extracellularly onto LH neurons, which exhibited a decrease in spontaneous activity in response to RT stimulation. These data demonstrate direct projections from the RT to the LH. In addition, HRP labeling of neurons and axons in the zona incerta-LH area following LH HRP ejections suggest this route as a synaptic pathway from RT to LH.
journal_name
Brain Res Bulljournal_title
Brain research bulletinauthors
Barone FC,Cheng JT,Wayner MJdoi
10.1016/0361-9230(94)90083-3subject
Has Abstractpub_date
1994-01-01 00:00:00pages
575-82issue
5eissn
0361-9230issn
1873-2747pii
0361-9230(94)90083-3journal_volume
33pub_type
杂志文章abstract：:4-Hydroxy-4-phenylcaproamide (HPhCA), at high doses or rates of IV injection depressed the ventral root reflexes elicited by nerve or dorsal root stimulation. The D (direct) and I (synaptic) ventral root waves and the antidromic (A) dorsal root wave evoked by intraspinal stimulation were also depressed. Similar effect...
journal_title：Brain research bulletin
pub_type： 杂志文章
doi：10.1016/0361-9230(94)90242-9
更新日期：1994-01-01 00:00:00
abstract：:Ca(2+)/calmodulin-dependent kinase II (CaMKII) is an abundant synaptic signalling molecule that is essential for memory formation and the induction of synaptic potentiation. Additionally, CaMKII plays a prominent role in synaptic tagging and metaplasticity. These abilities are mediated by kinase activity as well as bi...
journal_title：Brain research bulletin
pub_type： 杂志文章,评审
doi：10.1016/j.brainresbull.2010.10.009
更新日期：2011-04-25 00:00:00
abstract：:We carried out a study to establish ribonucleic acid (RNA) content in the nucleus and cytoplasm of single neuronal cells from the dorsal lateral geniculate nucleus (dLGN) of 3-30 month-old rats. Mean RNA content was calculated as the product of RNA concentration and nuclear or cytoplasmic surface. The analysis of neur...
journal_title：Brain research bulletin
pub_type： 杂志文章
doi：10.1016/s0361-9230(98)00015-x
更新日期：1998-06-01 00:00:00
abstract：:We previously reported that a low threshold action of norepinephrine (NE) on the cerebellar circuitry is expressed as an amplification of the inhibitory action of gamma aminobutyric acid (GABA) on Purkinje cell activity. Here we examined the effects of locus coeruleus (LC) stimulation on "off-beam" inhibitions of Purk...
journal_title：Brain research bulletin
pub_type： 杂志文章
doi：10.1016/0361-9230(83)90211-3
更新日期：1983-06-01 00:00:00
abstract：:Nitric oxide (NO) is the main activator of the soluble guanylate cyclase (sGC)-guanosine 3'5' cyclic monophosphate (cGMP) pathway. The level of cGMP is regulated by phosphodiesterases (PDEs), which break down cGMP. It has been reported that levels of NO in the central nervous system (CNS) can greatly increase during d...
journal_title：Brain research bulletin
pub_type： 杂志文章
doi：10.1016/j.brainresbull.2014.04.002
更新日期：2014-05-01 00:00:00
abstract：:After spinal cord injury (SCI) of the cat or rat neuronal centres below the level of lesion exhibit plasticity that can be exploited by specific training paradigms. In individuals with complete or incomplete SCI, human spinal locomotor centers can be activated by appropriate afferent input. This includes to facilitate...
journal_title：Brain research bulletin
pub_type： 杂志文章,评审
doi：10.1016/S0361-9230(08)00410-3
更新日期：2009-01-15 00:00:00
abstract：:Urethane is often used as a central anaesthetic in neurophysiological studies of drug effects. In this experiment, the effect of morphine on cortical EEG and single units of hippocampus and medial thalamus were compared in urethane-anaesthetized and paralyzed-awake rats. In each case, there was evidence of a morphine-...
journal_title：Brain research bulletin
pub_type： 杂志文章
doi：10.1016/0361-9230(80)90183-5
更新日期：1980-03-01 00:00:00
abstract：:A wealth of previous studies reported pathological alterations in extrahippocampal regions in mesial temporal lobe epilepsy. Previous experimental findings have also demonstrated that the entorhinal cortex and the neocortex are damaged in different animal models of acute limbic seizures. The present study was aimed at...
journal_title：Brain research bulletin
pub_type： 杂志文章
doi：10.1016/s0361-9230(02)00811-0
更新日期：2002-08-15 00:00:00
abstract：:A number of biological risk factors have been implicated for Alzheimer's disease (AD). The investigation of prevalence rates of AD in crosscultural populations has much potential in validating these factors. We previously assessed brain amyloid beta (A beta) protein deposition and other lesions associated with AD as p...
journal_title：Brain research bulletin
pub_type： 杂志文章,评审
doi：10.1016/s0361-9230(97)00310-9
更新日期：1997-01-01 00:00:00
abstract：:Various hypotheses are reviewed concerning the mechanisms of feeding induced by insulin or 2DG. New data are presented to show that elevated plasma ketone levels are not sufficient to suppress 2DG feeding, suggesting that nourishment of the brain either does not occur or is not sufficient to stop 2DG feeding. We find ...
journal_title：Brain research bulletin
pub_type： 杂志文章
doi：10.1016/0361-9230(85)90111-x
更新日期：1985-06-01 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：:Amyotrophic lateral sclerosis (ALS) is the most common motor neuron (MN) disease and is clinically characterised by the death of corticospinal motor neurons (CSMNs), spinal and brainstem MNs and the degeneration of the corticospinal tract. Degeneration of CSMNs and MNs leads inexorably to muscle wastage and weakness, ...
journal_title：Brain research bulletin
pub_type： 杂志文章,评审
doi：10.1016/j.brainresbull.2018.05.023
更新日期：2018-06-01 00:00:00
abstract：:Morphine exposure may have a negative effect on the receptive field properties of neurons in primary visual cortex of cats. The present experiment used morphological methods in order to investigate whether chronic morphine treatment also affects dendritic characters of these neurons. According to the Sholl analysis an...
journal_title：Brain research bulletin
pub_type： 杂志文章
doi：10.1016/j.brainresbull.2008.06.007
更新日期：2008-09-30 00:00:00
abstract：:The pathomechanisms involved in the neuronal dysfunction in Huntington disease (HD) are still unresolved and may be heterogeneous. One potential mechanism might be related to the induction of mitochondrial dysfunction in the CNS. This might lead firstly to neuronal dysfunction and finally to the activation of apoptoti...
journal_title：Brain research bulletin
pub_type： 杂志文章,评审
doi：10.1016/j.brainresbull.2006.10.020
更新日期：2007-04-30 00:00:00
abstract：:Reserpine depletes dopamine (DA) levels and increases tyrosine hydroxylase (TH) activity in the rat corpus striatum. TH is activated not only by enhancement of DA neuronal impulse flow, but also by cessation of impulse flow. To assist in the understanding of the relative contribution of impulse flow to the regulation ...
journal_title：Brain research bulletin
pub_type： 杂志文章
doi：10.1016/s0361-9230(81)80037-8
更新日期：1981-02-01 00:00:00
abstract：:Vagal nerve stimulation (VNS) is known as an effective method of treatment in a number of neurological disorders. The low risk of side effects also makes it useful in clinical trials in other diseases. Branches of the vagal nerve innervate the anatomical structures known to be involved in memory processing. That is wh...
journal_title：Brain research bulletin
pub_type： 杂志文章,评审
doi：10.1016/j.brainresbull.2019.11.011
更新日期：2020-02-01 00:00:00
abstract：:Somatostatin immunoreactive (SOM-I) perikarya were first observed in the ventral horn at E12, in the presumptive intermediate gray area at E14, and in the alar plate of the rostral spinal cord at E14. In general, after their initial appearance, their density increased and then decreased during development. A moderate ...
journal_title：Brain research bulletin
pub_type： 杂志文章
doi：10.1016/0361-9230(88)90125-6
更新日期：1988-07-01 00:00:00
abstract：:Neurodevelopmental disorders such as autism and schizophrenia involve social interaction problems and poor mentalizing abilities, associated with abnormal regional cerebral activity. Similar problems may be present in aggressive personality disorders and psychopathy. This paper reviews brain imaging data from research...
journal_title：Brain research bulletin
pub_type： 杂志文章,评审
doi：10.1016/j.brainresbull.2006.01.008
更新日期：2006-04-14 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：:Prior results (37) showed that morphine pretreatment reduces the escape response of the crab Chasmagnathus to a shadow passing overhead and prevents the acquisition of a long-term habituation. These results were explained by a reduction in the danger signalled by the stimulus, and to test this hypothesis methods other...
journal_title：Brain research bulletin
pub_type： 杂志文章
doi：10.1016/0361-9230(91)90163-e
更新日期：1991-05-01 00:00:00
abstract：:Delayed visual maturation (DVM) is characterised by visual unresponsiveness in early infancy, which subsequently improves spontaneously to normal levels. We studied the optokinetic response and recorded pattern reversal VEPs in six infants with DVM (aged 2-4 months) when they were at the stage of complete visual unres...
journal_title：Brain research bulletin
pub_type： 杂志文章
doi：10.1016/0361-9230(96)00128-1
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：:Ouabain, tetrodotoxin, and calcium selective ionophore (A23187) were administered bilaterally into the hypothalamus of the unrestrained, fully conscious cat, while body temperature and other indicators of thermoregulatory responses were monitored continuously. Posterior hypothalamic microinjection of 2.0 to 10.0 ng or...
journal_title：Brain research bulletin
pub_type： 杂志文章
doi：10.1016/0361-9230(80)90286-5
更新日期：1980-01-01 00:00:00
abstract：:Hypothalamic-pituitary-adrenal (HPA) responses to single-dose nicotine (NIC) are sexually diergic: Female rats have higher adrenocorticotropic hormone (ACTH) and corticosterone (CORT) responses than do males. In the present study we determined HPA responses in male and female rats following single doses of NIC, a sing...
journal_title：Brain research bulletin
pub_type： 杂志文章
doi：10.1016/j.brainresbull.2011.03.001
更新日期：2011-05-30 00:00:00
abstract：:Stimulus-specific neuronal responses in the central auditory pathway of Psammomys obesus were studied with deoxyglucose autoradiography. Responses were revealed mainly in the inferior colliculus. With whole head sectioning and subsequent gentle freeze-drying, excellent structural preservation was achieved. With the us...
journal_title：Brain research bulletin
pub_type： 杂志文章
doi：10.1016/0361-9230(84)90061-3
更新日期：1984-03-01 00:00:00
abstract：:The role of the serotonergic transmission on the negative feedback of corticosterone on the pituitary-adrenal (PA) axis was studied in adult male rats. Animals were given p-chlorophenylalanine (PCPA) and 24 h later were administered corticosterone, 2 h before being subjected to 20 min of noise stress. The main results...
journal_title：Brain research bulletin
pub_type： 杂志文章
doi：10.1016/0361-9230(92)90212-g
更新日期：1992-06-01 00:00:00
abstract：:Anatomical, lesion and pharmacological data pertaining to intracranial self-stimulation are reviewed in the context of multiple independent substrates of brain-stimulation reward. Subsystems related to chemosensitive pathways, motor control and mood are identified. Forebrain dopamine pathways are recognized to be impo...
journal_title：Brain research bulletin
pub_type： 杂志文章
doi：10.1016/0361-9230(84)90189-8
更新日期：1984-02-01 00:00:00
abstract：:An abundant recall of dreams has been observed in clinical studies on patients with narcolepsy-cataplexy (NC), a neurological disorder characterized by an altered sleep architecture. Laboratory studies have shown that dream experiences developed during 1st-rapid eye movement (REM) sleep by NC patients are longer and m...
journal_title：Brain research bulletin
pub_type： 杂志文章
doi：10.1016/j.brainresbull.2009.10.021
更新日期：2010-01-15 00:00:00
abstract：:We studied the ontogeny of muscarinic depression in the developing rat visual cortex using carbachol (a nonhydrolyzable cholinergic agonist) application to neocortical slices obtained from four postnatal age groups: 9-10 days, 15 days, 30-40 days and 18 months. Carbachol suppressed the evoked synaptic response of laye...
journal_title：Brain research bulletin
pub_type： 杂志文章
doi：10.1016/0361-9230(91)90228-c
更新日期：1991-02-01 00:00:00
abstract：:Some C57Bl/6 mice become obese, whereas others remain lean when raised on a high-fat diet. The mechanisms underlying this interindividual susceptibility to diet-induced obesity remain unknown. Because hypothalamus plays a major role in the regulation of body weight, this study was conducted to identify the differences...
journal_title：Brain research bulletin
pub_type： 杂志文章
doi：10.1016/s0361-9230(00)00228-8
更新日期：2000-07-01 00:00:00
