Glutamate-glutamine cycle and aging in striatum of the awake rat: effects of a glutamate transporter blocker.

abstract：:The release of labeled norepinephrine from preloaded synaptosomes requires the presence of potassium and calcium. ATP-dependent binding of calcium to synaptic plasma membranes (SPM) may provide a means of maintaining the cation in a readily available pool for the triggering of transmitter release. A high Ca-binding ca...

journal_title：Neurochemical research

authors： Corpus V,Sun AY

更新日期：1983-04-01 00:00:00

abstract：:N-Methyl-D-aspartate (NMDA) and L-glutamate activate membrane receptors that produce substantial permeation of Na+, K+ and Ca2+ through the neuronal membrane. These ionic fluxes are intimately linked to processes that regulate neuronal survival, growth and differentiation. Intracellular free Ca2+ concentrations are th...

journal_title：Neurochemical research

authors： Michaelis EK,Michaelis ML

更新日期：1992-01-01 00:00:00

abstract：:Calcium-naive synaptosomes were used to assess the effects of divalent cations on [3H]acetylcholine release from rat hippocampal homogenates. Following equilibration with calcium-free buffer (containing 10 microM EGTA), calcium reversibly increased [3H]acetylcholine efflux (up to five-fold) while causing no measurable...

journal_title：Neurochemical research

authors： Vickroy TW,Schneider CJ

更新日期：1991-10-01 00:00:00

abstract：:We have previously shown that angiotensin II (Ang II) stimulates astrocyte growth through activation of ERK1/2 mitogen activated protein (MAP) kinases. In the current study, we determined whether Ang II stimulates the expression of c-fos, c-jun and c-myc in brainstem astrocyte cultures. Reverse transcriptase-PCR analy...

journal_title：Neurochemical research

authors： Delaney J,Chiarello R,Villar D,Kandalam U,Castejon AM,Clark MA

更新日期：2008-03-01 00:00:00

abstract：:We examined the role of hippocampal metabotropic glutamate receptor 5 (mGlu5) in spatial learning and memory. Although it has been shown that mGlu5 signalling is required for certain forms of learning and memory, its role in spatial learning is unclear since studies using pharmacological or knockout mice models provid...

journal_title：Neurochemical research

authors： Tan SZ,Ganella DE,Dick AL,Duncan JR,Ong-Palsson E,Bathgate RA,Kim JH,Lawrence AJ

更新日期：2015-06-01 00:00:00

abstract：:The K-stimulated release of [3H]ACh from rat midbrain slices prelabeled by incubation with [3H]choline was dependent on extracellular Ca. Phenobarbital inhibited the K-stimulated [3H]ACh release and the IC50 was equal to that found for K-stimulated endogenous ACh release. These results support the suggestion that barb...

journal_title：Neurochemical research

authors： Richter JA,Jackson SK

更新日期：1980-07-01 00:00:00

abstract：:The central control of growth hormone (GH) secretion from the pituitary gland is ultimately achieved by the interaction between two hypothalamic neurohormones, somatostatin which inhibits and growth hormone-releasing hormone (GHRH) which stimulates GH release. The regulation of the somatostatin and GHRH release from t...

journal_title：Neurochemical research

authors： Fodor M,Kordon C,Epelbaum J

更新日期：2006-02-01 00:00:00

abstract：:The adaptation of cells to hyperosmotic conditions involves accumulation of organic osmolytes to achieve osmotic equilibrium and maintenance of cell volume. The Na+ and Cl(-)-coupled betaine/GABA transporter, designated BGT-1, is responsible for the cellular accumulation of betaine and has been proposed to play a role...

journal_title：Neurochemical research

authors： Olsen M,Sarup A,Larsson OM,Schousboe A

更新日期：2005-06-01 00:00:00

abstract：:Our previous studies have shown that three sigma (sigma) receptor ligands, (+)-N-allylnormetazocine ((+)-SKF-10,047), (+/-)-pentazocine and 1,3-di(2-tolyl)guanidine (DTG) differently regulated the dopamine (DA) transmission in the rat brain. In the present study, we attempted to clarify the role of sigma 1 receptor su...

journal_title：Neurochemical research

authors： Kobayashi T,Matsuno K,Murai M,Mita S

更新日期：1997-09-01 00:00:00

abstract：:A concise discussion of the role of different geometrical conformational states in the process of self-assembling of gangliosides is given. The report focuses on the effects of the geometrical variations occurring in the head group region of gangliosides as reflected on the geometrical properties of the whole assembly...

journal_title：Neurochemical research

authors： Brocca P,Cantù L,Corti M,Del Favero E,Raudino A

更新日期：2002-08-01 00:00:00

abstract：:The effect of ageing and the relationships between the catalytic properties of enzymes linked to Krebs' cycle, electron transfer chain, glutamate and aminoacid metabolism of cerebral cortex, a functional area very sensitive to both age and ischemia, were studied on mitochondria of adult and aged rats, after complete i...

journal_title：Neurochemical research

authors： Villa RF,Gorini A,Hoyer S

更新日期：2009-12-01 00:00:00

abstract：:The influence of theophylline (2.5--100 mg/kg p.o.) on cyclic 3',5'-adenosine monophosphate (cAMP) and cyclic 3',5'-guanosine monophosphate (cGMP) in brain of Sprague-Dawley rats (0.5--3.0 hr after administration of theophylline) was investigated. It was found that theophylline increases cAMP and cGMP levels when admi...

journal_title：Neurochemical research

authors： Stefanovich V

更新日期：1979-10-01 00:00:00

abstract：:(E)-2-(1-hydroxyl-4-oxocyclohexyl) ethyl caffeine (HOEC), a naturally caffeic ester isolated from Incarvillea mairei, has been reported to possess anti-inflammatory activity by targeting 5-lipoxygenase. However, its other potential activities have yet to be explored. In this study, we measured antioxidant activity of ...

journal_title：Neurochemical research

authors： Chen B,Yue R,Yang Y,Zeng H,Chang W,Gao N,Yuan X,Zhang W,Shan L

更新日期：2015-03-01 00:00:00

abstract：:Brains of Alzheimer disease patients in early stages of dementia contain an increased 24(S)-hydroxycholesterol (cerebrosterol)/cholesterol ratio when compared to controls. In this study, effects of amyloid beta peptides and of racemic 24-hydroxycholesterol were evaluated in vitro on undepleted or cholesterol-depleted ...

journal_title：Neurochemical research

authors： Kristofiková Z,Kopecký V Jr,Hofbauerová K,Hovorková P,Rípová D

更新日期：2008-03-01 00:00:00

abstract：:Neurovascular injury comprises a wide spectrum of pathophysiology that underlies the progression of brain injury after cerebral ischemia. Recently, it has been shown that activation of the integrin-associated protein CD47 mediates the development of blood-brain barrier injury and edema after cerebral ischemia. However...

journal_title：Neurochemical research

authors： Xing C,Arai K,Park KP,Lo EH

更新日期：2010-07-01 00:00:00

abstract：:Kv1.3 is a voltage gated potassium channel that has been implicated in pathophysiology of multiple sclerosis (MS). In the present study we investigated temporal and cellular expression pattern of this channel in the lumbar part of spinal cords of animals with experimental autoimmune encephalomyelitis (EAE), animal mod...

journal_title：Neurochemical research

authors： Bozic I,Tesovic K,Laketa D,Adzic M,Jakovljevic M,Bjelobaba I,Savic D,Nedeljkovic N,Pekovic S,Lavrnja I

更新日期：2018-05-01 00:00:00

abstract：:The effect of maternal hypoxia on the modification of the fetal brain cell membrane N-methyl-D-aspartate (NMDA) receptor and its modulatory sites was investigated. Experiments were conducted in pregnant guinea pigs of 60 days of gestation. Guinea pig fetuses were exposed to maternal hypoxia (FiO2 = 7%) for 60 minutes....

journal_title：Neurochemical research

authors： Mishra OP,Delivoria-Papadopoulos M

更新日期：1992-12-01 00:00:00

abstract：:In an effort to develop an animal model of hyperpipecolatemia, the uptake of pipecolic acid (PA) in the brain and changes of PA levels in serum following administration of D,L-PA were studied in the mouse using a new sensitive HPLC-EC method. Following i.p. injections (250 mg/kg) to adult male mice, the brain concentr...

journal_title：Neurochemical research

authors： Kim JS,Giacobini E

更新日期：1985-10-01 00:00:00

abstract：:Recent evidence has linked striatal amino-3-hydroxy-5-methyl-4-isoxazole propionic acid (AMPA) receptor function to the adverse effects of long-term dopaminergic treatment in Parkinson's disease. The phosphorylation of AMPA subunit, GluR1, reflects AMPA receptor activity. To determine whether serine phosphorylation of...

journal_title：Neurochemical research

authors： Ba M,Kong M,Yang H,Ma G,Lu G,Chen S,Liu Z

更新日期：2006-11-01 00:00:00

abstract：:The influence of phosphatidylserine (PS) on the isoniazid-induced convulsions has been studied in mice. Sonicated dispersions of this phospholipid given intravenously do not show anticonvulsant activity but they do so when gamma-aminobutyric acid (GABA) is simultaneously injected. GABA alone is inactive. The synergism...

journal_title：Neurochemical research

authors： Toffano G,Mazzari S,Zanotti A,Bruni A

更新日期：1984-08-01 00:00:00

abstract：:In the present study mitochondrial respiratory function of fibroblasts from a patient affected by early-onset parkinsonism carrying the homozygous W437X nonsense mutation in the PINK1 gene has been thoroughly characterized. When compared with normal fibroblasts, the patient's fibroblast mitochondria exhibited a lower ...

journal_title：Neurochemical research

authors： Piccoli C,Sardanelli A,Scrima R,Ripoli M,Quarato G,D'Aprile A,Bellomo F,Scacco S,De Michele G,Filla A,Iuso A,Boffoli D,Capitanio N,Papa S

更新日期：2008-12-01 00:00:00

abstract：:A panel of mouse monoclonal antibodies to rat and human myelin-associated glycoprotein (MAG) was developed. Normal mice were unresponsive to rat MAG, and successful immunization with rat MAG was only achieved in autoimmune NZB mice. By contrast, all strains of mice were responsive to human MAG. The monoclonal antibodi...

journal_title：Neurochemical research

authors： Dobersen MJ,Hammer JA,Noronha AB,MacIntosh TD,Trapp BD,Brady RO,Quarles RH

更新日期：1985-04-01 00:00:00

abstract：:During the past decade a new approach to pathogenetic studies of hepatic encephalopathy has been undertaken to identify the neurochemical alterations which characterize the syndrome. Using animal models of hepatic encephalopathy electrophysiological, behavioral, pharmacological and biochemical evidence were provided o...

journal_title：Neurochemical research

authors： Baraldi M

更新日期：1990-02-01 00:00:00

abstract：:The patterns of cholesterol content in chick brain and liver were studied during embryonic development and compared with the variations in the specific activities of mevalonate-activating enzymes during the same period. Total cholesterol content in both embryonic chick brain and liver increased during incubation. The ...

journal_title：Neurochemical research

authors： Marco C,Gonzalez-Pacanowska D,Linares A,Garcia-Peregrin E

更新日期：1983-06-01 00:00:00

abstract：:Lipid synthesis from acetoacetate and 3-hydroxybutyrate was studied in chick embryo from 15 to 21 days and in chick neonate from 1 to 21 days. Embryonic spinal cord showed higher ability than brain to incorporate acetoacetate into total lipids, although a sharp decrease was found at hatching. 3-Hydroxybutyrate incorpo...

journal_title：Neurochemical research

authors： Linares A,Caamaño GJ,Diaz R,Gonzalez FJ,Garcia-Peregrin E

更新日期：1993-10-01 00:00:00

abstract：:Phosphate activated glutaminase (PAG) was assayed in whole homogenate and synaptosomes of cerebral cortex from normal or fasted for 120 h rats. The specific activity (s.a.) of PAG was found diminished by 25% in the whole homogenate from the fasted animals compared to the normal. On the contrary, fasting did not affect...

journal_title：Neurochemical research

authors： Lellos V,Tselentis V,Galanopoulos E,Philippidis H,Palaiologos G

更新日期：1991-01-01 00:00:00

abstract：:The effect of optic nerve transsection on proteolytic degradation of axonally transported proteins in the superior colliculus of the rabbit was studied. Proteolysis of labeled proteins was determined in vitro in small pieces of the superior colliculus. Within 2 hours after sectioning the optic nerve there was a decrea...

journal_title：Neurochemical research

authors： Gustavsson S,Karlsson JO

更新日期：1988-07-01 00:00:00

abstract：:Selective blockade of a subset of GABA(A) receptors may be involved in the antipsychotic effects of Clozapine and several other antipsychotic drugs. Seven antipsychotic drugs, and 11 drugs classified as antidepressants that only partially reverse the inhibitory effect of 1 microM GABA on [35S]TBPS binding, do not yiel...

journal_title：Neurochemical research

authors： Squires RF,Saederup E

更新日期：1997-02-01 00:00:00

abstract：:Selective and limited proteolysis is a key step in the post-translational modification of peptide hormone precursors. This process appears to involve a proteolytic machinery including highly specific endoproteases. Some of the enzyme systems possibly involved in the processing of pro-neuropeptides will be described an...

journal_title：Neurochemical research

authors： Gluschankof P,Cohen P

更新日期：1987-10-01 00:00:00

abstract：:Populations of enriched glial precursor cells and astrocytes isolated from primary cultures of newborn rat brain were used to study the synthesis of sulfated glycoproteins. Both cell types incorporated [3H]glucosamine and [35S]sulfate into carbohydrate side chains of proteoglycans and glycoproteins. The rate of incorp...

journal_title：Neurochemical research

authors： Bhat NR,Brunngraber EG

更新日期：1986-08-01 00:00:00