Nonenzymatic conversion of 3,4-dihydroxyphenylalanine to 2,4,5-trihydroxyphenylalanine and 2,4,5-trihydroxyphenylalanine quinone in physiological solutions.

abstract：:The photic regulation of heme oxygenase (HO) activity was examined in the golden hamster retina. This enzymatic activity was significantly higher at midday than at midnight. When the hamsters were placed under constant darkness for 48 h and killed at subjective day or at subjective night, the differences in HO activit...

journal_title：Journal of neurochemistry

authors： Sacca GB,Sáenz DA,Jaliffa CO,Minces L,Keller Sarmiento MI,Rosenstein RE

更新日期：2003-04-01 00:00:00

abstract：:Post-traumatic immune suppression renders individuals with spinal cord injury (SCI) susceptible to infection. Normally, proper immune function is regulated by collaboration between the sympathetic nervous system (SNS) and hypothalamic-pituitary-adrenal (HPA) axis and involves the controlled release of glucocorticoids ...

journal_title：Journal of neurochemistry

authors： Lucin KM,Sanders VM,Popovich PG

更新日期：2009-09-01 00:00:00

abstract：:Angiopoietin-1, an angiogenic factor, stabilizes brain microvessels through Tie-2 receptor tyrosine kinase. In traumatic brain injury, blood-brain barrier (BBB) disruption is an aggravating factor that induces brain edema and neuroinflammation. We previously showed that BQ788, an endothelin ETB receptor antagonist, pr...

journal_title：Journal of neurochemistry

authors： Michinaga S,Tanabe A,Nakaya R,Fukutome C,Inoue A,Iwane A,Minato Y,Tujiuchi Y,Miyake D,Mizuguchi H,Koyama Y

更新日期：2020-08-01 00:00:00

abstract：:Japanese encephalitis virus (JEV), a single-stranded RNA (ssRNA) virus, is the leading cause of encephalitis in Asia. Microglial activation is one of the key events in JEV-induced neuroinflammation. Although the various microRNAs (miRNAs) has been shown to regulate microglia activation during pathological conditions i...

journal_title：Journal of neurochemistry

authors： Thounaojam MC,Kaushik DK,Kundu K,Basu A

更新日期：2014-04-01 00:00:00

abstract：:Proteolytic processing and phosphorylation of amyloid precursor protein (APP), and hyperphosphorylation of tau protein, have been shown to be increased in Alzheimer's disease (AD) brains, leading to increased production of beta-amyloid (Abeta) peptides and neurofibrillary tangles, respectively. These observations sugg...

journal_title：Journal of neurochemistry

authors： Butterfield DA,Abdul HM,Opii W,Newman SF,Joshi G,Ansari MA,Sultana R

更新日期：2006-09-01 00:00:00

abstract：:We studied the formation of early endosomes in differentiating oligodendrocytes and type-2 astrocytes, which are derived from common precursor cells in rat neonates, using fluorescent analogues of lactosylceramide (LacCer) and sulfatide labeled with 4,4-difluoro-5,7-dimethyl-4-bora-3a,4a-diaza-s-indacene++ +-3-pentano...

journal_title：Journal of neurochemistry

authors： Watanabe R,Asakura K,Rodriguez M,Pagano RE

更新日期：1999-10-01 00:00:00

abstract：:We previously showed that Nuclear Factor kappaB (NF-kappaB) inactivation in astrocytes leads to improved functional recovery following spinal cord injury (SCI). This correlated with reduced expression of pro-inflammatory mediators and chondroitin sulfate proteoglycans, and increased white matter preservation. Hence we...

journal_title：Journal of neurochemistry

authors： Brambilla R,Hurtado A,Persaud T,Esham K,Pearse DD,Oudega M,Bethea JR

更新日期：2009-07-01 00:00:00

abstract：:Five subtypes of the muscarinic receptor have been cloned from both the rat and human genomes. Although all five genes have the coding sequences in a single exon, their structures 5' of the initiation codon are largely uncharacterized, except for the M4 receptor. In the brain, muscarinic receptors mediate motor and me...

journal_title：Journal of neurochemistry

authors： Klett CP,Bonner TI

更新日期：1999-03-01 00:00:00

abstract：:The role of asparagine as precursor for the neurotransmitter aspartate was investigated in rat striatum in vitro. 14C-asparagine incubated with striatal slices is converted to a great extent to 14C-aspartate which is released in a calcium-dependent manner by high KCl. Furthermore, a frontoparietal cortex ablation of t...

journal_title：Journal of neurochemistry

authors： Reubi JC,Toggenburger G,Cuénod M

更新日期：1980-10-01 00:00:00

abstract：:The RGS proteins are a recently discovered family of G protein regulators that have been shown to act as GTPase-activating proteins (GAPs) on the G(alpha i) and G(alpha q) subfamilies of the heterotrimeric G proteins. Here, we demonstrate that RGS7 is a potent GAP in vitro on G(alpha i1), and G(alpha o) heterotrimeric...

journal_title：Journal of neurochemistry

authors： Shuey DJ,Betty M,Jones PG,Khawaja XZ,Cockett MI

更新日期：1998-05-01 00:00:00

abstract：:The administration of nicotine activates tyrosine hydroxylase in the rat adrenal gland. This activation is apparently maximal 25 min after a single subcutaneous injection of nicotine at 2.3 mg/kg. Repeated injections of nicotine (seven injections once every 30 min) are associated with a persistent activation of adrena...

journal_title：Journal of neurochemistry

authors： Fossom LH,Sterling C,Tank AW

更新日期：1991-12-01 00:00:00

abstract：:Dendritic trafficking and translation of brain-derived neurotrophic factor (BDNF) transcripts play a key role in mediating synaptic plasticity. Recently, we demonstrated that siRNA-mediated knockdown of translin, an RNA-binding protein, impairs KCl-induced dendritic trafficking of BDNF mRNA in cultured hippocampal neu...

journal_title：Journal of neurochemistry

authors： Wu YC,Williamson R,Li Z,Vicario A,Xu J,Kasai M,Chern Y,Tongiorgi E,Baraban JM

更新日期：2011-03-01 00:00:00

abstract：:A targeted neuropharmacological, (1)H/(13)C NMR spectroscopy and multivariate statistical approach was used to examine the effects of exogenous GABA and ligands at the GABA(A) receptor family on brain metabolism in the Guinea pig cortical tissue slice. All ligands at GABA(A) receptors generated metabolic patterns whic...

journal_title：Journal of neurochemistry

authors： Nasrallah FA,Griffin JL,Balcar VJ,Rae C

更新日期：2009-01-01 00:00:00

abstract：:Developmental profiles were determined for the activities of eight enzymes involved in fatty acid beta-oxidation in rat brain. The enzymes studied were the palmitoyl-CoA, octanoyl-CoA, butyryl-CoA, glutaryl-CoA, and 3-hydroxyacyl-CoA dehydrogenases, the enoyl-CoA hydratase (crotonase), and the C4- and C10-thiolases. W...

journal_title：Journal of neurochemistry

authors： Reichmann H,Maltese WA,DeVivo DC

更新日期：1988-08-01 00:00:00

abstract：:Melatonin and 5-methoxytryptamine inhibited forskolin-stimulated cyclic AMP formation in cultured neural cells prepared from embryonic chick retina. Both methoxyindoles exhibited similar potency and efficacy, with EC50 values of 0.8 nM for melatonin and 7.2 nM for 5-methoxytryptamine. Inhibition of cyclic AMP formatio...

journal_title：Journal of neurochemistry

authors： Iuvone PM,Gan J,Alonso-Gómez AL

更新日期：1995-04-01 00:00:00

abstract：:The characteristics of beta-alanine transport at the blood-brain barrier were studied by using primary cultured bovine brain capillary endothelial cells. Kinetic analysis of the beta-[3H]alanine transport indicated that the transporter for beta-alanine functions with Kt of 25.3 +/- 2.5 microM and Jmax of 6.90 +/- 0.48...

journal_title：Journal of neurochemistry

authors： Komura J,Tamai I,Senmaru M,Terasaki T,Sai Y,Tsuji A

更新日期：1996-07-01 00:00:00

abstract：:The determinants of charge selectivity of the Cys-loop family of ligand-gated ion channels have been studied for more than a decade. The investigations have mainly covered homomeric receptors e.g. the nicotinic acetylcholine receptor alpha7, the glycine receptor alpha1 and the serotonin receptor 5-HT(3A). Only recentl...

journal_title：Journal of neurochemistry

authors： Jensen ML,Schousboe A,Ahring PK

更新日期：2005-01-01 00:00:00

abstract：:The neuromodulator adenosine can be released as such, mainly activating inhibitory A1 receptors, or formed from released ATP, preferentially activating facilitatory A2A receptors. We tested if changes in extracellular adenosine metabolism paralleled changes in A1/A2A receptor neuromodulation in the aged rat hippocampu...

journal_title：Journal of neurochemistry

authors： Cunha RA,Almeida T,Ribeiro JA

更新日期：2001-01-01 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：:Both phosphointermediate- and vacuolar-type (P- and V-type, respectively) ATPase activities found in cholinergic synaptic vesicles isolated from electric organ are immunoprecipitated by a monoclonal antibody to the SV2 epitope characteristic of synaptic vesicles. The two activities can be distinguished by assay in the...

journal_title：Journal of neurochemistry

authors： Hicks BW,Parsons SM

更新日期：1992-04-01 00:00:00

abstract：:MicroRNAs (miRNAs) released from the activated microglia upon neurotropic virus infection may exacerbate the neuronal damage. Here, we identified let-7a and let-7b (let-7a/b) as one of the essential miRNAs over-expressed upon Japanese Encephalitis virus (JEV) infection and released in the culture supernatant of the JE...

journal_title：Journal of neurochemistry

authors： Mukherjee S,Akbar I,Kumari B,Vrati S,Basu A,Banerjee A

更新日期：2019-05-01 00:00:00

abstract：:The current study used an ethanol antagonist, increased atmospheric pressure, to test the hypothesis that ethanol acts on multiple sites in glycine receptors (GlyRs). The effects of 12 times normal atmospheric pressure of helium-oxygen gas (pressure) on ethanol-induced potentiation of GlyR function in Xenopus oocytes ...

journal_title：Journal of neurochemistry

authors： Davies DL,Crawford DK,Trudell JR,Mihic SJ,Alkana RL

更新日期：2004-06-01 00:00:00

abstract：:Rapid axonal transport of proteins in retinal ganglion cells of the rabbit was studied following intraocular injections of labelled amino acids. Approximately 10% of the transported radioactivity was found in the supernatant following homogenization and high-speed centrifugation of the nerve terminal region. Relativel...

journal_title：Journal of neurochemistry

authors： Karlsson JO

更新日期：1976-11-01 00:00:00

abstract：:The antagonistic effects of gallamine on muscarinic receptor-linked responses were investigated in N1E-115 neuroblastoma cells. M1 muscarinic receptor-mediated phosphoinositide hydrolysis induced by carbamylcholine was antagonized by gallamine, with a Ki value of 33 microM. By comparison, gallamine was four- to fivefo...

journal_title：Journal of neurochemistry

authors： Lee NH,el-Fakahany EE

更新日期：1989-10-01 00:00:00

abstract：:gamma-Aminobutyric acid (GABA) and glutamic acid decarboxylase (GAD) activities were measured in the ovary and the Fallopian tube of rats and compared with brain values. GABA levels in the Fallopian tube were about twice as high as in the brain, while in the ovary they represented only about 5% of the amino acid conte...

journal_title：Journal of neurochemistry

authors： Apud JA,Tappaz ML,Celotti F,Negri-Cesi P,Masotto C,Racagni G

更新日期：1984-07-01 00:00:00

abstract：:The mu-opioid receptor agonists have a preferential effect on nociception in adults but their analgesic effect is less selective in neonates. Here we presented our finding that the mu-opioid receptor agonists had no effect on high voltage-activated Ca(2+) channels (HVACCs) in adult dorsal root ganglion (DRG) neurons t...

journal_title：Journal of neurochemistry

authors： Wu ZZ,Cai YQ,Pan HL

更新日期：2009-05-01 00:00:00

abstract：:The mechanisms of injury-induced apoptosis of neurons within the spinal cord are poorly understood. In this study, we show that spinal cord injury (SCI) induces endoplasmic reticulum stress revealed by the activation of an unbalanced unfolded protein response (UPR). Using a weight-drop contusion model of SCI, the UPR ...

journal_title：Journal of neurochemistry

authors： Penas C,Guzmán MS,Verdú E,Forés J,Navarro X,Casas C

更新日期：2007-08-01 00:00:00

abstract：:A new neuronal cell line was generated by transfection of rat olfactory epithelium with immortalizing recombinant oncogene E1A of adenovirus-2. The resulting 13.S.1.24 line of transformed cells expressed an antigenic phenotype of olfactory neuronal progenitors. Addition of dopamine to 13.S.1.24 cultures induced reduct...

journal_title：Journal of neurochemistry

authors： Coronas V,Féron F,Hen R,Sicard G,Jourdan F,Moyse E

更新日期：1997-11-01 00:00:00

abstract：:Glutamate in the prefrontal cortex (PFC) plays a significant role in several mental illnesses, including schizophrenia, addiction and anxiety. Previous studies on PFC glutamate-mediated function have used techniques that raise questions on the neuronal versus astrocytic origin of glutamate. The present studies used en...

journal_title：Journal of neurochemistry

authors： Hascup ER,Hascup KN,Stephens M,Pomerleau F,Huettl P,Gratton A,Gerhardt GA

更新日期：2010-12-01 00:00:00

abstract：:Previous work from our laboratory points to plasma free tryptophan being a useful predictor of brain tryptophan concentration in many circumstances. Other work, in particular various studies on the acute effects of food intake, has emphasized the roles of plasma total tryptophan and of plasma large neutral amino acids...

journal_title：Journal of neurochemistry

authors： Sarna GS,Kantamaneni BD,Curzon G

更新日期：1985-05-01 00:00:00