Cell entry strategy of clostridial neurotoxins.

abstract：:The effects of acute and chronic administration of buspirone, a serotonin 5-HT1A agonist, on the 5-HT synthesis rates in various rat brain structures were investigated using alpha-[14C]methyl-L-tryptophan (alpha-[14C]MTrp) and an autoradiographic method. In the acute treatment study, buspirone (10 mg/kg) was injected ...

journal_title：Journal of neurochemistry

authors： Okazawa H,Yamane F,Blier P,Diksic M

更新日期：1999-05-01 00:00:00

abstract：:Recently, a tyrosine hydroxylase (TH)-expressing CNS-derived cell line, CAD, was obtained that is capable of undergoing reversible morphological differentiation. The isolation of the CAD line allowed us to ask whether different DNA regulatory elements direct TH transcription when cells are growing and undifferentiated...

journal_title：Journal of neurochemistry

authors： Lazaroff M,Qi Y,Chikaraishi DM

更新日期：1998-07-01 00:00:00

abstract：:Here, we explore the mechanism of action of isoxylitone (ISOX), a molecule discovered in the plant Delphinium denudatum, which has been shown to have anticonvulsant properties. Patch-clamp electrophysiology assayed the activity of ISOX on voltage-gated sodium channels (VGSCs) in both cultured neurons and brain slices ...

journal_title：Journal of neurochemistry

authors： Ashraf MN,Gavrilovici C,Shah SU,Shaheen F,Choudhary MI,Rahman AU,Fahnestock M,Simjee SU,Poulter MO

更新日期：2013-09-01 00:00:00

abstract：:The hph-1 mouse is characterized by low levels of GTP cyclohydrolase I (GTPCH) and tetrahydrobiopterin. A quantitative double-label in situ hybridization technique was used to examine CNS GTPCH mRNA expression within serotonin, dopamine, and norepinephrine neurons of male and female wild-type and hph-1 mice. In wild-t...

journal_title：Journal of neurochemistry

authors： Shimoji M,Hirayama K,Hyland K,Kapatos G

更新日期：1999-02-01 00:00:00

abstract：:One of the most striking features of neurons in the mature peripheral nervous system is their ability to survive and to regenerate their axons following axonal injury. To perform a comprehensive survey of the molecular mechanisms that underlie peripheral nerve regeneration, we analyzed a cDNA library derived from the ...

journal_title：Journal of neurochemistry

authors： Kubo T,Yamashita T,Yamaguchi A,Hosokawa K,Tohyama M

更新日期：2002-09-01 00:00:00

abstract：:Astrocytic glutamate transporter-1 (GLT-1) is responsible for 90% of forebrain glutamate uptake in the adult CNS. Retinoic acid (RA) is a potent regulator of neural cell differentiation and neuronal maturation in the developing CNS through activation of RA receptors/retinoic X receptors (RXRs) or non-genomic mechanism...

journal_title：Journal of neurochemistry

authors： Chan TJ,Her LS,Liaw HJ,Chen MC,Tzeng SF

更新日期：2012-05-01 00:00:00

abstract：:Tryptic digestion of tyrosine hydroxylase (TH) isolated from rat adrenal glands labeled with 32Pi produced five phosphopeptides. Based on the correspondence of these phosphopeptides with those identified in TH from rat pheochromocytoma cells, four phosphorylation sites (Ser8, Ser19, Ser31, and Ser40) were inferred. Fi...

journal_title：Journal of neurochemistry

authors： Haycock JW,Wakade AR

更新日期：1992-01-01 00:00:00

abstract：:We have examined cyclic GMP concentrations, guanylate cyclase activities, and cyclic GMP phosphodiesterase (PDE) activities in developing retinas of congenic mice with different allelic combinations at the retinal degeneration (rd) and retinal degeneration slow (rds) loci. Although guanylate cyclase activities were fo...

journal_title：Journal of neurochemistry

authors： Fletcher RT,Sanyal S,Krishna G,Aguirre G,Chader GJ

更新日期：1986-04-01 00:00:00

abstract：:The tracers 6-[18F]fluoro-L-3,4-dihydroxyphenylalanine (6-[18F]fluoro-L-DOPA) and L-[14C]DOPA were injected simultaneously into rhesus monkeys, and the time course of their metabolites was measured in the striatum and in the occipital and frontal cortices. In the striatum, 6-[18F]fluoro-L-DOPA was metabolized to 6-[18...

journal_title：Journal of neurochemistry

authors： Firnau G,Sood S,Chirakal R,Nahmias C,Garnett ES

更新日期：1987-04-01 00:00:00

abstract：:Most ingested ethanol is metabolized in the liver to acetaldehyde and then to acetate, which can be oxidized by the brain. This project assessed whether chronic exposure to alcohol can increase cerebral oxidation of acetate. Through metabolism, acetate may contribute to long-term adaptation to drinking. Two groups of ...

journal_title：Journal of neurochemistry

authors： Wang J,Du H,Ma X,Pittman B,Castracane L,Li TK,Behar KL,Mason GF

更新日期：2013-11-01 00:00:00

abstract：:Rat brain benzodiazepine receptors have been solubilized by means of the zwitterionic detergent CHAPS under conditions in which the GABA stimulation of [3H]flunitrazepam binding to the benzodiazepine receptors is maintained intact. This stimulation is partially or totally abolished when using other conventional deterg...

journal_title：Journal of neurochemistry

authors： Mernoff ST,Cherwinski HM,Becker JW,de Blas AL

更新日期：1983-09-01 00:00:00

abstract：:The tyrosine kinase receptors for the neurotrophins (Trk) are a family of transmembrane receptors that regulate the differentiation and survival of different neuronal populations. Neurotrophin binding to Trk leads to the activation of several signalling pathways including a rapid, but moderate, increase in intracellul...

journal_title：Journal of neurochemistry

authors： Llovera M,de Pablo Y,Egea J,Encinas M,Peiró S,Martín-Zanca D,Rocamora N,Comella JX

更新日期：2004-01-01 00:00:00

abstract：:Excess copper exposure is thought to be linked to the development of Alzheimer's disease (AD) neuropathology. However, the mechanism by which copper affects the CNS remains unclear. To investigate the effect of chronic copper exposure on both beta-amyloid and tau pathologies, we treated young triple transgenic (3xTg-A...

journal_title：Journal of neurochemistry

authors： Kitazawa M,Cheng D,Laferla FM

更新日期：2009-03-01 00:00:00

abstract：:There is ample evidence that both acid (ASMase) and neutral (NSMase) sphingomyelinases play a role in cell death so inhibitors of either enzyme could have significant value as protectors against neurodegeneration. We used a fluorogenic sphingomyelinase substrate, 6-hexadecanoylamino-4-methylumbelliferyl-phosphorylchol...

journal_title：Journal of neurochemistry

authors： Testai FD,Landek MA,Goswami R,Ahmed M,Dawson G

更新日期：2004-05-01 00:00:00

abstract：:Apoptotic cell death has recently been implicated in diseases involving nonproliferating, terminally differentiated cells such as neurons. Previous experiments have documented that immunoglobulins from patients with amyotrophic lateral sclerosis (ALS) can kill motoneuron-neuroblastoma hybrid cells [ventral spinal cord...

journal_title：Journal of neurochemistry

authors： Alexianu ME,Mohamed AH,Smith RG,Colom LV,Appel SH

更新日期：1994-12-01 00:00:00

abstract：:Previous work from this laboratory has shown that in PC12 cells the phosphorylation of a specific soluble protein is decreased by nerve growth factor treatment. The protein, designated Nsp100, and its kinase have been separated and partially purified from PC12 cells. In the present work, the tissue distribution of Nsp...

journal_title：Journal of neurochemistry

authors： Hama T,Guroff G

更新日期：1985-10-01 00:00:00

abstract：:The effects of temperature on the interaction of various ligands with the benzodiazepine receptor were studied in rat brain membrane preparations. The affinities of all ligands studied were reduced on raising the temperature from 4 to 37 degrees C. The variation of affinity constant with temperature deviated from the ...

journal_title：Journal of neurochemistry

authors： Doble A

更新日期：1983-06-01 00:00:00

abstract：:Leptinotoxin-h (LPTx), a neurotoxin (otherwise designated beta-leptinotarsin-h) known to stimulate the release of neurotransmitters from synapses, was purified from the hemolymph of the potato beetle, Leptinotarsa haldemani, by a simplification of the procedure originally developed by Crosland et al. [Biochemistry 23,...

journal_title：Journal of neurochemistry

authors： Madeddu L,Pozzan T,Robello M,Rolandi R,Hsiao TH,Meldolesi J

更新日期：1985-12-01 00:00:00

abstract：:cDNAs have been cloned that encode the chicken (Gallus domesticus) gamma-aminobutyric acidA receptor gamma 1 subunit, the mature sequence of which shares 90, 79, and 69% identity with those of the rat gamma 1, gamma 2, and gamma 3 subunits, respectively. In situ hybridization reveals that there are pronounced differen...

journal_title：Journal of neurochemistry

authors： Glencorse TA,Darlison MG,Barnard EA,Bateson AN

更新日期：1993-12-01 00:00:00

abstract：:The kinetics of the reactions of nine opioid peptides with the neutral endopeptidase ("enkephalinase") activities of human kidney, rat kidney, and rat brain have been determined. These opioid peptides can be divided into two classes, those that are good inhibitors of Leu5-enkephalin hydrolysis (Ki less than 75 microM)...

journal_title：Journal of neurochemistry

authors： Hersh LB

更新日期：1984-08-01 00:00:00

abstract：:Published evidence has linked glutamate with the pathogenesis of Alzheimer's disease (AD) and the up-regulation of a variety of chemokines, including monocyte chemotactic protein-1 (MCP-1)/chemokine ligand 2, with AD-associated pathological changes. In this study, we assessed the potential molecular basis for the role...

journal_title：Journal of neurochemistry

authors： Lee EO,Park HJ,Kang JL,Kim HS,Chong YH

更新日期：2010-03-01 00:00:00

abstract：:Using tritium-labelled 4,5,6,7-tetrahydroisoxazolo[4,5-c]pyridin-3-ol (THPO) its tissue distribution and metabolism were investigated in adult mice and 4-day-old chicks after systemic administration of the drug. It was found not to be significantly metabolized in the brain since metabolites of THPO corresponding to on...

journal_title：Journal of neurochemistry

authors： Schousboe A,Hjeds H,Engler J,Krogsgaard-Larsen P,Wood JD

更新日期：1986-09-01 00:00:00

abstract：:Obesity is a worldwide health problem that urgently needs to be solved. Leptin is an anti-obesity hormone that activates satiety signals to the brain. Evidence to suggest that leptin resistance is involved in the development of obesity is increasing; however, the molecular mechanisms involved remain unclear. We herein...

journal_title：Journal of neurochemistry

authors： Hosoi T,Matsuzaki S,Miyahara T,Shimizu K,Hasegawa Y,Ozawa K

更新日期：2015-05-01 00:00:00

abstract：:We have previously shown that in cell extracts from rat striatum, cyclic AMP response element (CRE) binding protein (CREB), rather than AP-1 proteins, preferentially interacts with the CRE-2 element of the proenkephalin second messenger-inducible enhancer, even under conditions in which AP-1 proteins are highly induce...

journal_title：Journal of neurochemistry

authors： Konradi C,Cole RL,Green D,Senatus P,Leveque JC,Pollack AE,Grossbard SJ,Hyman SE

更新日期：1995-09-01 00:00:00

abstract：:We addressed the balance between thrombin and its serpin protease nexin I (PNI) after sciatic nerve injury in the mouse. Prothrombin levels increased twofold 24 h after nerve crush, as measured by a specific chromogenic assay, and peaked at day 3. Thrombin activity also increased 2-4 days after injury in distal sciati...

journal_title：Journal of neurochemistry

authors： Smirnova IV,Ma JY,Citron BA,Ratzlaff KT,Gregory EJ,Akaaboune M,Festoff BW

更新日期：1996-11-01 00:00:00

abstract：:Exposure of neurones in culture to excitotoxic levels of glutamate results in an initial transient spike in [Ca2+]i followed by a delayed, irreversible [Ca2+]i rise governed by rapid kinetics, with Ca2+ originating from the extracellular medium. The molecular mechanism responsible for the secondary Ca2+ rise is unknow...

journal_title：Journal of neurochemistry

authors： Chinopoulos C,Gerencser AA,Doczi J,Fiskum G,Adam-Vizi V

更新日期：2004-10-01 00:00:00

abstract：:In Alzheimer's disease, the neuritic or senile amyloid plaques in hippocampus and association cortex, the diffuse plaques in brain areas such as the cerebellum and sensorimotor cortex, and the amyloid deposits in the walls of pial and parenchymal blood vessels are mainly composed of amyloid beta-peptides. In the prese...

journal_title：Journal of neurochemistry

authors： Ghersi-Egea JF,Gorevic PD,Ghiso J,Frangione B,Patlak CS,Fenstermacher JD

更新日期：1996-08-01 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：:Vitamin A metabolite retinoic acid (RA) plays a major role in the aging adult brain plasticity. Conversely, chronic excess of glucocorticoids (GC) elicits some deleterious effects in the hippocampus. We questioned here the involvement of RA and GC in the expression of target proteins in hippocampal neurons. We investi...

journal_title：Journal of neurochemistry

authors： Brossaud J,Roumes H,Moisan MP,Pallet V,Redonnet A,Corcuff JB

更新日期：2013-05-01 00:00:00

abstract：:Potassium-induced depolarization of synaptoneurosomes prepared from rat telencephalon was found to increase [3H]amino-3-hydroxy-5-methylisoxazole-4-propionate ([3H]AMPA) binding to the AMPA receptor. The effect required the presence of calcium because it was blocked by the calcium chelator EGTA but was not blocked by ...

journal_title：Journal of neurochemistry

authors： Bernard J,Massicotte G,Baudry M

更新日期：1992-01-01 00:00:00