Connexins in oligodendrocytes and astrocytes: Possible factors for demyelination in multiple sclerosis.

abstract：:To investigate the contribution of the dopamine (DA) synthesis to both the calcium-dependent and the carrier-mediated, mechanisms of DA release in the striatum, anaesthetized rats were locally superfused in the striatum with a push pull cannula supplied with an artificial CSF containing tritiated tyrosine. DA, dihydro...

journal_title：Neurochemistry international

authors： Olivier V,Gobert A,Guibert B,Leviel V

更新日期：1999-12-01 00:00:00

abstract：:alpha(2)-Adrenoceptors are involved in various physiological functions, particularly in the cardiovascular system and the central nervous system. Different adrenoceptor subtypes (alpha(2A), alpha(2B) and alpha(2C)) have been recognised and the different subtypes may have role in activation of distinct physiological an...

journal_title：Neurochemistry international

authors： Gyires K,Zádori ZS,Török T,Mátyus P

更新日期：2009-12-01 00:00:00

abstract：:The possible influence of cholinergic and dopaminergic mechanisms on neurotensin-containing neurones was examined at two different levels; nucleus accumbens and striatum in the rat brain. The acute treatment with the anticholinergic drugs atropine and scopolamine increased neurotensin concentrations in the striatum an...

journal_title：Neurochemistry international

authors： Frey P,Lis M,Coward DM

更新日期：1988-01-01 00:00:00

abstract：:Recent in vivo studies have established astrocytes as a major target for locus coeruleus activation (Bekar et al., 2008), renewing interest in cell culture studies on noradrenergic effects on astrocytes in primary cultures and calling for additional information about the expression of adrenoceptor subtypes on differen...

journal_title：Neurochemistry international

authors： Hertz L,Lovatt D,Goldman SA,Nedergaard M

更新日期：2010-11-01 00:00:00

abstract：:Monocarboxylate transporter (MCT1) levels in brains of adult Long-Evans rats on a high-fat (ketogenic) diet were investigated using light and electron microscopic immunocytochemical methods. Rats given the ketogenic diet (91% fat and 9% protein) for up to 6 weeks had increased levels of the monocarboxylate transporter...

journal_title：Neurochemistry international

authors： Leino RL,Gerhart DZ,Duelli R,Enerson BE,Drewes LR

更新日期：2001-05-01 00:00:00

abstract：:Excitotoxicity is the main event during neurological disorders producing drastic morphological and functional changes. Rac-GTPase is involved in cytoskeletal remodeling and survival. However, the role of Rac1 after cerebral ischemia has not been completely understood yet. In this study, we evaluated the activity of Ra...

journal_title：Neurochemistry international

authors： Johanna GV,Fredy CA,David VC,Natalia MV,Angel CR,Patricia CG

更新日期：2010-12-01 00:00:00

abstract：:The activity of histochemically demonstrable aspartate aminotransferase was measured histophotometrically in the hippocampal formation, in dorsal root ganglia, and in superior cervical ganglia during postnatal development of the rat. The enzyme activity showed a marked (up to 15 times) increase in the dendritic layers...

journal_title：Neurochemistry international

authors： Schmidt W,Wolf G

更新日期：1987-01-01 00:00:00

abstract：:The short-term influences of stress on the activities of tyrosine hydroxylase in vivo and in vitro were examined in mice. The in vivo tyrosine hydroxylase activity was estimated by the rate of dopa accumulation which was measured at 30 min after the injection of NSD-1015 (100 mg kg), an aromatic l-amino acid decarboxy...

journal_title：Neurochemistry international

authors： Oka K,Ashiba G,Kiss B,Nagatsu T

更新日期：1982-01-01 00:00:00

abstract：:Positron-emitting beta-adrenoceptor ligands for the CNS could allow determination of changes in beta-adrenoceptor availability after treatment of patients with norepinephrine reuptake inhibitors or tricyclic antidepressants, and differential diagnosis between multiple sclerosis and other brain disorders in an early st...

journal_title：Neurochemistry international

authors： van Waarde A,Doorduin J,de Jong JR,Dierckx RA,Elsinga PH

更新日期：2008-03-01 00:00:00

abstract：:The Mg(2+)-ATPase associated with highly purified cholinergic synaptic vesicles isolated from the Torpedo electric organ can be activated by millimolar concentrations of Ca(2+) only to a maximum of 46%. ATP is hydrolyzed in preference to other tri-nucleotides on Mg(2+)-activation but not on Ca(2+)-activation of the en...

journal_title：Neurochemistry international

authors： Stelzl H,Grondal EJ,Zimmermann H

更新日期：1987-01-01 00:00:00

abstract：:Outer (OHC) and inner (IHC) hair cells in the organ of Corti of the mammalian cochlea process sound. OHC and their efferent synapse are part of a feedback system assumed to control and modulate information carried by afferent neurons passing from IHC to the brain. Underlying mechanisms are not well understood. This pa...

journal_title：Neurochemistry international

authors： Heilbronn E,Järlebark L,Lawoko G

更新日期：1995-10-01 00:00:00

abstract：:Brain cortex synaptoneurosomes actively incorporated [14C]arachidonic acid (AA) into lipids. Serotonin (5-HT), at a concentration range of 10 microM-1 mM, significantly stimulates the incorporation of AA mainly into phosphatidylinositol (PI) of brain cortex synaptoneurosomes. The stimulation rate of AA incorporation b...

journal_title：Neurochemistry international

authors： Strosznajder J,Samochocki M,Duran M

更新日期：1994-08-01 00:00:00

abstract：:The effects of a cerebral anti-ischemic drug ifenprodil on the receptor ionophore complex of an N-methyl-D-aspartate (NMDA)-sensitive subclass of central excitatory amino acid receptors were examined using [3H](+)-5-methyl-10,11-dihydro-5H-dibenzo[a,d]cyclohepten-5,10- imine (MK-801) binding in rat brain synaptic memb...

journal_title：Neurochemistry international

authors： Ogita K,Ohkawara A,Suzuki T,Ohgaki T,Uchida S,Meguri H,Yoneda Y

更新日期：1992-07-01 00:00:00

abstract：:Pyrrolidinedithiocarbamate (PDTC) is a compound displaying antioxidant, pro-oxidant and metal chelator properties in different cell types. It has been described that PDTC may exert either anti-apoptotic or apoptotic activity. Moreover it is known that this agent regulates the activity of redox-sensitive transcription ...

journal_title：Neurochemistry international

authors： Porcile C,Stanzione S,Piccioli P,Bajetto A,Barbero S,Bisaglia M,Bonavia R,Florio T,Schettini G

更新日期：2003-07-01 00:00:00

abstract：:Purified synaptic vesicles were isolated from hog cerebral cortex by a rapid procedure consisting of homogenization of cerebral cortex slices in iso-osmotic sucrose, differential centrifugation and sucrose density-gradient centrifugation. The purity of the vesicles was evaluated both biochemically and morphologically....

journal_title：Neurochemistry international

authors： Angel I,Fleissner A,Seifert R

更新日期：1983-01-01 00:00:00

abstract：:Electroacupuncture has been shown to induce a preconditioning effect in the brain. The mechanisms for this protection are not fully elucidated. We hypothesize that this protection is mediated by excitatory amino acid transporters (EAATs) that have been shown to be neuroprotective. To test this hypothesis, two-month ol...

journal_title：Neurochemistry international

authors： Zhu X,Yin J,Li L,Ma L,Tan H,Deng J,Chen S,Zuo Z

更新日期：2013-10-01 00:00:00

abstract：:Control of serotonin release and synthesis by amino acid neurotransmitters was investigated in rat rostral and caudal rhombencephalic raphe cells in primary cultures respectively. Endogenous amounts of taurine, glycine, GABA and glutamate were measured in both types of cultures. These amino acids were spontaneously re...

journal_title：Neurochemistry international

authors： Becquet D,Hery M,Francois-Bellan AM,Giraud P,Deprez P,Faudon M,Fache MP,Hery F

更新日期：1993-09-01 00:00:00

abstract：:The mobilization of inositol triphosphate ip3 by N-methyl D-aspartate (NMDA) and kainate, two excitatory amino acid EAA receptor agonists, was studied in cultured chick retina cells as a function of culture differentiation. Kainate (EC50 = 30 microM) stimulated from 6 to 9-fold the production of [3H]ip3 between E8C3 (...

journal_title：Neurochemistry international

authors： Reis RA,Kubrusly RC,de Mello MC,de Mello FG

更新日期：1995-04-01 00:00:00

abstract：:Unveiling the roles of distinct cell types in brain response to insults is a partially unsolved challenge and a key issue for new neuroreparative approaches. In vivo models are not able to dissect the contribution of residential microglia and infiltrating blood-borne monocytes/macrophages, which are fundamentally undi...

journal_title：Neurochemistry international

authors： Colombo L,Parravicini C,Lecca D,Dossi E,Heine C,Cimino M,Wanke E,Illes P,Franke H,Abbracchio MP

更新日期：2014-01-01 00:00:00

abstract：:Dopamine is the main catecholamine found in the chick retina whereas norepinephrine is only found in trace amounts. We compared the effectiveness of dopamine and norepinephrine in promoting cyclic AMP accumulation in retinas at embryonic day 13 (E13) and from post-hatched chicken (P15). Dopamine (EC(50)=10microM) and ...

journal_title：Neurochemistry international

authors： Kubrusly RC,Ventura AL,de Melo Reis RA,Serra GC,Yamasaki EN,Gardino PF,de Mello MC,de Mello FG

更新日期：2007-01-01 00:00:00

abstract：:The present study was aimed to investigate the effects of a chronic treatment with the dopamine uptake blocker nomifensine on the in vivo extracellular concentrations of dopamine, acetylcholine, glutamate and GABA in the prefrontal cortex, striatum and nucleus accumbens. Male Wistar rats received intraperitoneal (i.p....

journal_title：Neurochemistry international

authors： Hernández LF,Segovia G,Mora F

更新日期：2008-02-01 00:00:00

abstract：:The activities of the enzymes glutathione reductase (GRD), glutathione peroxidase (GPX), and glutathione S-transferase (GST) were studied in several rat brain areas following the aspirative transection of the septohippocampal pathway (fimbria fornix) and the administration of nerve growth factor (NGF) or cytochrome c....

journal_title：Neurochemistry international

authors： Cruz-Aguado R,Francis-Turner L,Díaz-Suárez CM,Bergado J

更新日期：1999-02-01 00:00:00

abstract：:Intracellular Ca2+ signals produced by the glutamate receptor agonist alpha-amino-3-hydroxy-5-methyl-4-isoxazole propionate (AMPA; 5 microM) were measured in the somatic and dendritic regions of cerebellar Purkinje neurons in mature cerebellar control cultures (> or = 20 days in vitro) and cultures chronically treated...

journal_title：Neurochemistry international

authors： Netzeband JG,Trotter C,Caguioa JN,Gruol DL

更新日期：1999-08-01 00:00:00

abstract：:Astrocytes can exocytotically release the transmitter glutamate. Increased cytosolic Ca(2+) concentration is necessary and sufficient in this process. The source of Ca(2+) for the Ca(2+)-dependent exocytotic release of glutamate from astrocytes predominately comes from endoplasmic reticulum (ER) stores with contributi...

journal_title：Neurochemistry international

authors： Reyes RC,Parpura V

更新日期：2009-07-01 00:00:00

abstract：:Although the cerebral cortical dopamine D(1) receptor is considered to play a role in normal and abnormal brain function, little information is available on its characteristics in human brain. We compared dopamine-stimulated adenylyl cyclase (AC) activity in homogenates of cerebral cortex (frontal, temporal, parietal,...

journal_title：Neurochemistry international

authors： Tong J,Ross BM,Sherwin AL,Kish SJ

更新日期：2001-08-01 00:00:00

abstract：:An endogenous Na+, K+-ATPase inhibitor termed endobain E has been isolated from rat brain which shares several biological properties with ouabain. This cardiac glycoside possesses neurotoxic properties attributable to Na+, K+-ATPase inhibition, which leads to NMDA receptor activation, thus supporting the concept that ...

journal_title：Neurochemistry international

authors： Reinés A,Peña C,Rodríguez de Lores Arnaiz G

更新日期：2001-10-01 00:00:00

abstract：:Even though the inducing effect of electromagnetic fields (EMF) on the neural differentiation of human bone marrow mesenchymal stem cells (hBM-MSCs) is a distinctive, the underlying mechanism of differentiation remains unclear. To find out the signaling pathways involved in the neural differentiation of BM-MSCs by EMF...

journal_title：Neurochemistry international

authors： Park JE,Seo YK,Yoon HH,Kim CW,Park JK,Jeon S

更新日期：2013-03-01 00:00:00

abstract：:Deep brain stimulation (DBS) of the nucleus accumbens (NAc) is an effective treatment option for those affected by obsessive compulsive disorder, who do not respond to pharmacological treatment strategies. Yet, little is known about the mechanism by which DBS achieve its therapeutic effects. Previous studies have show...

journal_title：Neurochemistry international

authors： Varatharajan R,Joseph K,Neto SC,Hofmann UG,Moser A,Tronnier V

更新日期：2015-11-01 00:00:00

abstract：:Stroke is the third leading cause of death and the leading cause of adult disability in the industrialized nations. One of the consequences of stroke is blood-brain barrier (BBB) leakage and subsequent edema, which is one of the causes of mortality in this pathology. Aquaporin-4 (AQP4) is the most abundant water chann...

journal_title：Neurochemistry international

authors： Rite I,Machado A,Cano J,Venero JL

更新日期：2008-03-01 00:00:00

abstract：:The aim of the present study was to investigate, whether dopamine D1 and/or D2 receptors are able to interfere with the ATP-induced increase of the intracellular Ca2+ concentration ([Ca2+]i) in cultured striatal neurons identified by their morphological characteristics and their [Ca2+]i transients in response to a hig...

journal_title：Neurochemistry international

authors： Rubini P,Engelhardt J,Wirkner K,Illes P

更新日期：2008-01-01 00:00:00