Abstract：
:Tetramethylrhodamine-dextran is a highly fluorescent neuroanatomical tracer that, in its 10,000 MW form, has seen widespread use as a sensitive anterograde tract-tracing label. We report here the use of a lower molecular weight tetramethylrhodamine-dextran (3000 MW; Molecular Probes, OR) as an in vivo intracellular marker of locomotor-related spinal neurons. In the paralyzed, decerebrate cat preparation, fictive locomotion was evoked by electrical stimulation of the mesencephalic locomotor region. Extracellular and intracellular potentials of rhythmically active spinal neurons were recorded using microelectrodes filled with 2% tetramethylrhodamine-dextran (3000 MW) in 0.9% saline (impedance 5-20 Mohm). Following impalement and electrophysiological characterization, neurons were iontophoretically injected for 2-30 min with 3-10 nA of pulsed positive current. Animals were then perfused 30 min to 7 h postinjection with a variety of paraformaldehyde- and glutaraldehyde-containing fixatives. After tissue sectioning, more than 90% of the injected neurons were recovered. Choline acetyltransferase-immunoreactivity could be demonstrated in a subpopulation of tetramethylrhodamine-dextran-labeled neurons. This technique, in addition to producing high-quality electrodes, has the advantages of rapid yet extensive filling of neuronal processes, no tissue processing prior to visualization, and compatibility with immunohistochemistry.
journal_name
Brain Res Bulljournal_title
Brain research bulletinauthors
Carr PA,Noga BR,Nance DM,Jordan LMdoi
10.1016/0361-9230(94)90017-5subject
Has Abstractpub_date
1994-01-01 00:00:00pages
447-51issue
5eissn
0361-9230issn
1873-2747pii
0361-9230(94)90017-5journal_volume
34pub_type
杂志文章abstract：:The effects of amygdaloid norepinephrine depletion by 6-hydroxydopamine on changes in corticotropin releasing factor-41 (CRF-41) and serum adrenocorticotropic hormone (ACTH) and corticosterone levels, following neural stimuli were investigated. In intact animals, photic or acoustic stimulation caused CRF-41 depletion ...
journal_title：Brain research bulletin
pub_type： 杂志文章
doi：10.1016/0361-9230(96)00174-8
更新日期：1996-01-01 00:00:00
abstract：:The neuronal tracer DiI was applied to different brain centers of the rainbow trout in order to study the connections of pretectal nuclei. Our results showed that some pretectal nuclei receive a direct projection from the contralateral retina: the parvocellular superficial pretectal nucleus, the central pretectal nucl...
journal_title：Brain research bulletin
pub_type： 杂志文章
doi：10.1016/j.brainresbull.2007.10.020
更新日期：2008-03-18 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：:miR-196a is located in the posterior trunk and plays a role in limb development. Here we show that miR-196a is able to induce eye anomaly in Xenopus laevis. Microinjection of synthetic miRNA precursor molecule for mammalian miR-196a into Xenopus embryo is sufficient for miR-196a overexpression during early development...
journal_title：Brain research bulletin
pub_type： 杂志文章
doi：10.1016/j.brainresbull.2008.12.009
更新日期：2009-04-06 00:00:00
abstract：:Effects of hypothalamic stimulation and lesion on hepatic autonomic nerve activity were investigated in anesthetized rats. Stimulation of the lateral hypothalamic area increased activity of the hepatic vagal nerve and decreased activity of the splanchnic nerve. Lesion of this area produced a rapid and strong reduction...
journal_title：Brain research bulletin
pub_type： 杂志文章
doi：10.1016/0361-9230(88)90237-7
更新日期：1988-08-01 00:00:00
abstract：:In eleven acute precollicular rats, cortical and hippocampal EEG activity was recorded. Hippocampal theta activity of low frequency (mean 4.5 c/sec) was found in nine rats and in four occupied above 50% of the recording time. In contrast, in the cortex the synchronized EEG activity dominated. The electrical stimulatio...
journal_title：Brain research bulletin
pub_type： 杂志文章
doi：10.1016/0361-9230(89)90006-3
更新日期：1989-06-01 00:00:00
abstract：:The effects of two indirect (dexfenfluramine and fluoxetine) and one direct (RU 24969) serotonergic agonists on diet selection over a 12-hr period were examined. Rats were habituated to eat, during the dark period, from two isoenergetic diets that differed in carbohydrate and protein content. Drugs were injected intra...
journal_title：Brain research bulletin
pub_type： 杂志文章
doi：10.1016/0361-9230(90)90130-r
更新日期：1990-06-01 00:00:00
abstract：:Measurements were made in 29 adult baboons that were housed in social groups, allowing the occurrence of the full range of species-specific behavioral interactions. The cardiovascular variables measured included blood pressure, heart rate, renal blood flow, lower limb blood flow, and occasionally mesenteric blood flow...
journal_title：Brain research bulletin
pub_type： 杂志文章
doi：10.1016/s0361-9230(00)00310-5
更新日期：2000-09-01 00:00:00
abstract：:Metformin (MET),an antidiabetic drug, has shown antioxidative and neuroprotective effects. In the present investigation, we aimed to study the probable effects of MET on cerebral ischemia/reperfusion in rats. Rats underwent cerebral ischemia/reperfusion and MET was administered orally at doses of 100 and 200 mg/kg for...
journal_title：Brain research bulletin
pub_type： 杂志文章
doi：10.1016/j.brainresbull.2020.07.015
更新日期：2020-10-01 00:00:00
abstract：:This investigation assessed the relative reliability of the human auditory evoked potential (AEP) amplitude-intensity and latency-intensity functions. Averaged AEP waveforms to 10 levels of stimulus magnitude were obtained from bipolar recordings. Variability and slope of group functions were constant, as indicated by...
journal_title：Brain research bulletin
pub_type： 杂志文章
doi：10.1016/0361-9230(80)90195-1
更新日期：1980-03-01 00:00:00
abstract：:Many objective and quantitative methods have been developed to create a procedure or a device to prove, describe and quantify olfactory deficit and anosmia, especially after a head trauma. Electrophysiological testing throughout olfactoelectroencephalography (olfactoEEG) is based on brain activity desynchronisation, a...
journal_title：Brain research bulletin
pub_type： 杂志文章
doi：10.1016/j.brainresbull.2006.08.004
更新日期：2006-12-11 00:00:00
abstract：:The effect of lithium chloride on the activity of the afferent nerve fibers from the abdominal organs was studied in anesthetized rats. The administration of the lithium chloride solution (0.15 M) over the mesentery increased afferent discharge rate of the splanchnic and vagal gastric nerve. Injection of the same solu...
journal_title：Brain research bulletin
pub_type： 杂志文章
doi：10.1016/0361-9230(94)90094-9
更新日期：1994-01-01 00:00:00
abstract：:Nagase genetically analbuminemic rats (NAR) were run to fatigue. Administration of branched chain amino acids (BCAA) before exhaustive exercise, resulted in a post-fatigue decreased tryptophan uptake (-22%, p < 0.05) and 5-hydroxytryptophan (5-HTP) uptake (-29%, p < 0.01) into the synaptosomes isolated from the striat...
journal_title：Brain research bulletin
pub_type： 杂志文章
doi：10.1016/s0361-9230(99)00276-2
更新日期：2000-05-01 00:00:00
abstract：:The objective of this study was to determine the organization of coactivation in the arm and shoulder muscles. Normal human subjects made alternate movements of a joint in the horizontal plane, either adduction-abduction of the second finger and shoulder, ulnar-radial deviation of the wrist, or extension-flexion of th...
journal_title：Brain research bulletin
pub_type： 杂志文章
doi：10.1016/s0361-9230(02)00952-8
更新日期：2003-02-15 00:00:00
abstract：:Anxiety disorders and nicotine use are significant contributors to global morbidity and mortality as independent and comorbid diseases. Early-life stress, potentially via stress-induced hypothalamic-pituitary-adrenal axis (HPA) dysregulation, can exacerbate both. However, little is known about the factors that predisp...
journal_title：Brain research bulletin
pub_type： 杂志文章
doi：10.1016/j.brainresbull.2017.08.001
更新日期：2018-04-01 00:00:00
abstract：:Degenerating terminals were mapped by the Fink-Heimer method after lateral or fourth ventricular administration of 6-hydroxydopamine (60OHDA). This method marks dopaminergic terminals and has the advantage that noradrenergic terminals are not stained. Fink-Heimer stained degeneratig terminals were seen bilaterally in ...
journal_title：Brain research bulletin
pub_type： 杂志文章
doi：10.1016/s0361-9230(80)80013-x
更新日期：1980-07-01 00:00:00
abstract：:The nucleus retroambiguus (NRA) is a group of neurons, located laterally in the caudal medulla oblongata. The NRA is thought to modulate abdominal pressure in the framework of respiration, vomiting, vocalization, probably parturition, and, in all likelihood mating behavior. The NRA exerts this control through its proj...
journal_title：Brain research bulletin
pub_type： 杂志文章
doi：10.1016/j.brainresbull.2005.08.011
更新日期：2006-01-15 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：:Patterns of female sexual behavior in the hamster are qualitatively different from that observed in the rat. Hamsters demonstrate tonic immobility and a sustained lordotic response that can last for several minutes following minimal stimulation from the male while in rats, the lordotic response is highly dependent upo...
journal_title：Brain research bulletin
pub_type： 杂志文章
doi：10.1016/0361-9230(87)90064-5
更新日期：1987-12-01 00:00:00
abstract：:Inhibition of glycolysis and fatty acid oxidation by combined treatment with 2-deoxyglucose (2DG) and methyl palmoxirate, or inhibition of glycolysis and lipolysis by combined treatment with 2DG and nicotonic acid synergistically increased food intake in rats. Methyl palmoxirate treatment alone increased food intake i...
journal_title：Brain research bulletin
pub_type： 杂志文章
doi：10.1016/0361-9230(86)90099-7
更新日期：1986-12-01 00:00:00
abstract：:The glucostatic theory supports the role of central and peripheral substrate "sensors" in monitoring cellular glucose metabolism. Induction of hyperphagia and hyperglycemia by intracerebroventricular (i.c.v.) delivery of drugs inhibiting glucose uptake or oxidation suggests that glucose "sensors" are accessible from t...
journal_title：Brain research bulletin
pub_type： 杂志文章
doi：10.1016/s0361-9230(99)00228-2
更新日期：2000-02-01 00:00:00
abstract：:Unilateral injections of 6-hydroxydopamine (6-OHDA) cause significant bilateral increases in striatal proenkephalin (PEK) mRNA in rat brain. We have tested the possibility that implantation of fetal mesencephalic cells can normalize these changes. Two types of grafts were used: 1) embryonic day-15 mesencephalic cells ...
journal_title：Brain research bulletin
pub_type： 杂志文章
doi：10.1016/0361-9230(91)90050-t
更新日期：1991-11-01 00:00:00
abstract：:Nitric oxide plays a role in the long term potentiation mechanisms produced in the mammalian hippocampus during spatial learning. A great deal of data has demonstrated that the dorsolateral telencephalon of fish could be homologous to the mammalian hippocampus sharing functional similarities. In the present study, we ...
journal_title：Brain research bulletin
pub_type： 杂志文章
doi：10.1016/j.brainresbull.2020.08.007
更新日期：2020-11-01 00:00:00
abstract：:The impact of diabetes and especially hyperglycemia on brain glucose utilization and insulin binding are still not clear. This is probably due to the fact that most studies have been performed in streptozotocin treated rats that are highly hyperglycemia and that could have an effect per se on the brain. The aim of the...
journal_title：Brain research bulletin
pub_type： 杂志文章
doi：10.1016/0361-9230(95)00060-r
更新日期：1995-01-01 00:00:00
abstract：:Spontaneous locomotion and motor coordination was evaluated in young (5-6 month old) and aged (24-25 month old) rats. Animals were tested for spontaneous locomotor activity in Digiscan Animal Activity Monitors during the nocturnal cycle. Aged animals exhibited a significant hypoactivity compared to their young counter...
journal_title：Brain research bulletin
pub_type： 杂志文章
doi：10.1016/0361-9230(93)90294-l
更新日期：1993-01-01 00:00:00
abstract：:Cognitive experimentation suggests that at any single instant only three or four items ("chunks") are simultaneously prominent as a working memory (WM) trace, if we disregard the rehearsal component of WM. The reason for small WM capacity may concern combinatorial manageability. How might the neural representations of...
journal_title：Brain research bulletin
pub_type： 杂志文章,评审
doi：10.1016/s0361-9230(03)00030-3
更新日期：2003-04-15 00:00:00
abstract：:Neurological assessment of certain movement disorders is described with emphasis on Parkinson's disease. In addition, abnormal behavior and changes in affect are given. Changes in neurological status, i.e., Bradykinesia, rigidity, gait changes, hand-writing irregularity, postural reflexes are outlined. The differentia...
journal_title：Brain research bulletin
pub_type： 杂志文章
doi：10.1016/0361-9230(83)90181-8
更新日期：1983-08-01 00:00:00
abstract：:A simple procedure for recording of diaphragmatic electromyographic activity in awake, freely behaving animals is described. This procedure produces highly stable recording of muscle activity for very long periods. Because of its ease of use, the procedure has become the technique of choice for acute recording in our ...
journal_title：Brain research bulletin
pub_type： 杂志文章
doi：10.1016/0361-9230(89)90112-3
更新日期：1989-03-01 00:00:00
abstract：:Methylphenidate (MPD) is a widely prescribed psychostimulants used for the treatment of attention deficit hyperactive disorder (ADHD). Unlike the psychostimulants cocaine and amphetamine, MPD does not exhibit direct actions on the serotonin transporter, however there is evidence suggesting that the therapeutic effects...
journal_title：Brain research bulletin
pub_type： 杂志文章
doi：10.1016/j.brainresbull.2016.10.011
更新日期：2017-01-01 00:00:00
abstract：:Chronic swimming training and phytotherapeutic supplementation are assumed to alleviate oxidative damage, and support cell survival in the brain. The effect of forced, chronic swimming training, and enriched lab chow containing 1% (w/w) dried nettle (Urtica dioica) leaf were investigated for oxidative stress, inflamma...
journal_title：Brain research bulletin
pub_type： 杂志文章
doi：10.1016/j.brainresbull.2005.02.028
更新日期：2005-05-30 00:00:00
