Gene-environment interactions in sporadic Parkinson's disease.

abstract：:The synaptosomal metabolism of glutamine was studied under in vitro conditions that simulate depolarization in vivo. With [2-15N]glutamine as precursor, the [glutamine]i was diminished in the presence of veratridine or 50 mM KCl, but the total amounts of [15N]glutamate and [15N]aspartate formed were either equal to th...

journal_title：Journal of neurochemistry

authors： Erecińska M,Zaleska MM,Nelson D,Nissim I,Yudkoff M

更新日期：1990-06-01 00:00:00

abstract：:The role of neuroactive steroids and GABA(A) receptors in the generation of spontaneous spike-and-wave discharges (SWDs) was investigated in the WAG/Rij rat model of absence epilepsy. The plasma, cerebrocortical, and thalamic concentrations of the progesterone metabolite 3alpha-hydroxy-5alpha-pregnan-20-one (3alpha,5a...

journal_title：Journal of neurochemistry

authors： Pisu MG,Mostallino MC,Dore R,Mura ML,Maciocco E,Russo E,De Sarro G,Serra M

更新日期：2008-09-01 00:00:00

abstract：:Both adenosine and interleukin-6 (IL-6) have been implicated in the pathophysiology of, e.g., epileptic seizures, traumatic brain injury, and affective disorders. Stimulation of adenosine A2B receptors on astrocytes in vitro leads to the increased synthesis and secretion of IL-6. We investigated whether or not activat...

journal_title：Journal of neurochemistry

authors： Vazquez JF,Clement HW,Sommer O,Schulz E,van Calker D

更新日期：2008-05-01 00:00:00

abstract：:Cyclic AMP phosphodiesterase activity in bovine brain coated vesicles displayed a Km of approximately 22 microM for cyclic AMP, a Vmax of 3.2 nmol/min/mg protein, and a Hill coefficient of 1.5, suggesting positive cooperativity. The enzyme activity was stimulated by cyclic GMP with maximal indexes of stimulation rangi...

journal_title：Journal of neurochemistry

authors： Silva WI,Schook W,Mittag TW,Puszkin S

更新日期：1986-04-01 00:00:00

abstract：:To evaluate the role of various growth factors in naturally occurring cell death during development of the neural retina, we examined the effects of such factors on the nuclear morphology and the size of DNA in cultured chick embryonic neural retina cells. Basic fibroblast growth factor (bFGF) increased internucleosom...

journal_title：Journal of neurochemistry

authors： Yokoyama Y,Ozawa S,Seyama Y,Namiki H,Hayashi Y,Kaji K,Shirama K,Shioda M,Kano K

更新日期：1997-05-01 00:00:00

abstract：:A contribution of α-Synuclein (α-Syn) to etiology of Parkinson´s disease (PD) and Dementia with Lewy bodies (DLB) is currently undisputed, while the impact of the closely related β-Synuclein (β-Syn) on these disorders remains enigmatic. β-Syn has long been considered to be an attenuator of the neurotoxic effects of α-...

journal_title：Journal of neurochemistry

authors： Raina A,Leite K,Guerin S,Mahajani SU,Chakrabarti KS,Voll D,Becker S,Griesinger C,Bähr M,Kügler S

更新日期：2020-07-30 00:00:00

abstract：:Nitric oxide (NO) has been implicated in both the pathogenesis of and protection from NMDA receptor-mediated neuronal injury. This apparent paradox has been attributed to alternate redox states of nitrogen monoxide, whereby, depending on the redox milieu, nitrogen monoxide can be neuroprotective via nitrosation chemis...

journal_title：Journal of neurochemistry

authors： Vidwans AS,Kim S,Coffin DO,Wink DA,Hewett SJ

更新日期：1999-05-01 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

abstract：:Glutamate receptors belonging to the subclass specifically activated by alpha-amino-3-hydroxy-5-methylisoxazole-4-propionic acid (AMPA) were solubilized from rat forebrain membranes with Triton X-100 and partially purified through a series of three chromatographic steps. Specific [3H]AMPA binding increased 30-60-fold ...

journal_title：Journal of neurochemistry

authors： Bahr BA,Vodyanoy V,Hall RA,Suppiramaniam V,Kessler M,Sumikawa K,Lynch G

更新日期：1992-11-01 00:00:00

abstract：:Exogenously added sialyl cholesterol (SC) induced neuritogenesis and accumulated in the nuclear fraction of a mouse neuroblastoma cell line, Neuro2a, as reported elsewhere. To clarify the significance of nuclear SC, we examined the structure of chromatin and its transcriptional level. The chromatin of SC-treated cells...

journal_title：Journal of neurochemistry

authors： Yamashita T,Tsuji S

更新日期：1992-04-01 00:00:00

abstract：:Alzheimer's disease (AD) is a neurodegenerative disorder that represents the most common type of dementia among elderly people. Amyloid beta (Aβ) peptides in extracellular Aβ plaques, produced from the amyloid precursor protein (APP) via sequential processing by β- and γ-secretases, impair hippocampal synaptic plastic...

journal_title：Journal of neurochemistry

authors： Kuwabara Y,Ishizeki M,Watamura N,Toba J,Yoshii A,Inoue T,Ohshima T

更新日期：2014-08-01 00:00:00

abstract：:The binding of [125I]beta h-endorphin to rat brain membranes was investigated in the presence of GTP and guanylyl-5'-imidodiphosphate. In contrast to the binding of the mu-selective opioid agonist, [3H][D-Ala2,MePhe4,Glyol5]enkephalin, and the delta-selective opioid agonist, [3H][D-penicillamine2, D-penicillamine5]enk...

journal_title：Journal of neurochemistry

authors： Selley DE,Tyler CB,Bidlack JM

更新日期：1988-06-01 00:00:00

abstract：:Somatostatin (SS) and neuropeptide Y (NPY) are coproduced in a subpopulation of neurons that are selectively resistant to NMDA neurotoxicity. We have previously reported that quinolinic acid (QUIN), an NMDA receptor agonist, augments SS mRNA in cultured fetal rat cortical neurons. This study examines coregulation of S...

journal_title：Journal of neurochemistry

authors： Patel YC,Liu JL,Warszynska A,Kent G,Papachristou DN,Patel SC

更新日期：1995-09-01 00:00:00

abstract：:Dopaminergic neurons in cultures of dissociated cells from fetal rat mesencephalon were exposed to the principal metabolite of the neurotoxin 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP), 1-methyl-4-phenyl-pyridinium ion (MPP+), and several of its structural analogues. At concentrations between 0.01 and 0.1 mic...

journal_title：Journal of neurochemistry

authors： Sanchez-Ramos JR,Michel P,Weiner WJ,Hefti F

更新日期：1988-06-01 00:00:00

abstract：:Female mice are more susceptible to apolipoprotein E (apoE4)-induced cognitive deficits than male mice. These deficits can be antagonized by stimulating androgen receptors (ARs). To determine the role of AR in the cognitive effects of apoE4, we backcrossed mutant mice with a naturally occurring defect in the AR [testi...

journal_title：Journal of neurochemistry

authors： Rizk-Jackson A,Robertson J,Raber J

更新日期：2008-04-01 00:00:00

abstract：:35SO4-labeled fast-transported proteins of bullfrog dorsal root ganglion neurons were separated by two-dimensional gel electrophoresis, and their mobilities were compared to similar species labeled with [3H]mannose or [3H]fucose. Fluorography revealed regions of poorly resolved, high molecular weight material, likely ...

journal_title：Journal of neurochemistry

authors： Stone GC,Hammerschlag R,Bobinski JA

更新日期：1983-10-01 00:00:00

abstract：:Bradykinin, a mediator of inflammation, is produced in the brain during trauma and stroke. It is thought to open the blood-brain barrier, although the mechanism is unclear. We have investigated, therefore, the effect of bradykinin on the expression of interleukin-6 (IL-6), a putative modulator of the blood-brain barri...

journal_title：Journal of neurochemistry

authors： Schwaninger M,Sallmann S,Petersen N,Schneider A,Prinz S,Libermann TA,Spranger M

更新日期：1999-10-01 00:00:00

abstract：:Analysis of the initial rates of 45Ca2+ uptake by rat brain mitochondria in Ca2+-1,2-bis(o-aminophenoxy)ethane-N,N,N',N'-tetraacetic acid buffers indicated that nontelencephalic mitochondria exhibited both a much less pronounced stimulatory effect of spermine and significantly more hyperbolic kinetics of Ca2+ uptake t...

journal_title：Journal of neurochemistry

authors： Jensen JR,Lynch G,Baudry M

更新日期：1989-10-01 00:00:00

abstract：:The K+-stimulated efflux of endogenous taurine from primary rat cerebellar astrocyte cultures prepared from 7-9-day-old rats was studied at 16-18 days in vitro using HPLC analysis. Taurine efflux was dose-dependent at K+ concentrations between 10 mM and 80 mM, with an EC50 of approximately 50 mM. Maximum stimulation o...

journal_title：Journal of neurochemistry

authors： Philibert RA,Rogers KL,Allen AJ,Dutton GR

更新日期：1988-07-01 00:00:00

abstract：:A rapid and simple chromatographic procedure using HPLC with electrochemical detection is described for simultaneous determination of the substrates from precursor amino acids to metabolites related to synthesis and metabolism of three monoamine neurotransmitters--norepinephrine (NE), dopamine (DA), and 5-hydroxytrypt...

journal_title：Journal of neurochemistry

authors： Murai S,Saito H,Masuda Y,Itoh T

更新日期：1988-02-01 00:00:00

abstract：:Epinephrine (Epi) mediates various physiological effects via alpha2A-adrenergic receptors (alpha2A-ARs). Studies in mice with a point mutation in the gene for alpha2A-AR have shown that these receptors are responsible for the centrally mediated depressor effects of alpha2-AR agonists. These studies underscore the impo...

journal_title：Journal of neurochemistry

authors： Reutter MA,Richards EM,Sumners C

更新日期：1998-01-01 00:00:00

abstract：:Rat-1 fibroblasts were transduced to express Drosophila choline acetyltransferase. The presence of an active enzyme in these cells (Rat-1/dChAT) was confirmed using various methods. Rat-1/dChAT fibroblasts released acetylcholine (ACh) into the culture medium. Moreover, intra- and extracellular levels of ACh could be i...

journal_title：Journal of neurochemistry

authors： Schinstine M,Rosenberg MB,Routledge-Ward C,Friedmann T,Gage FH

更新日期：1992-06-01 00:00:00

abstract：:Prenatal and early postnatal periods are important for brain development and neural function. Neonatal insults such as hypoxia-ischemia (HI) causes prolonged neural and metabolic dysregulation, affecting central nervous system maturation. There is evidence that brain hypometabolism could increase the risk of adult-ons...

journal_title：Journal of neurochemistry

authors： Durán-Carabali LE,Kawa Odorcyk F,Greggio S,Teribele Venturin G,Farias Sanches E,Garcia Schu G,Soares Carvalho A,Avila Pedroso T,de Sá Couto-Pereira N,Costa da Costa J,Dalmaz C,Rigon Zimmer E,Netto CA

更新日期：2020-10-23 00:00:00

abstract：:Expression of the Ca(2+)-dependent phospholipids binding protein annexin A2 (ANX2) in the brain is thought to be largely associated with brain pathological conditions such as tumor, inflammation, and neurodegeneration. The recent findings that ANX2 heterotetramer is involved in learning and neuronal activities necessi...

journal_title：Journal of neurochemistry

authors： Zhao WQ,Lu B

更新日期：2007-03-01 00:00:00

abstract：:The lack of effective therapies for neurodegenerative disorders is one of the most relevant challenges of this century, considering that, as the global population ages, the incidence of these type of diseases is quickly on the rise. Among these disorders, synucleinopathies, which are characterized by the abnormal accu...

journal_title：Journal of neurochemistry

authors： Valera E,Masliah E

更新日期：2016-10-01 00:00:00

abstract：:The behavioral and functional significance of the extrasynaptic inhibitory GABA(A) receptors in the brain is still poorly known. We used a transgenic mouse line expressing the GABA(A) receptor alpha6 subunit gene in the forebrain under the Thy-1.2 promoter (Thy1alpha6) mice ectopically expressing alpha6 subunits espec...

journal_title：Journal of neurochemistry

authors： Saarelainen KS,Ranna M,Rabe H,Sinkkonen ST,Möykkynen T,Uusi-Oukari M,Linden AM,Lüddens H,Korpi ER

更新日期：2008-04-01 00:00:00

abstract：:We have previously shown that acrolein, a lipid peroxidation byproduct, is significantly increased following spinal cord injury in vivo, and that exposure to neuronal cells results in oxidative stress, mitochondrial dysfunction, increased membrane permeability, impaired axonal conductivity, and eventually cell death. ...

journal_title：Journal of neurochemistry

authors： Hamann K,Nehrt G,Ouyang H,Duerstock B,Shi R

更新日期：2008-02-01 00:00:00

abstract：:Phospholipase C gamma 1 (PLC-gamma 1) is involved at an early step in signal transduction of many hormones and growth factors and catalyzes the hydrolysis of phosphatidylinositol (PI) 4,5-bisphosphate to diacylglycerol and inositol trisphosphate, two potent intracellular second messenger molecules. The transformation ...

journal_title：Journal of neurochemistry

authors： Widmer HR,Kaplan DR,Rabin SJ,Beck KD,Hefti F,Knüsel B

更新日期：1993-06-01 00:00:00

abstract：:The effect of stress mediators following the stress period and addition time is a controversial issue until now. Thus, we aim to clarify the differential effects of single restraint stress (SS) or repeated restraint stress (RS) on kainic acid (KA)-induced neuronal death especially as addressing not only the role of gl...

journal_title：Journal of neurochemistry

authors： Kwon MS,Seo YJ,Choi SM,Choi HW,Jung JS,Park SH,Suh HW

更新日期：2007-11-01 00:00:00

abstract：:Most recent studies aimed at defining the cellular and molecular mechanisms of Pavlovian fear conditioning have focused on protein kinase signaling pathways and the transcription factor cAMP-response element binding protein (CREB) that promote fear memory consolidation in the lateral nucleus of the amygdala (LA). Desp...

journal_title：Journal of neurochemistry

authors： Ploski JE,Park KW,Ping J,Monsey MS,Schafe GE

更新日期：2010-02-01 00:00:00