Structure of the mannose-rich oligosaccharide chains of concanavalin A-binding glycopeptides derived from beef brain glycoproteins.

abstract：:To evaluate the ability of ependymal, microglial and oligodendroglial cells to degrade leucine, the presence of 3-methylcrotonyl-CoA carboxylase (MCC) was investigated in cultures of these cells. MCC is a biotin-containing heterodimeric enzyme that is specific for the irreversible part of the leucine catabolic pathway...

journal_title：Journal of neurochemistry

authors： Murín R,Verleysdonk S,Rapp M,Hamprecht B

更新日期：2006-06-01 00:00:00

abstract：:Dermorphin and its Hyp6 analogue are opiate-like heptapeptides originally discovered in frog skin and characterized by the presence of a D-Ala2 residue in their sequence. They were assayed for their capacity to compete with [3H]Leu-enkephalin for binding to opioid receptors in membranes of neuroblastoma x glioma hybri...

journal_title：Journal of neurochemistry

authors： Glaser T,Hübner K,de Castiglione R,Hamprecht B

更新日期：1981-12-01 00:00:00

abstract：:Using ligand binding techniques, we studied beta-adrenergic receptor subtypes in brains obtained at autopsy from seven histologically normal controls and seven histopathologically verified cases with Alzheimer-type dementia (ATD). Inhibition of [3H]dihydroalprenolol [( 3H]DHA) binding by the selective beta 1 antagonis...

journal_title：Journal of neurochemistry

authors： Shimohama S,Taniguchi T,Fujiwara M,Kameyama M

更新日期：1987-04-01 00:00:00

abstract：:We recently reported an abnormal production of interleukin-1 (IL-1) in peripheral macrophages of several neurological mutant mice that exhibit patterns of neuronal degeneration, especially in the cerebellum. After in vitro activation by lipopolysaccharide acid (LPS), these macrophages hyperexpress IL-1 beta mRNA and h...

journal_title：Journal of neurochemistry

authors： Kopmels B,Mariani J,Delhaye-Bouchaud N,Audibert F,Fradelizi D,Wollman EE

更新日期：1992-01-01 00:00:00

abstract：:To examine the correlation between the structure of Bcl-2 and its inhibitory function of c-Jun N-terminal kinase (JNK) and caspase activity, we established a dopaminergic neuronal cell line, MN9D overexpressing Bcl-2 (MN9D/Bcl-2) or its structural mutants. The mutants comprised a point mutation in the BH1 (G145A; MN9D...

journal_title：Journal of neurochemistry

authors： Choi WS,Yoon SY,Chang II,Choi EJ,Rhim H,Jin BK,Oh TH,Krajewski S,Reed JC,Oh YJ

更新日期：2000-04-01 00:00:00

abstract：:Aberrant production of amyloid-beta peptides by processing of the beta-amyloid precursor protein leads to the formation of characteristic extracellular protein deposits which are thought to be the cause of Alzheimer's disease. Therefore, inhibiting the key enzymes responsible for amyloid-beta peptide generation, beta-...

journal_title：Journal of neurochemistry

authors： Beher D,Wrigley JD,Owens AP,Shearman MS

更新日期：2002-08-01 00:00:00

abstract：:The present experiments assessed the effects of SR 48692, a selective nonpeptide antagonist of neurotensin receptors, on mesolimbic dopaminergic neurotransmission. Dopamine release evoked by the electrical stimulation of the median forebrain bundle (20 Hz, 10 s) was measured in the nucleus accumbens of urethane-anesth...

journal_title：Journal of neurochemistry

authors： Brun P,Steinberg R,Le Fur G,Soubrié P

更新日期：1995-05-01 00:00:00

abstract：:Leucine and beta-(+/-)-2-aminobicyclo[2.2.1]heptane-2-carboxylic acid (BCH) stimulated, in a dose-dependent manner, reductive amination of 2-oxoglutarate in rat brain synaptosomes treated with Triton X-100. The concentration dependence curves were sigmoid, with 10-15-fold stimulations at 15 mM leucine (or BCH); oxidat...

journal_title：Journal of neurochemistry

authors： Erecińska M,Nelson D

更新日期：1990-04-01 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：:The regional and developmental expression of NMDA receptors containing the NR2D subunit was analyzed on the level of the subunit mRNA and protein in rat brain. RNase protection experiments indicated that among two proposed splice variants of the NR2D subunit, only the NR2D-2 subunit is expressed. The regional distribu...

journal_title：Journal of neurochemistry

authors： Wenzel A,Villa M,Mohler H,Benke D

更新日期：1996-03-01 00:00:00

abstract：:Microscopic fluorescence analysis of fura-2-loaded bovine adrenal chromaffin cells demonstrates that approximately 70% of the cells responded to arachidonic acid in increasing the intracellular Ca2+ concentration. Because this increase was markedly less in the absence of external Ca2+, we examined the effect of arachi...

journal_title：Journal of neurochemistry

authors： Mochizuki-Oda N,Negishi M,Mori K,Ito S

更新日期：1993-11-01 00:00:00

abstract：:beta-Methyleneaspartate, a specific inhibitor of aspartate aminotransferase (EC 2.6.1.1.), was used to investigate the role of the malate-aspartate shuttle in rat brain synaptosomes. Incubation of rat brain cytosol, "free" mitochondria, synaptosol, and synaptic mitochondria, with 2 mM beta-methyleneaspartate resulted ...

journal_title：Journal of neurochemistry

authors： Cheeseman AJ,Clark JB

更新日期：1988-05-01 00:00:00

abstract：:Proteasomal dysfunction has been recently implicated in the pathogenesis of several neurodegenerative diseases, including Parkinson's disease and diffuse Lewy body disease. We have developed an in vitro model of proteasomal dysfunction by applying pharmacological inhibitors of the proteasome, lactacystin or ZIE[O-tBu]...

journal_title：Journal of neurochemistry

authors： Rideout HJ,Larsen KE,Sulzer D,Stefanis L

更新日期：2001-08-01 00:00:00

abstract：:Exposure to excessive levels of light induces photoreceptor apoptosis and can be a causative factor in age-related macular degeneration (AMD). However, the cellular events that mediate this apoptotic response are poorly understood. Here, we investigated the roles of endoplasmic reticulum (ER) stress in light-induced c...

journal_title：Journal of neurochemistry

authors： Nakanishi T,Shimazawa M,Sugitani S,Kudo T,Imai S,Inokuchi Y,Tsuruma K,Hara H

更新日期：2013-04-01 00:00:00

abstract：:Aggregation of conformation-abnormal peptides probably plays a key role in the pathogenesis of many neurodegenerative diseases. DSCR1 Down syndrome (DS) critical region 1, was identified from a chromosomal region (21q22.1-q22.2) for the clinical manifestations of DS when an extra-copy is present. We report that expres...

journal_title：Journal of neurochemistry

authors： Ma H,Xiong H,Liu T,Zhang L,Godzik A,Zhang Z

更新日期：2004-03-01 00:00:00

abstract：:Progress has been made in Guillain-Barré syndrome, a post-infectious autoimmune neuropathy, especially on identifying Campylobacter jejuni genes responsible for the development and determinant of clinical features. C. jejuni strains carrying a sialyltransferase gene (cst-II), which is essential for the biosynthesis of...

journal_title：Journal of neurochemistry

authors： Yuki N

更新日期：2007-11-01 00:00:00

abstract：:Primary cultures of astrocytes from newborn rat brain showed evidence of a substrate-saturable process for glucose transport. The system shows a relatively high affinity for the substrate, with an apparent Km of approximately 1 mM. Maintenance of the cells in medium containing thyroid-hormone-free serum for 3, 6, or 9...

journal_title：Journal of neurochemistry

authors： Roeder LM,Williams IB,Tildon JT

更新日期：1985-11-01 00:00:00

abstract：:Regulated intramembrane proteolysis (RIP) controls the communication between cells and the extracellular environment. RIP is essential in the nervous system, but also in other tissues. In the RIP process, a membrane protein typically undergoes two consecutive cleavages. The first one results in the shedding of its ect...

journal_title：Journal of neurochemistry

authors： Lichtenthaler SF,Haass C,Steiner H

更新日期：2011-06-01 00:00:00

abstract：:The effects of chronic treatment with the specific, mechanism-based, irreversible inhibitors of 4-aminobutyrate aminotransferase (EC 2.6.1.19; GABA transaminase), ethanolamine O-sulphate (EOS), and 4-aminohexenoate [vigabatrin; gamma-vinyl-GABA (GVG)] on the extracellular concentrations of GABA in the hippocampus have...

journal_title：Journal of neurochemistry

authors： Qume M,Whitton PS,Fowler LJ

更新日期：1995-05-01 00:00:00

abstract：:This Editorial highlights an article in the current issue by Tapia-Rojas and Inestrosa suggesting that attenuation of Wnt signalling may be a triggering factor for the pathogenesis of Alzheimer disease (AD) in the J20 mouse model of AD. Their study utilises Wnt signalling inhibitors that operate at different points in...

journal_title：Journal of neurochemistry

authors： Garner B,Ooi L

更新日期：2018-02-01 00:00:00

abstract：:The blood-brain barrier (BBB) and blood-spinal cord barrier (BSCB) are highly specialized structures that limit molecule entry from the blood and maintain homeostasis within the central nervous system (CNS). BBB and BSCB breakdown are associated with multiple neurodegenerative diseases. Given the key role of neuroprot...

journal_title：Journal of neurochemistry

authors： Kumar V,Lee JD,Coulson EJ,Woodruff TM

更新日期：2020-07-06 00:00:00

abstract：:A diphtheria toxin-neurotrophin-4/5 (NT-4/5) chimera (DAB389-NT4), in which the native receptor binding domain of diphtheria toxin was replaced with a synthetic gene encoding rat NT-4/5, was expressed, refolded, and purified. This fusion toxin has a deduced molecular mass of 60,163 and is formed by joining the first 3...

journal_title：Journal of neurochemistry

authors： Negro A,Skaper SD

更新日期：1997-02-01 00:00:00

abstract：:Glucocorticoids (GCs), the adrenal steroids secreted during stress, can compromise the ability of hippocampal neurons to survive numerous necrotic insults. We have previously observed that GCs worsen the deleterious effects of gp120, the glycoprotein of the acquired immune deficiency syndrome virus, which can indirect...

journal_title：Journal of neurochemistry

authors： Yusim A,Franklin L,Brooke S,Ajilore O,Sapolsky R

更新日期：2000-03-01 00:00:00

abstract：:D-serine is a co-agonist of NMDA receptor (NMDAR) and plays important roles in synaptic plasticity mechanisms. Serine racemase (SR) is a brain-enriched enzyme that converts L-serine to D-serine. SR interacts with the protein interacting with C-kinase 1 (PICK1), which is known to direct protein kinase C (PKC) to its ta...

journal_title：Journal of neurochemistry

authors： Vargas-Lopes C,Madeira C,Kahn SA,Albino do Couto I,Bado P,Houzel JC,De Miranda J,de Freitas MS,Ferreira ST,Panizzutti R

更新日期：2011-01-01 00:00:00

abstract：:The AP1 site within the tyrosine hydroxylase gene proximal promoter is essential for the response of the gene to numerous stimuli. Stimulation of this gene is often associated with induction of the AP1 transcription factor, c-Fos. However, many stimuli activate or induce multiple transcription factors that interact wi...

journal_title：Journal of neurochemistry

authors： Sun B,Tank AW

更新日期：2002-01-01 00:00:00

abstract：:[3H]Quipazine was used to label binding sites in rat brain membranes that display characteristics of a 5-hydroxytryptamine3 (5-HT3) receptor. The radioligand binds with high affinity (KD, 1.2 +/- 0.1 nM) to a saturable population of sites (Bmax, 3.0 +/- 0.4 pmol/g of tissue) that are differentially located in the brai...

journal_title：Journal of neurochemistry

authors： Milburn CM,Peroutka SJ

更新日期：1989-06-01 00:00:00

abstract：:We investigated by 13C NMR the turnover of the H3 deuterons of (2-13C) glutamate and (2-13C) glutamine in the brain of partially deuterated rats. Adult animals (150-200 g) fed ad libitum received 50% 2H2O or tap water 9 days before infusing (1-13C) glucose or (2-13C) acetate for 5, 10, 15, 30, 60, or 90 min. The brain...

journal_title：Journal of neurochemistry

authors： Cerdán S,Sierra A,Fonseca LL,Ballesteros P,Rodrigues TB

更新日期：2009-05-01 00:00:00

abstract：:3 alpha-Hydroxysteroid oxidoreductase (EC 1.1.1.50) was localized in the rat brain by cryostat sectioning, microassay, and neurochemical lesions. Single 16-microns sections were cut, homogenized, and assayed. In the olfactory tubercle 3 alpha-hydroxysteroid oxidoreductase activity is high in the piaglial layer at the ...

journal_title：Journal of neurochemistry

authors： Krieger NR,Scott RG

更新日期：1989-06-01 00:00:00

abstract：:CYP46A1 is a neuron-specific cytochrome P450 that plays a pivotal role in maintaining cholesterol homeostasis in the CNS. However, the molecular mechanisms underlying human CYP46A1 expression are still poorly understood, partly because of the lack of a cellular model that expresses high levels of CYP46A1. Our previous...

journal_title：Journal of neurochemistry

authors： Milagre I,Nunes MJ,Castro-Caldas M,Moutinho M,Gama MJ,Rodrigues E

更新日期：2012-01-01 00:00:00

abstract：:Primary cortical neurones exposed to an oxidative insult in the form of hydrogen peroxide (H(2)O(2)) for 30 min showed a concentration-dependent increase in oxidative stress followed by a delayed NMDA receptor-dependent cell death measured 24 h later. Extracellular signal-regulated protein kinase (ERK1/2), c-jun N-ter...

journal_title：Journal of neurochemistry

authors： Crossthwaite AJ,Hasan S,Williams RJ

更新日期：2002-01-01 00:00:00