Cerebrin prohormone processing, distribution and action in Aplysia californica.

abstract：:In the epididymal portion of rat vas deferens, facilitation of noradrenaline release mediated by adenosine A2A receptors, but not that mediated by beta2-adrenoceptors or by direct activation of adenylyl cyclase, was attenuated by blockade of alpha2-adrenoceptors and abolished by simultaneous blockade of alpha2-adrenoc...

journal_title：Journal of neurochemistry

authors： Queiroz G,Talaia C,Gonçalves J

更新日期：2003-05-01 00:00:00

abstract：:In vitro, the transport into and release of [3H]deoxycytidine from the isolated choroid plexus, the anatomical locus of the blood-cerebrospinal fluid barrier, were studied separately. By use of the ability of nitrobenzylthioinosine (NBTI) to inhibit deoxycytidine efflux from choroid plexus, the transport of 1 microM [...

journal_title：Journal of neurochemistry

authors： Spector R,Huntoon S

更新日期：1983-05-01 00:00:00

abstract：:We investigated the regulatory pathways responsible for agonist-induced internalization and down-regulation of G(q) protein-coupled histamine H(1)-receptors in Chinese hamster ovary cells. Histamine-induced internalization and down-regulation of H(1)-receptors were detected as the loss of [(3)H]mepyramine binding site...

journal_title：Journal of neurochemistry

authors： Hishinuma S,Komazaki H,Fukui H,Shoji M

更新日期：2010-05-01 00:00:00

abstract：:Quinolinic acid (QUIN), an excitotoxic compound present in the mammalian CNS and periphery, has been hypothetically linked to human neurodegenerative disorders such as Huntington's disease and epilepsy. Quinolinic acid phosphoribosyltransferase (QPRT), the catabolic enzyme of QUIN, is found in the CNS and peripheral o...

journal_title：Journal of neurochemistry

authors： Foster AC,Schwarcz R

更新日期：1985-07-01 00:00:00

abstract：:Accumulating evidence indicates that increased intracellular Na(+) concentration ([Na(+) ]i ) in astroglial cells is associated with the development of brain edema under ischemic conditions, but the underlying mechanisms are still elusive. Here, we report that in primary cultured rat cortical astrocytes, elevations of...

journal_title：Journal of neurochemistry

authors： Minieri L,Pivonkova H,Harantova L,Anderova M,Ferroni S

更新日期：2015-02-01 00:00:00

abstract：:Inflammatory cell signaling leading to transcriptional activation is primarily mediated by signal transduction via mitogen-activated protein kinase (MAPK) and NFkappaB pathways. A common upstream kinase that signals the activation of these pathways is TGFbeta-activated kinase 1 (TAK1), which itself becomes activated i...

journal_title：Journal of neurochemistry

authors： Bhat NR,Shen Q,Fan F

更新日期：2003-10-01 00:00:00

abstract：:The regional distribution of inositol 1,4,5-trisphosphate (InsP3), inositol 1,3,4,5-tetrakisphosphate (InsP4), and ryanodine binding sites has been characterised and compared in the rat brain using radioligand binding assays. Cortical [3H]InsP3 binding indicated similar positional and stereospecificity as observed in ...

journal_title：Journal of neurochemistry

authors： Smith SM,Nahorski SR

更新日期：1993-05-01 00:00:00

abstract：:Rarefaction of the dendritic tree leading to neuronal dysfunction is a hallmark of many neurodegenerative diseases and we have shown previously that heat shock protein B5 (HspB5)/αB-crystallin is able to increase dendritic complexity in vitro. The aim of this study was to investigate if this effect is also present in ...

journal_title：Journal of neurochemistry

authors： Bartelt-Kirbach B,Wiegreffe C,Birk S,Baur T,Moron M,Britsch S,Golenhofen N

更新日期：2020-11-21 00:00:00

abstract：:Multiple lines of evidence implicate lysosomes in a variety of pathogenic events that produce neurodegeneration. Genetic mutations that cause specific enzyme deficiencies account for more than 40 lysosomal storage disorders. These mostly pre-adult diseases are associated with abnormal brain development and mental reta...

journal_title：Journal of neurochemistry

authors： Bahr BA,Bendiske J

更新日期：2002-11-01 00:00:00

abstract：:Terminally differentiated PC12 cells are a useful neuron-like model for studying programmed cell death in response to nerve growth factor (NGF) deprivation. This in vitro model was used to investigate the mechanism by which cyanide-induced histotoxic hypoxia produces neuronal degeneration. Treatment of undifferentiate...

journal_title：Journal of neurochemistry

authors： Mills EM,Gunasekar PG,Pavlakovic G,Isom GE

更新日期：1996-09-01 00:00:00

abstract：:A contribution of α-Synuclein (α-Syn) to etiology of Parkinson´s disease (PD) and Dementia with Lewy bodies (DLB) is currently undisputed, while the impact of the closely related β-Synuclein (β-Syn) on these disorders remains enigmatic. β-Syn has long been considered to be an attenuator of the neurotoxic effects of α-...

journal_title：Journal of neurochemistry

authors： Raina A,Leite K,Guerin S,Mahajani SU,Chakrabarti KS,Voll D,Becker S,Griesinger C,Bähr M,Kügler S

更新日期：2020-07-30 00:00:00

abstract：:The intracerebroventricular injection of pyridoxal phosphate (PLP, 0.125-1.25 mumol/rat) causes epileptic seizures (4 min leads to 1 min) that are preventable or reversible by GABA (1 mumol/rat), by muscimol (0.025 mumol/rat), or by diazepam (1.75 mumol/rat). At the peak of PLP-induced convulsions, the activities of G...

journal_title：Journal of neurochemistry

authors： Kouyoumdjian JC,Ebadi M

更新日期：1981-01-01 00:00:00

abstract：:We investigated the receptor mechanisms by which vasoactive intestinal polypeptide (VIP) and related peptides exert their effects on tyrosine hydroxylase (TH) gene expression. VIP, secretin, and peptide histidine isoleucine (PHI) each produced increases in TH gene expression, as measured by increases in TH mRNA levels...

journal_title：Journal of neurochemistry

authors： Wessels-Reiker M,Basiboina R,Howlett AC,Strong R

更新日期：1993-03-01 00:00:00

abstract：:Microglia are known to be a primary inflammatory cell type in the brain. However, microglial inflammatory responses are attenuated in the injured brain compared to those in cultured pure microglia. In the present study, we found that astrocytes challenged by oxygen-glucose deprivation (OGD) or H(2) O(2) released solub...

journal_title：Journal of neurochemistry

authors： Kim JH,Min KJ,Seol W,Jou I,Joe EH

更新日期：2010-12-01 00:00:00

abstract：:The protein B-50 is dephosphorylated in rat cortical synaptic plasma membranes (SPM) by protein phosphatase type 1 and 2A (PP-1 and PP-2A)-like activities. The present studies further demonstrate that B-50 is dephosphorylated not only by a spontaneously active PP-1-like enzyme, but also by a latent form after pretreat...

journal_title：Journal of neurochemistry

authors： Han YF,Wang W,Schlender KK,Ganjeizadeh M,Dokas LA

更新日期：1992-07-01 00:00:00

abstract：:Cysteine-string protein (Csp) is a major synaptic vesicle and secretory granule protein first discovered in Drosophila and Torpedo. Csps were subsequently identified from Xenopus, Caenorhabditis elegans, and mammalian species. It is clear from the study of a null mutant in Drosophila that Csp is required for viability...

journal_title：Journal of neurochemistry

authors： Chamberlain LH,Burgoyne RD

更新日期：2000-05-01 00:00:00

abstract：:Saturable and specific binding sites for 5-[3H]hydroxytryptamine (5-HT, serotonin) characterized by a KD of 3.5-4.5 nM were detected in the chick embryo brain and were shown to develop linearly as a function of age, weight, and protein content. Saturation and displacement studies using unlabeled 5-HT as the displacing...

journal_title：Journal of neurochemistry

authors： Soblosky JS,Jeng I

更新日期：1985-02-01 00:00:00

abstract：:Nitric oxide (NO) has been implicated in both the pathogenesis of and protection from NMDA receptor-mediated neuronal injury. This apparent paradox has been attributed to alternate redox states of nitrogen monoxide, whereby, depending on the redox milieu, nitrogen monoxide can be neuroprotective via nitrosation chemis...

journal_title：Journal of neurochemistry

authors： Vidwans AS,Kim S,Coffin DO,Wink DA,Hewett SJ

更新日期：1999-05-01 00:00:00

abstract：:The sites of interaction of quinacrine with synaptic membranes were labeled with quinacrine mustard. Quinacrine mustard had an inhibitory effect on depolarization-induced calcium uptake by synaptosomes similar to that of quinacrine. The inhibition of depolarization-induced calcium uptake by quinacrine was reduced by 7...

journal_title：Journal of neurochemistry

authors： Ohta A,Baba A,Iwata H

更新日期：1985-08-01 00:00:00

abstract：:Neurofibromatosis type 1 (NF1) is an autosomal dominant genetic condition caused by dominant loss-of-function mutations of the tumor suppressor gene NF1 that encodes neurofibromin, a negative regulator of RAS activity. Mutation analysis of NF1 located at 17q11.2 has been hampered by the large size of the gene, the hig...

journal_title：Journal of neurochemistry

authors： Esposito T,Piluso G,Saracino D,Uccello R,Schettino C,Dato C,Capaldo G,Giugliano T,Varriale B,Paolisso G,Di Iorio G,Melone MA

更新日期：2015-12-01 00:00:00

abstract：:The nuclear mitochondrial and synaptosomal fractions of rat brain were each found to contain some 25-30% of the total aldehyde dehydrogenase activity. The cytoplasmic fraction had a very low total aldehyde dehydrogenase activity. There were differences in the distribution of the activity when different aldehydes were ...

journal_title：Journal of neurochemistry

authors： Koivula T,Turner AJ,Huttunen M,Koivusalo M

更新日期：1981-06-01 00:00:00

abstract：:To determine whether prolonged nicotine exposure persistently inactivates rat alpha4beta2 nicotinic receptors expressed in Xenopus oocytes, we measured the voltage-clamped alpha4beta2 response to acetylcholine (ACh) before and 24 h after, 1-h or 12-h incubations in 10 microm nicotine. A 12-h incubation in 10 microm ni...

journal_title：Journal of neurochemistry

authors： Jia L,Flotildes K,Li M,Cohen BN

更新日期：2003-02-01 00:00:00

abstract：:The uptake of radioactive biotin has been studied in glial cell cultures from dissociated cerebral hemispheres of newborn rats. We describe saturable kinetics for the biotin uptake at biotin concentrations of less than 60 nM and linear at greater than 60 nM. The uptake appeared temperature sensitive, Na+ independent, ...

journal_title：Journal of neurochemistry

authors： Rodriguez-Pombo P,Ugarte M

更新日期：1992-04-01 00:00:00

abstract：:Several derivatives of conantokin-T (con-T), a naturally occurring, gamma-carboxyglutamate (Gla)-containing peptide with NMDA receptor (NMDAR) antagonist properties, were synthesized and evaluated for their ability to displace [(3)H]MK-801 from adult rat forebrain membranes. Analyses of progressive C-terminal truncati...

journal_title：Journal of neurochemistry

authors： Warder SE,Blandl T,Klein RC,Castellino FJ,Prorok M

更新日期：2001-05-01 00:00:00

abstract：:Monoclonal antibodies were raised against the synaptosomal plasma membranes (SPMs) purified from the electric organ of the Torpedo. One antibody that reacts preferentially with SPMs rather than with other membrane fractions isolated from this tissue was previously found to inhibit hydrophilic and amphiphilic choline-O...

journal_title：Journal of neurochemistry

authors： Eder-Colli L,Briand PA,Pellegrinelli N,Dunant Y

更新日期：1989-11-01 00:00:00

abstract：:The specific binding of L-[3H]glutamate was investigated in the presence and the absence of sodium ions in freshly prepared membranes from rat hippocampus. Sodium ions were found to have a biphasic effect; low concentrations induced a marked inhibition of the binding (in the range 0.5-5.0 mM), whereas higher concentra...

journal_title：Journal of neurochemistry

authors： Baudry M,Lynch G

更新日期：1981-03-01 00:00:00

abstract：:Rabbit retinas were maintained in a physiological state in vitro and exposed to 0.5-h pulses of labeled leucine. Protein synthesis was determined from incorporation of the label, and degradation from its subsequent release. The retinas were treated as test-control pairs. The control retina remained in darkness while t...

journal_title：Journal of neurochemistry

authors： Ames A 3rd,Parks JM,Nesbett FB

更新日期：1980-07-01 00:00:00

abstract：:The dopamine transporter (DAT) plays a key role in regulating dopaminergic signalling in the brain by mediating rapid clearance of dopamine from the synaptic clefts. The psychostimulatory actions of cocaine and amphetamine are primarily the result of a direct interaction of these compounds with DAT leading to attenuat...

journal_title：Journal of neurochemistry

authors： Eriksen J,Jørgensen TN,Gether U

更新日期：2010-04-01 00:00:00

abstract：:Suicide and depression are associated with an increased density of alpha2-adrenoceptors (radioligand receptor binding) in specific regions of the human brain. The function of these inhibitory receptors involves various regulatory proteins (Gi coupling proteins and G protein-coupled receptor kinases, GRKs), which work ...

journal_title：Journal of neurochemistry

authors： García-Sevilla JA,Escribá PV,Ozaita A,La Harpe R,Walzer C,Eytan A,Guimón J

更新日期：1999-01-01 00:00:00

abstract：:Challenge of protease-activated receptors induces cytosolic Ca(2+) concentration ([Ca(2+) ](c)) increase, mitogen-activated protein kinase activation and reactive oxygen species (ROS) formation with a bandwidth of responses in individual cells. We detected in this study in situ the thrombin-induced [Ca(2+) ](c) rise a...

journal_title：Journal of neurochemistry

authors： Zündorf G,Reiser G

更新日期：2011-12-01 00:00:00