Structure-activity relationships of conformationally constrained peptide analogues of loop 2 of brain-derived neurotrophic factor.

abstract：:We have previously demonstrated hippocampal hyperglutamatergic signaling occurs prior to plaque accumulation in AβPP/PS1 mice. Here, we evaluate 2-Amino-6-(trifluoromethoxy) benzothiazole (riluzole) as an early intervention strategy for Alzheimer's disease (AD), aimed at restoring glutamate neurotransmission prior to ...

journal_title：Journal of neurochemistry

authors： Hascup KN,Findley CA,Britz J,Esperant-Hilaire N,Broderick SO,Delfino K,Tischkau S,Bartke A,Hascup ER

更新日期：2020-10-26 00:00:00

abstract：:Myelinogenesis in developing rats was studied following chronic dosing with triethyl tin (TET), at a level of 1.0 mg TET/kg body wt/day. Experiments included starved controls with body weights depressed by 17 to 40% to equal those of the TET-treated groups. Rats at ages of 16, 21, and 30 days showed decreases relative...

journal_title：Journal of neurochemistry

authors： Blaker WD,Krigman MR,Thomas DJ,Mushak P,Morell P

更新日期：1981-01-01 00:00:00

abstract：:Hyperexcitability of the hippocampus is a commonly observed phenomenon in the years preceding a diagnosis of Alzheimer's disease (AD). Our previous work suggests a dysregulation in glutamate neurotransmission may mediate this hyperexcitability, and glutamate dysregulation correlates with cognitive deficits in the rTg(...

journal_title：Journal of neurochemistry

authors： Hunsberger HC,Weitzner DS,Rudy CC,Hickman JE,Libell EM,Speer RR,Gerhardt GA,Reed MN

更新日期：2015-10-01 00:00:00

abstract：:Neuron-secreted factors induce astrocytic expression of the glutamate transporter, GLT-1 (excitatory amino acid transporter 2). In addition to their elaborate anatomic relationships with neurons, astrocytes also have processes that extend to and envelop the vasculature. Although previous studies have demonstrated that...

journal_title：Journal of neurochemistry

authors： Lee ML,Martinez-Lozada Z,Krizman EN,Robinson MB

更新日期：2017-12-01 00:00:00

abstract：:This study focuses on the potential involvement of carnitine palmitoyltransferase (CPT) on the phospholipid and triglyceride fatty acid turnover in neurons. This category of enzymes, which has been identified in several rat brain tissues, is well known for its role in modulating cellular fatty acid oxidation. Neuronal...

journal_title：Journal of neurochemistry

authors： Arduini A,Denisova N,Virmani A,Avrova N,Federici G,Arrigoni-Martelli E

更新日期：1994-04-01 00:00:00

abstract：:Glycerol phosphate dehydrogenase (GPDH), glucose-6-phosphate dehydrogenase (G6PDH), and lactate dehydrogenase (LDH) activities were determined in oligodendrocytes, neurons, and astrocytes isolated from the brains of developing rats. The activity of each enzyme was significantly lower in both neurons and astrocytes tha...

journal_title：Journal of neurochemistry

authors： Cammer W,Snyder DS,Zimmerman TR Jr,Farooq M,Norton WT

更新日期：1982-02-01 00:00:00

abstract：:The ability of activated glia to affect cerebral vascular tone has been evaluated using an in vitro experimental system in which basilar arteries were incubated with glial cultures activated by treatment with lipopolysaccharide (LPS). Vascular tone was measured with an isometric myograph. Contraction in response to hi...

journal_title：Journal of neurochemistry

authors： Chisari M,Salomone S,Laureanti F,Copani A,Sortino MA

更新日期：2004-12-01 00:00:00

abstract：:Conditioned medium derived from a rat central nervous system neuronal cell line B104 (B104 CM) was shown previously to contain uncharacterized potent mitogen(s) for oligodendrocyte/type-2 astrocyte (O-2A) progenitor cells. In this study, we demonstrated that B104 cells produce and secrete platelet-derived growth facto...

journal_title：Journal of neurochemistry

authors： Asakura K,Hunter SF,Rodriguez M

更新日期：1997-06-01 00:00:00

abstract：:1-[2-(4-Aminophenyl)ethyl]-4-(3-trifluoromethylphenyl)piperazine (PAPP) inhibits [3H]5-hydroxytryptamine (5-HT, serotonin) binding to 5-HT1A and 5-HT1B sites in rat brain with apparent equilibrium dissociation constants (KD) of 2.9 and 328 nM, respectively. [3H]PAPP was synthesized, its binding to central serotonin re...

journal_title：Journal of neurochemistry

authors： Ransom RW,Asarch KB,Shih JC

更新日期：1986-01-01 00:00:00

abstract：:Portocaval anastomosis (PCA) in the rat leads, within 4 weeks, to severe liver atrophy, sustained hyperammonemia, and increased brain ammonia. Because brain is not equipped with an effective urea cycle, removal of ammonia involves glutamine synthesis and PCA results in significantly increased brain glutamine. Glutamin...

journal_title：Journal of neurochemistry

authors： Butterworth RF,Girard G,Giguère JF

更新日期：1988-08-01 00:00:00

abstract：:Transgenic Huntington's disease (HD) mice, expressing exon 1 of the HD gene with an expanded CAG repeat, are totally resistant to striatal lesion induced by excessive NMDA receptor activation. We now show that striatal lesions induced by the mitochondrial toxin malonate are reduced by 70-80% in transgenic HD mice comp...

journal_title：Journal of neurochemistry

authors： Hansson O,Castilho RF,Korhonen L,Lindholm D,Bates GP,Brundin P

更新日期：2001-08-01 00:00:00

abstract：:The neurotoxic metabolite of N-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP), 1-methyl-4-phenylpyridinium, selectively accumulates in dopaminergic neurons via the dopamine reuptake system. Consequently, nontoxic radiolabeled MPTP analogs may be potentially useful for visualizing catecholaminergic neurons in vivo. ...

journal_title：Journal of neurochemistry

authors： Efange SM,Mash D,Hefti F,Kung HF,Billings J

更新日期：1989-08-01 00:00:00

abstract：:The main objective of these studies was to determine whether the acute administration of choline to rats provides supplemental precursor that can be used to support acetylcholine synthesis when the demand for choline is increased by increasing neurotransmitter release. For these experiments, hippocampal and striatal s...

journal_title：Journal of neurochemistry

authors： Wecker L,Cawley G,Rothermel S

更新日期：1989-02-01 00:00:00

abstract：:The turnover rate of gamma-aminobutyric acid (GABA) in the rat striatum was estimated by measuring its accumulation after inhibition of GABA-transaminase (GABA-T) with gabaculine. Intrastriatal injections of 100 micrograms gabaculine induced a rapid and complete inhibition of GABA-T. GABA accumulation was linear with ...

journal_title：Journal of neurochemistry

authors： Giorgi O,Meek JL

更新日期：1984-01-01 00:00:00

abstract：:The distributions of glutamate decarboxylase (EC 4.1.1.15), gamma-aminobutyric acid transaminase (EC 2.6.1.19), and succinate semialdehyde dehydrogenase (EC 1.2.1.24) were determined in monkey retina. The decarboxylase was almost restricted to the inner plexiform layer. The transaminase was also highest in this layer,...

journal_title：Journal of neurochemistry

authors： Pusateri ME,Carter JG,Berger SJ,Lowry OH

更新日期：1984-05-01 00:00:00

abstract：:Recent studies have shown that mast cells (MCs) are present in rat brain, that they have a predominantly thalamic localization, and that they contain histamine (HA). However, the degree to which these cells contribute to brain HA levels has remained unclear. Our recent studies of the precise distribution of rat brain ...

journal_title：Journal of neurochemistry

authors： Goldschmidt RC,Hough LB,Glick SD

更新日期：1985-06-01 00:00:00

abstract：:Using optical imaging of retinal ganglion cell (RGC) calcium dynamics in living intact retinal wholemount preparations, we tested whether RGCs in an experimental rat glaucoma model were more sensitive to exogenously applied glutamate as a result of deficient glutamate clearance mechanisms. In contrast to post-natal ra...

journal_title：Journal of neurochemistry

authors： Hartwick AT,Zhang X,Chauhan BC,Baldridge WH

更新日期：2005-08-01 00:00:00

abstract：:G-protein coupled receptors may mediate their effects on neuronal growth and differentiation through activation of extracellular signal-regulated kinases 1/2 (ERK1/2), often elicited by transactivation of growth factor receptor tyrosine kinases. This elaborate signaling process includes inducible formation and traffic...

journal_title：Journal of neurochemistry

authors： Asimaki O,Leondaritis G,Lois G,Sakellaridis N,Mangoura D

更新日期：2011-03-01 00:00:00

abstract：:The mechanism(s) underlying neurodegeneration-associated activation of ERK1/2 remain poorly understood. We report that in cultured rat cortical neurons, whose basal ERK1/2 phosphorylation required NMDA receptors (NMDAR), the neurotoxic DNA intercalating drug cisplatin increased ERK1/2 phosphorylation via NMDAR despite...

journal_title：Journal of neurochemistry

authors： Gozdz A,Vashishta A,Kalita K,Szatmari E,Zheng JJ,Tamiya S,Delamere NA,Hetman M

更新日期：2008-09-01 00:00:00

abstract：:Synaptic scaffolding molecule (S-SCAM) is a synaptic protein, which harbors five or six PSD-95/Discs large/ZO-1 (PDZ), a guanylate kinase and two WW domains. It interacts with NMDA receptor subunits, neuroligin and beta-catenin, and is involved in the accumulation of neuroligin at excitatory synapses. In this study, w...

journal_title：Journal of neurochemistry

authors： Sumita K,Sato Y,Iida J,Kawata A,Hamano M,Hirabayashi S,Ohno K,Peles E,Hata Y

更新日期：2007-01-01 00:00:00

abstract：:Mouse models of MPTP intoxication have been used extensively to explore the molecular mechanisms of Parkinson's disease. However, these models present some limitations since; (i) Dopaminergic (DA) cell death occurs rapidly in contrast to the presumably slow evolution of the disease process. (ii) Some of the key histol...

journal_title：Journal of neurochemistry

authors： Alvarez-Fischer D,Guerreiro S,Hunot S,Saurini F,Marien M,Sokoloff P,Hirsch EC,Hartmann A,Michel PP

更新日期：2008-11-01 00:00:00

abstract：:The major component of the amyloid deposition that characterizes Alzheimer's disease is the 4-kDa beta A4 protein, which is derived from a much larger amyloid protein precursor (APP). A procedure for the complete purification of APP from human brain is described. The same amino terminal sequence of APP was found in tw...

journal_title：Journal of neurochemistry

authors： Moir RD,Martins RN,Bush AI,Small DH,Milward EA,Rumble BA,Multhaup G,Beyreuther K,Masters CL

更新日期：1992-10-01 00:00:00

abstract：:The histamine H1 receptor binding capacity of the amygdalas of amygdaloid kindled rats was studied. In the kindled nonstimulated amygdala, significant decreases in K(D) and B(max) values compared with those of control amygdala were found 1 week after the last kindled seizure. One month after the last kindled seizure, ...

journal_title：Journal of neurochemistry

authors： Toyota H,Ito C,Yanai K,Sato M,Watanabe T

更新日期：1999-05-01 00:00:00

abstract：:Caspase cleavage of amyloid precursor protein (APP) has been reported to be important in amyloid beta protein (Aβ)-mediated neurotoxicity. However, the underlying mechanisms are not clearly understood. In this study, we explored the effect of caspase cleavage of APP on tau phosphorylation in relation to Aβ. We found t...

journal_title：Journal of neurochemistry

authors： Park SS,Jung HJ,Kim YJ,Park TK,Kim C,Choi H,Mook-Jung IH,Koo EH,Park SA

更新日期：2012-12-01 00:00:00

abstract：:To enable us to study expression of tyrosine hydroxylase [TH; tyrosine 3-monooxygenase; L-tyrosine tetrahydropteridine:oxygen oxidoreductase (3-hydroxylating); EC 1.14.16.2] as a measure of dopaminergic neuron function in future experiments, methods were developed to quantify TH mRNA levels in cultures of dopaminergic...

journal_title：Journal of neurochemistry

authors： Beck KD,Knusel B,Pasinetti G,Michel PP,Zawadzka H,Goldstein M,Hefti F

更新日期：1991-08-01 00:00:00

abstract：:Pilocarpine-induced seizures are mediated by the M(1) subtype of muscarinic acetylcholine receptor (mAChR), but little is known about the signaling mechanisms linking the receptor to seizures. The extracellular signal-regulated kinase (ERK) signaling cascade is activated by M(1) mAChR and is elevated during status epi...

journal_title：Journal of neurochemistry

authors： Berkeley JL,Decker MJ,Levey AI

更新日期：2002-07-01 00:00:00

abstract：:The role of the glutamate dehydrogenase reaction as a pathway of glutamate synthesis was studied by incubating synaptosomes with 5 mM 15NH4Cl and then utilizing gas chromatography-mass spectrometry to measure isotopic enrichment in glutamate and aspartate. The rate of formation of [15N]glutamate and [15N]aspartate fro...

journal_title：Journal of neurochemistry

authors： Yudkoff M,Nissim I,Nelson D,Lin ZP,Erecińska M

更新日期：1991-07-01 00:00:00

abstract：:We used both the polymerase chain reaction (PCR) and in situ hybridization to search for the presence of proteolipid protein (PLP) gene transcripts in the developing mouse. Total brain RNA extracted from 13-19-day embryos, analyzed by PCR, demonstrated the presence of a single transcript that was unambiguously identif...

journal_title：Journal of neurochemistry

authors： Timsit SG,Bally-Cuif L,Colman DR,Zalc B

更新日期：1992-03-01 00:00:00

abstract：:Tetanus and botulinum toxins bind and are internalized at the neuromuscular junction. Botulinum neurotoxins (BoNTs) enter the cytosol at the motor nerve terminal; tetanus neurotoxin (TeNT) proceeds retroaxonally inside the motor axon to reach the spinal cord inhibitory interneurons. Although the major target of BoNTs ...

journal_title：Journal of neurochemistry

authors： Verderio C,Coco S,Rossetto O,Montecucco C,Matteoli M

更新日期：1999-07-01 00:00:00

abstract：:The hippocampus is a distinct brain structure that is crucial in memory storage and retrieval. To identify comprehensively proteins of hippocampal plasma membrane (PM) and detect the neuronal-specific PM proteins, we performed a proteomic analysis of rat hippocampus PM using the following three technical strategies. F...

journal_title：Journal of neurochemistry

authors： Chen P,Li X,Sun Y,Liu Z,Cao R,He Q,Wang M,Xiong J,Xie J,Wang X,Liang S

更新日期：2006-08-01 00:00:00