Abstract：
:This review presents data on metabotropic uridine nucleotide receptor subtypes (P2UR) activated by UTP, sometimes also by UDP and/or ATP. Some chemical details of receptor subtypes and ligand interactions are described. Ligand-activated P2UR subtypes may couple to different second messengers, yet little is known about the nature of the coupling G-proteins. Data evaluating UTP as a physiological ligand include UTP origin, release and metabolism and illuminate especially roles for P2UR in the nervous system. No evidence shows UTP as a synaptic transmitter; sympathetic neurons may, however, carry P2UR allowing UTP-stimulation of norepinephrine release. UTP and derivatives act as therapeutic agents in several diseases involving mutated genes of transepithelial conductance regulators, including cystic fibrosis. This focuses interest to the synthesis of new compounds. Further, therapeutically used pyrimidine and pyrimidine analogues are suspected to have CNS-pathological effects. The presently scarce information in these areas strongly underlines the need for and importance of intense research on the suspected pyrimidine derivative triggered pathology as well as on the role of P2UR receptors in physiology and pathophysiology.
journal_name
Neurochem Resjournal_title
Neurochemical researchauthors
Heilbronn E,Knoblauch BH,Müller CEdoi
10.1023/a:1022487128766subject
Has Abstractpub_date
1997-08-01 00:00:00pages
1041-50issue
8eissn
0364-3190issn
1573-6903journal_volume
22pub_type
杂志文章,评审abstract：:It is an honour to have this opportunity write an article in recognition of the immense contributions of Bruce Ransom to the field of glial research. For me (BAM) personally there are many highlights both as a colleague and a friend that come to mind when I reflect on the many years that I have known Bruce. My own ent...
journal_title：Neurochemical research
pub_type： 杂志文章,评审
doi：10.1007/s11064-017-2315-8
更新日期：2017-09-01 00:00:00
abstract：:Quantitative measurements were made of choline acetyltransferase (CAT) activity, acetylcholinesterase (AChE) activity and cholinergic muscarinic receptor binding ([3H]QNB) in eight areas of a cross-section of the rat medulla oblongata. A fourth cholinergic parameter, high-affinity choline uptake, was measured in three...
journal_title：Neurochemical research
pub_type： 杂志文章
doi：10.1007/BF00964389
更新日期：1981-05-01 00:00:00
abstract：:Metal ions are often used to block calcium channels in various tissues, including synaptosomes. In the present study, Fura-2 was used to determine the effectiveness of various metal ions as calcium channel blockers in rat brain synaptosomes in vitro. In buffer solutions, La3+ and Cd2+ increased the Fura-2 fluorescence...
journal_title：Neurochemical research
pub_type： 杂志文章
doi：10.1007/BF00965611
更新日期：1989-11-01 00:00:00
abstract：:In the present work we investigated the in vitro effect of the branched-chain amino acids (BCAA) accumulating in maple syrup urine disease (MSUD) on some parameters of energy metabolism in cerebral cortex of rats. 14CO2 production from [1-14C]acetate, [1-5-14C]citrate and [U-14C]glucose, as well as glucose uptake by t...
journal_title：Neurochemical research
pub_type： 杂志文章
doi：10.1007/s11064-007-9423-9
更新日期：2008-01-01 00:00:00
abstract：:Parkinson's disease (PD) is the second most prevalent age-related neurodegenerative disease with physiological manifestations including tremors, bradykinesia, abnormal postural reflexes, rigidity and akinesia and pathological landmarks showing losses of dopaminergic neurons in the substantia nigra. Although the etiolo...
journal_title：Neurochemical research
pub_type： 杂志文章,评审
doi：10.1007/s11064-008-9656-2
更新日期：2009-01-01 00:00:00
abstract：:The effects of pre-treatment with ENA-713, an acetylcholinesterase (AChE) inhibitor, on changes in pre- and postsynaptic cholinergic indices in gerbil brain following transient ischemia were studied at 4 and 14 days after recirculation. In the ischemic group, hippocampal acetylcholine (ACh) level was significantly red...
journal_title：Neurochemical research
pub_type： 杂志文章
doi：10.1007/BF00966804
更新日期：1994-02-01 00:00:00
abstract：:T-588(R(-)-1-(benzo(b)thiophen-5yl)-2-[2(N,N-diethylamino)ethoxy]ethanol hydrochloride) is a novel compound which has been shown to exhibit a wide range of neurotrophic effects both in vivo and in vitro. This compound can slow the motor deterioration of wobbler mouse motor neuron disease. However, it is not known whet...
journal_title：Neurochemical research
pub_type： 杂志文章
doi：10.1023/a:1014884504879
更新日期：2002-03-01 00:00:00
abstract：:The oxidation of pyruvate is mediated by the pyruvate dehydrogenase complex (PDHC; EC 1.2.4.1, EC 2.3.1.12 and EC 1.6.4.3) whose catalytic activity is influenced by phosphorylation and by product inhibition. 2-Oxoglutarate and 3-hydroxybutyrate are readily utilized by brain mitochondria and inhibit pyruvate oxidation....
journal_title：Neurochemical research
pub_type： 杂志文章
doi：10.1007/BF00970527
更新日期：1987-08-01 00:00:00
abstract：:Intrauterine growth restricted (IUGR) infants are at increased risk for neurodevelopmental deficits that suggest the hippocampus and cerebral cortex may be particularly vulnerable. Evaluate regional neurochemical profiles in IUGR and normally grown (NG) 7-day old rat pups using in vivo 1H magnetic resonance (MR) spect...
journal_title：Neurochemical research
pub_type： 杂志文章
doi：10.1007/s11064-015-1609-y
更新日期：2017-01-01 00:00:00
abstract：:Activities toward arachidonyl-labelled phospholipase A2 substrates were assayed in fractions of white matter and cerebral cortex from control subjects and in fractions of demyelinated plaque, normal-appearing white matter and cerebral cortex from subjects who died with multiple sclerosis. Membranous activity at pH 8.6...
journal_title：Neurochemical research
pub_type： 杂志文章
doi：10.1007/BF00992509
更新日期：1995-11-01 00:00:00
abstract：:Due to the biological importance of sodium and its relative scarcity within many natural environments, 'salt appetite' has evolved whereby dietary salt is highly sought after and palatable when tasted. In addition to peripheral responses, salt depletion is detected within the brain via circumventricular organs and 11β...
journal_title：Neurochemical research
pub_type： 杂志文章,评审
doi：10.1007/s11064-017-2336-3
更新日期：2018-01-01 00:00:00
abstract：:The activities of L-glutamate decarboxylase (GAD), GABA-transaminase (GABA-T), choline acetyltransferase (CAT), and cysteic and cysteinesulfinic acids decarboxylase (CAD/CSAD) in putamen and frontal cortex in both Huntington's chorea and normal tissues were measured. The greatest difference between Huntington's and no...
journal_title：Neurochemical research
pub_type： 杂志文章
doi：10.1007/BF00964435
更新日期：1979-10-01 00:00:00
abstract：:Glutamine synthetase (GS) is the key enzyme in cerebral glutamine production. Understanding the regulation of the expression of GS is important for definition of the control of glutamine metabolism in brain. Therefore, we studied the control of GS expression by 8-bromo cyclic AMP in primary cultures of astrocytes prep...
journal_title：Neurochemical research
pub_type： 杂志文章
doi：10.1007/BF00973746
更新日期：1990-06-01 00:00:00
abstract：:Prion diseases are conformational diseases, many factors are involved in altering the conformation of prion, such as RNA, DNA, pH, and copper etc. However the neurotoxic mechanism of prion diseases is not clear yet. The aim of this study is to investigate the effect of the nucleoprotein complex of RNA and recombinant ...
journal_title：Neurochemical research
pub_type： 杂志文章
doi：10.1007/s11064-011-0506-2
更新日期：2011-10-01 00:00:00
abstract：:Ecto-nucleotidases play a pivotal role in terminating the signalling via ATP and in producing adenosine, a neuromodulator in the nervous system. We have now investigated the pattern of adenosine formation with different concentrations of extracellular ATP in rat hippocampal nerve terminals. It was found that adenosine...
journal_title：Neurochemical research
pub_type： 杂志文章
doi：10.1023/a:1012392719601
更新日期：2001-09-01 00:00:00
abstract：:Interleukin (IL)-18, a member of the IL-1 cytokine family, is an important mediator of peripheral inflammation and host defence responses. However, although IL-1 is a key proinflammatory cytokine in the brain, little is known about IL-18 changes in glial cells under excitotoxic neurodegeneration. In this study, we cha...
journal_title：Neurochemical research
pub_type： 杂志文章
doi：10.1007/s11064-007-9434-6
更新日期：2008-01-01 00:00:00
abstract：:Nicotine has been reported to exert certain protective effect in the Parkinson's and Alzheimer's diseases. Whether it has a similar action in focal cerebral ischemia was unclear. In the present study, rats received either an injection of (-)-nicotine hydrogen tartrate salt (1.2 mg/kg, i.p.) or the vehicle 2 h before t...
journal_title：Neurochemical research
pub_type： 杂志文章
doi：10.1007/s11064-012-0927-6
更新日期：2013-02-01 00:00:00
abstract：:Methamphetamine (MA), an amphetamine-type psychostimulant, is associated with dopaminergic toxicity and has a high abuse potential. Numerous in vivo and in vitro studies have suggested that impaired mitochondria are critical in dopaminergic toxicity induced by MA. Mitochondria are important energy-producing organelles...
journal_title：Neurochemical research
pub_type： 杂志文章,评审
doi：10.1007/s11064-017-2318-5
更新日期：2018-01-01 00:00:00
abstract：:A sensitive and rapid assay method method for cysteic acid decarboxylase was develped which combined the selectivity of ion exchange resin (a complete retention of the substrate, cysteic acid, and exclusion of the product, taurine) with the speed of a vacuum filtration. The synthesis and purification of 35S-labeled cy...
journal_title：Neurochemical research
pub_type： 杂志文章
doi：10.1007/BF00964144
更新日期：1979-04-01 00:00:00
abstract：:The aggravated risk on intracerebral hemorrhage (ICH) with drugs used for stroke patients should be estimated carefully. We therefore established sensitive quantification methods and provided a rat ICH model for detection of ICH deterioration. In ICH intrastriatally induced by 0.014-unit, 0.070-unit, and 0.350-unit co...
journal_title：Neurochemical research
pub_type： 杂志文章
doi：10.1023/a:1022826220469
更新日期：2003-05-01 00:00:00
abstract：:A synthetic peptide corresponding to the first 28 amino acids of the Alzheimer disease amyloid beta/A4 peptide (3.2 kDa) aggregated to a high molecular weight (15 kDa) on SDS/urea polyacrylamide gels. Proteinase K, V8 protease, trypsin, and endopeptidase Lys-C readily degraded the aggregate. By contrast, when digested...
journal_title：Neurochemical research
pub_type： 杂志文章
doi：10.1007/BF00974579
更新日期：1992-04-01 00:00:00
abstract：:Proteolipid protein (PLP) is the major intrinsic membrane protein of CNS myelin and is expressed in oligodendrocytes as part of a coordinate program of myelin-specific gene activation. In order to identify the DNA sequences and proteins involved in the regulation of PLP transcription, we have analyzed the 5' flanking ...
journal_title：Neurochemical research
pub_type： 杂志文章
doi：10.1007/BF00968716
更新日期：1994-08-01 00:00:00
abstract：:CNS trauma has been associated with an increase in free radical production, but the cellular sources of this increase or the mechanism involved in the production of free radicals are not known. We, therefore, investigated the effects of trauma on free radical production in cultured neurons, astrocytes and BV-2 microgl...
journal_title：Neurochemical research
pub_type： 杂志文章
doi：10.1023/a:1014875210852
更新日期：2002-02-01 00:00:00
abstract：:Levels of free amino acids were determined quantitatively in whole ocular tissues of the rat eye with aid of a sensitive amino acid analyzer. The tissues studied were the retina, vitreous, lens, iris-ciliary body, and cornea. The retina and lens contained a more concentrated free amino acid pool than other tissues. Th...
journal_title：Neurochemical research
pub_type： 杂志文章
doi：10.1007/BF00965323
更新日期：1986-04-01 00:00:00
abstract：:Neuronal excitation leads to an increase of the extracellular K(+) concentration ([K(+)]o) in brain. This increase has at least two energy-consuming consequences: (1) a depolarization-mediated change in intracellular pH (pHi) in astrocytes due to depolarization-mediated increased activity of the acid-extruding Na(+)/b...
journal_title：Neurochemical research
pub_type： 杂志文章
doi：10.1007/s11064-013-1149-2
更新日期：2013-11-01 00:00:00
abstract：:Level of adenosine, an endogenous astrocyte-based neuromodulator, is primarily regulated by adenosine P1 receptors. This study assessed expression of adenosine P1 receptors, ADORA1 (adenosine A1 receptor) and ADORA2A (adenosine A2a receptor) and their association with glioma development and epilepsy in glioma patients...
journal_title：Neurochemical research
pub_type： 杂志文章
doi：10.1007/s11064-016-1893-1
更新日期：2016-07-01 00:00:00
abstract：:The copper-transporting ATPases Atp7A and Atp7B play a major role in controlling intracellular copper levels. In addition, they are believed to deliver copper to the copper-requiring proteins destined for the secretory vesicles. One cuproprotein, dopamine beta-hydroxylase (DBH) functions in the biosynthesis of norepin...
journal_title：Neurochemical research
pub_type： 杂志文章
doi：10.1023/a:1023219308890
更新日期：2003-06-01 00:00:00
abstract：:Ion fluxes in mammalian myelinated axons are restricted to the nodes of Ranvier, where, in particular, voltage-gated Na+ channels are clustered at a high density. The node of Ranvier is separated from the internode by two distinct domains of the axolemma, the paranode and the juxtaparanode. Each axonal domain is chara...
journal_title：Neurochemical research
pub_type： 杂志文章
doi：10.1023/a:1021608514646
更新日期：2003-01-01 00:00:00
abstract：:Microglia, the resident immune cells of the CNS, are primary regulators of the neuroimmune response to injury. Type I interferons (IFNs), including the IFNαs and IFNβ, are key cytokines in the innate immune system. Their activity is implicated in the regulation of microglial function both during development and in res...
journal_title：Neurochemical research
pub_type： 杂志文章,评审
doi：10.1007/s11064-017-2307-8
更新日期：2017-09-01 00:00:00
abstract：:In the present study, we aimed to investigate the effects of pinealectomy and chronic melatonin administration on focal epileptiform activity induced by penicillin in the rat cortex and to determine the relation between melatonin levels and electrocorticogram (ECoG) power spectrum. For this purpose, male Sprague-Dawle...
journal_title：Neurochemical research
pub_type： 杂志文章
doi：10.1007/s11064-013-1069-1
更新日期：2013-08-01 00:00:00
