Internalization and proteolytic action of botulinum toxins in CNS neurons and astrocytes.

abstract：:Read the highlighted article 'Defective synthesis and release of astrocytic thrombospondin-1 mediates the neuronal TDP-43 proteinopathy, resulting in defects in neuronal integrity associated with chronic traumatic encephalopathy: in vitro studies' on page 645. ...

journal_title：Journal of neurochemistry

authors： Jaber SM,Polster BM

更新日期：2017-02-01 00:00:00

abstract：:The metabolism of L-tryptophan to the neuroactive kynurenine pathway metabolites, L-kynurenine, kynurenate and quinolinate, and the effects of two inhibitors of quinolinate synthesis (6-chlorotryptophan and 4-chloro-3-hydroxyanthranilate) were investigated by mass spectrometric assays in cultured cells and in vivo. Ce...

journal_title：Journal of neurochemistry

authors： Naritsin DB,Saito K,Markey SP,Chen CY,Heyes MP

更新日期：1995-11-01 00:00:00

abstract：:Activation of integrin receptors in neurons can promote cell survival and synaptic plasticity, but the underlying signal transduction pathway(s) is unknown. We report that integrin signaling prevents apoptosis of embryonic hippocampal neurons by a mechanism involving integrin-linked kinase (ILK) that activates Akt kin...

journal_title：Journal of neurochemistry

authors： Gary DS,Milhavet O,Camandola S,Mattson MP

更新日期：2003-02-01 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：:Perineuronal nets (PNNs) are presumed to limit plasticity in adult animals. Ischaemic stroke results in the massive breakdown of PNNs resulting in rejuvenating states of neuronal plasticity, but the mechanisms of this phenomenon are largely unknown. As hyaluronic acid (HA) is the structural backbone of PNNs, we hypoth...

journal_title：Journal of neurochemistry

authors： Katarzyna Greda A,Nowicka D

更新日期：2020-12-20 00:00:00

abstract：:Cell culture studies have shown that the Alzheimer amyloid precursor protein (APP) is secreted after full-length APP is cleaved by a putative secretase at the Lys16-Leu17 bond (secretase cleavage I) of the amyloid peptide sequence. Because this cleavage event is incompatible with amyloid production, it has been assume...

journal_title：Journal of neurochemistry

authors： Anderson JP,Chen Y,Kim KS,Robakis NK

更新日期：1992-12-01 00:00:00

abstract：:Glycine and GABA are likely co-transmitters in the spinal cord. Their possible interactions in presynaptic terminals have, however, not been investigated. We studied the effects of glycine on GABA release using superfused mouse spinal cord synaptosomes. Glycine concentration dependently elicited [(3)H]GABA release whi...

journal_title：Journal of neurochemistry

authors： Raiteri L,Raiteri M,Bonanno G

更新日期：2001-03-01 00:00:00

abstract：:Astrogliosis occurs after brain ischemia, and excessive astrogliosis can devastate the neuronal recovery. Previous reports show that galectin-1 (Gal-1) regulates proliferation of several cell types and plays an important role after nervous system injuries. Here, we found that expression of Gal-1 was remarkably up-regu...

journal_title：Journal of neurochemistry

authors： Qu WS,Wang YH,Ma JF,Tian DS,Zhang Q,Pan DJ,Yu ZY,Xie MJ,Wang JP,Wang W

更新日期：2011-01-01 00:00:00

abstract：:Fingolimod, a sphingosine-1-phosphate receptor (S1PR) agonist, is clinically available to treat multiple sclerosis and is showing promise in treating stroke. We investigated if fingolimod provides long-term protection from experimental neonatal germinal matrix hemorrhage (GMH), aiming to support a potential mechanism ...

journal_title：Journal of neurochemistry

authors： Rolland WB,Krafft PR,Lekic T,Klebe D,LeGrand J,Weldon AJ,Xu L,Zhang JH

更新日期：2017-03-01 00:00:00

abstract：:It is well established that chronic nicotine treatment produces a dose-dependent increase in high-affinity L-[3H]nicotine binding. This increase may be due to chronic desensitization of the receptor. Sophisticated kinetic analyses of high-affinity nicotine binding to rat brain have demonstrated that the association ra...

journal_title：Journal of neurochemistry

authors： Bhat RV,Marks MJ,Collins AC

更新日期：1994-02-01 00:00:00

abstract：:It is generally accepted that in mammalian brain histamine is metabolized solely by histamine methyltransferase (HMT), to form tele-methylhistamine, then oxidized to tele-methylimidazoleacetic acid. However, histamine's oxidative metabolite in the periphery, imidazoleacetic acid (IAA), is also present in brain and CSF...

journal_title：Journal of neurochemistry

authors： Thomas B,Prell GD

更新日期：1995-08-01 00:00:00

abstract：:The normal developmental profile of preprotachykinin (PPT) gene expression was determined in rat striatum from embryonic day 20 to adulthood (greater than 45 days of age). At embryonic day 20, the amount of striatal PPT mRNA was approximately 8% of adult levels, and this specific mRNA approached adult levels by postna...

journal_title：Journal of neurochemistry

authors： Haverstick DM,Jeziorski M,Bannon MJ

更新日期：1990-09-01 00:00:00

abstract：:Hypoxia-inducible factor prolyl 4-hydroxylases (HIF-PHDs) are important targets against oxidative stress. We hypothesized that inhibition HIF-PHD by adaptaquin reduces hypoxic-ischemic brain injury in a neonatal mouse model. The pups were treated intraperitoneally immediately with adaptaquin after hypoxia-ischemia (HI...

journal_title：Journal of neurochemistry

authors： Li K,Li T,Wang Y,Xu Y,Zhang S,Culmsee C,Wang X,Zhu C

更新日期：2019-09-01 00:00:00

abstract：:We reported earlier that adenine nucleotides and adenosine inhibit acetylcholine-induced catecholamine secretion from bovine adrenal medulla chromaffin cells. In this article, we used an adenosine analogue, N6-L-phenylisopropyladenosine (PIA), to study the mechanism underlying inhibition of catecholamine secretion by ...

journal_title：Journal of neurochemistry

authors： Chern YJ,Bott M,Chu PJ,Lin YJ,Kao LS,Westhead EW

更新日期：1992-10-01 00:00:00

abstract：:The protein kinases and protein phosphatases that act on tyrosine hydroxylase in vivo have not been established. Bovine adrenal chromaffin cells were permeabilized with digitonin and incubated with [gamma-32P]ATP, in the presence or absence of 10 microM Ca2+, 1 microM cyclic AMP, 1 microM phorbol dibutyrate, or variou...

journal_title：Journal of neurochemistry

authors： Gonçalves CA,Hall A,Sim AT,Bunn SJ,Marley PD,Cheah TB,Dunkley PR

更新日期：1997-12-01 00:00:00

abstract：:The binding of [3H]5-hydroxytryptamine (5-HT, serotonin) to cerebellar membranes was examined after preincubation of [3H]5-HT in the presence or absence of ascorbate. The tissue preparation was identical in all experiments and consisted of rat cerebellar homogenates in Tris-HCl buffer with 0.1% ascorbate. Cerebellar m...

journal_title：Journal of neurochemistry

authors： Peroutka SJ,Ison PJ,Liu DU,Barrett RW

更新日期：1986-07-01 00:00:00

abstract：:The present experiments show that N-[3H]-methylcarbamylcholine ([3H]MCC) binds specifically and with high affinity to rat hippocampus, frontal cortex, and striatum. The highest maximal density of binding sites was apparent in frontal cortex and the lowest in hippocampus. [3H]MCC binding was potently inhibited by nicot...

journal_title：Journal of neurochemistry

authors： Araujo DM,Lapchak PA,Collier B,Quirion R

更新日期：1988-07-01 00:00:00

abstract：:De novo heterozygous mutations in the STX1B gene, encoding syntaxin 1B, cause a familial, fever-associated epilepsy syndrome. Syntaxin 1B is an essential component of the pre-synaptic neurotransmitter release machinery as a soluble N-ethylmaleimide-sensitive factor attachment protein receptor protein that regulates th...

journal_title：Journal of neurochemistry

authors： Mishima T,Fujiwara T,Kofuji T,Saito A,Terao Y,Akagawa K

更新日期：2020-08-28 00:00:00

abstract：:Excitotoxicity mediated by alpha-amino-3-hydroxy-5-methyl-4-isoxazole propionic acid (AMPA) receptors has been proposed to play a major role in the selective death of motor neurons in sporadic amyotrophic lateral sclerosis (ALS), and motor neurons are more vulnerable to AMPA receptor-mediated excitotoxicity than are o...

journal_title：Journal of neurochemistry

authors： Sun H,Kawahara Y,Ito K,Kanazawa I,Kwak S

更新日期：2006-08-01 00:00:00

abstract：:The nuclear factor 1 (NF-1) motifs, NF-1 II/III, In the two 98-bp repeats of the transcription-regulatory region of JC virus (JCV), have a critical role in brain-specific transcription from the JCV early promoter-enhancer. In this study, the role of these motifs in transactivation of the JCV late promoter-enhancer (JC...

journal_title：Journal of neurochemistry

authors： Kumar KU,Devireddy LR,Tang SC,Pater A,Pater MM

更新日期：1996-08-01 00:00:00

abstract：:In human fetal spinal cord (HFSC), six additional microtubule-associated protein-2 (MAP-2) transcripts are generated by alternative splicing of two recently described exons, exon 8 and exon 13. The following three translated proteins are detected by western blot analysis: MAP-2b expressing exon 8 (MAP-2b + 8; MAP-2a),...

journal_title：Journal of neurochemistry

authors： Kalcheva N,Weidenheim KM,Kress Y,Shafit-Zagardo B

更新日期：1997-01-01 00:00:00

abstract：:GABAA receptors are activated via low-affinity binding sites for the agonists GABA or muscimol. Evidence has been provided that the amino acid residue alpha 1F64 located at the beta2(+)/alpha1(-) subunit interface forms part of this binding site. In radioactive ligand binding studies the agonist [3H]muscimol has been ...

journal_title：Journal of neurochemistry

authors： Baur R,Sigel E

更新日期：2003-10-01 00:00:00

abstract：:L-Aspartate N-acetyltransferase, a nervous system enzyme that mediates the synthesis of N-acetyl-L-aspartic acid, has been characterized. In the presence of acetyl-CoA, L-aspartate was acetylated 10-fold more efficiently than L-glutamate, and the acetylation of aspartylglutamate was not detectable. Within the nervous ...

journal_title：Journal of neurochemistry

authors： Truckenmiller ME,Namboodiri MA,Brownstein MJ,Neale JH

更新日期：1985-11-01 00:00:00

abstract：:Proper brain function in the nervous system relies on the accurate establishment of synaptic contacts during development. Countless synapses populate the adult brain in an orderly fashion. In each synapse, a presynaptic terminal loaded with neurotransmitters-containing synaptic vesicles is perfectly aligned to an arra...

journal_title：Journal of neurochemistry

authors： Pinto MJ,Almeida RD

更新日期：2016-12-01 00:00:00

abstract：:PEA-15 has recently been identified as a major phosphoprotein in astrocytes and an endogenous substrate for protein kinase C. This 15-kDa protein exists under three molecular forms, an unphosphorylated form, N, and two phosphorylated forms, Pa and Pb. Antisera were raised against synthetic peptides corresponding to th...

journal_title：Journal of neurochemistry

authors： Danziger N,Yokoyama M,Jay T,Cordier J,Glowinski J,Chneiweiss H

更新日期：1995-03-01 00:00:00

abstract：:The recycling of synaptic vesicle (SV) proteins and transmitter release occur at multiple sites along the axon. These processes are sensitive to inhibition of the small GTP binding protein ARF1, which regulates the adaptor protein 1 and 3 complex (AP-1/AP-3). As the axon matures, SV recycling becomes restricted to the...

journal_title：Journal of neurochemistry

authors： Rampérez A,Sánchez-Prieto J,Torres M

更新日期：2017-06-01 00:00:00

abstract：:Abnormalities in the kynurenine pathway may play a role in Huntington's disease (HD). In this study, tryptophan depletion and loading were used to investigate changes in blood kynurenine pathway metabolites, as well as markers of inflammation and oxidative stress in HD patients and healthy controls. Results showed tha...

journal_title：Journal of neurochemistry

authors： Stoy N,Mackay GM,Forrest CM,Christofides J,Egerton M,Stone TW,Darlington LG

更新日期：2005-05-01 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：:A sustained increase in the brain concentrations of neuroactive steroids was previously shown to induce Y1 receptor gene expression in the amygdala of Y1R/LacZ transgenic mice which harbour a construct comprising the murine Y1 receptor gene promoter and the lacZ reporter gene. We now investigated the effects of restra...

journal_title：Journal of neurochemistry

authors： Mele P,Oberto A,Serra M,Pisu MG,Floris I,Biggio G,Eva C

更新日期：2004-06-01 00:00:00

abstract：:We designed as candidate metabolites and synthesized two 1-benzyl-1,2,3,4-tetrahydroisoquinoline derivatives containing a dopamine moiety: 1-(3',4'-dihydroxybenzyl)-1,2,3,4-tetrahydroisoquinoline (3',4'DHBnTIQ) and 1-benzyl-6,7-dihydroxy-1,2,3,4-tetrahydroisoquinoline (6,7DHBnTIQ). Both were detected in mouse brain as...

journal_title：Journal of neurochemistry

authors： Kawai H,Makino Y,Hirobe M,Ohta S

更新日期：1998-02-01 00:00:00