Oral administration of Crataegus flavonoids protects against ischemia/reperfusion brain damage in gerbils.

abstract：:Histamine stimulated the enzymatic synthesis of phosphatidylcholine from phosphatidylethanolamine in crude synaptic membranes of rat brain containing the methyl donor S-adenosyl-L-methionine (SAM). In the presence of, but not in the absence of SAM, histamine increased cyclic AMP accumulation at the concentrations that...

journal_title：Journal of neurochemistry

authors： Ozawa K,Segawa T

更新日期：1988-05-01 00:00:00

abstract：:Math2 (NEX-1/NeuroD6) is a member of the basic helix-loop-helix transcription factor family and is involved in neuronal differentiation and maturation. In this study, we identified the genes targeted by Math2 using DNA microarrays and cultured rat cortical cells transfected with Math2. Of the genes regulated by Math2,...

journal_title：Journal of neurochemistry

authors： Yamada M,Shida Y,Takahashi K,Tanioka T,Nakano Y,Tobe T,Yamada M

更新日期：2008-09-01 00:00:00

abstract：:The in vivo biosynthesis of cholecystokinin (CCK) in subcortical regions of the rat brain was studied by intracisternal pulse injections of [35S]methionine. The rats were killed 1.0 or 1.5 h after the injection. Subcortical CCK extracted in boiling water and acetic acid was immunoabsorbed by an antiserum specific for ...

journal_title：Journal of neurochemistry

authors： Goltermann NR,Rehfeld JF,Petersen HR

更新日期：1980-08-01 00:00:00

abstract：:The rat adrenal hormone corticosterone binds to low and high affinity receptors, discretely localized in brain, including the dentate gyrus. Differential activation of the two receptor types under physiological conditions alters gene expression and functional characteristics of hippocampal neurones. In the present stu...

journal_title：Journal of neurochemistry

authors： Qin Y,Karst H,Joëls M

更新日期：2004-04-01 00:00:00

abstract：:Previous studies have shown that activation of the cyclic AMP (cAMP) pathway down-regulates CREB expression in CATH.a cells, an effect that appears to be mediated via inhibition of CREB gene transcription. In the current study, we compared this effect in CATH.a cells with regulation of CREB expression in another cell ...

journal_title：Journal of neurochemistry

authors： Coven E,Ni Y,Widnell KL,Chen J,Walker WH,Habener JF,Nestler EJ

更新日期：1998-11-01 00:00:00

abstract：:Myelin membrane synthesis in the CNS by oligodendrocytes (OLs) involves directed intracellular transport and targeting of copious amounts of specialized lipids and proteins over a relatively short time span. As in other plasma membrane-directed fusion, this process is expected to use specific trafficking and vesicle f...

journal_title：Journal of neurochemistry

authors： Madison DL,Krueger WH,Cheng D,Trapp BD,Pfeiffer SE

更新日期：1999-03-01 00:00:00

abstract：:We have introduced a series of point mutations into the human opioid receptor-like (ORL1) receptor and characterized them for their ability to constitutively activate G protein-coupled receptor signalling pathways. Among the 12 mutants generated, mutation at Asn133 (N133W) gave increased basal signalling through three...

journal_title：Journal of neurochemistry

authors： Kam KW,New DC,Wong YH

更新日期：2002-12-01 00:00:00

abstract：:Circulating microRNAs (miRNAs) have emerged as diagnostic and prognostic biomarkers for traumatic brain injury (TBI). However, a comprehensive characterization of the serum miRNA profile in patients with TBI and the roles of these potential markers in neuronal regulation have rarely been reported. In this study, the l...

journal_title：Journal of neurochemistry

authors： Yan J,Bu X,Li Z,Wu J,Wang C,Li D,Song J,Wang J

更新日期：2019-07-01 00:00:00

abstract：:Extracts of rat tissues were subjected to ultracentrifugation on linear density gradients of sucrose (5-20%) and fractions of these gradients were analyzed for acetylcholinesterase (AChE) activity. Most of the AChE activity in extracts of vagus nerve was found to sediment at 10S. However, 16S AChE, previously thought ...

journal_title：Journal of neurochemistry

authors： Skau KA,Brimijoin S

更新日期：1980-11-01 00:00:00

abstract：:In the central nervous system, astrocytes extend endfoot processes to ensheath synapses and microvessels. However, the mechanisms underlying this astrocytic process extension remain unclear. A limitation of the use of 2D cultured astrocytes for such studies is that they display a flat, epithelioid morphology, with no ...

journal_title：Journal of neurochemistry

authors： Sato J,Horibe S,Kawauchi S,Sasaki N,Hirata KI,Rikitake Y

更新日期：2018-11-01 00:00:00

abstract：:The histamine H1 receptor binding capacity of the amygdalas of amygdaloid kindled rats was studied. In the kindled nonstimulated amygdala, significant decreases in K(D) and B(max) values compared with those of control amygdala were found 1 week after the last kindled seizure. One month after the last kindled seizure, ...

journal_title：Journal of neurochemistry

authors： Toyota H,Ito C,Yanai K,Sato M,Watanabe T

更新日期：1999-05-01 00:00:00

abstract：:Agonist activation of the delta-opioid receptor leads to internalization via G betagamma recruitment of G protein coupled receptor kinase-2, which phosphorylates the receptor at several sites, including Ser363, allowing beta-arrestin binding and localization to clathrin coated pits. Using human embryonic kidney cells ...

journal_title：Journal of neurochemistry

authors： Bradbury FA,Zelnik JC,Traynor JR

更新日期：2009-06-01 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：:We used both the polymerase chain reaction (PCR) and in situ hybridization to search for the presence of proteolipid protein (PLP) gene transcripts in the developing mouse. Total brain RNA extracted from 13-19-day embryos, analyzed by PCR, demonstrated the presence of a single transcript that was unambiguously identif...

journal_title：Journal of neurochemistry

authors： Timsit SG,Bally-Cuif L,Colman DR,Zalc B

更新日期：1992-03-01 00:00:00

abstract：:Highly purified noradrenergic, large, dense-cored vesicles were isolated from bovine sympathetic nerve endings by sucrose-D2O density gradient centrifugation. Their concentration of glycoprotein hexosamine and sialic acid was 6.6 and 3.9 mumol/100 mg lipid-free dry weight, respectively, values which are similar to tho...

journal_title：Journal of neurochemistry

authors： Margolis RU,Ledeen RW,Sbaschnig-Agler M,Byrne MC,Klein RL,Douglas BH 2nd,Margolis RK

更新日期：1987-12-01 00:00:00

abstract：:Our interest in investigating the presynaptic modulation of acetylcholine release led to the development of a synaptosomal preparation from the guinea pig ileum myenteric plexus-longitudinal muscle. A crude synaptosomal fraction (P2) was obtained by homogenization and differential centrifugation. The preparation exhib...

journal_title：Journal of neurochemistry

authors： Briggs CA,Cooper JR

更新日期：1981-03-01 00:00:00

abstract：:Malonaldehyde formation by cortical brain slices from rat brain was determined as a function of incubation time and of oxygen pressure. This substance, a byproduce of lipid peroxidation, was detected by the thiobarbituric acid test. Significant amounts of malonaldehyde were formed by brain slices during incubation in ...

journal_title：Journal of neurochemistry

authors： Kovachich GB,Mishra OP

更新日期：1980-12-01 00:00:00

abstract：:The olfactory bulb (OB) contains the highest concentration of the insulin receptor (IR) kinase in the central nervous system; however, its functional role and modulation in this region remains poorly understood. IR kinase contains a number of proline-rich motifs, making it an excellent candidate for modulation by SH(3...

journal_title：Journal of neurochemistry

authors： Marks DR,Fadool DA

更新日期：2007-11-01 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：:This study describes the effect of signalling through muscarinic acetylcholine receptors on two transcription factors implicated in long-term synaptic plasticity and memory formation, EGR1 and the cyclic AMP response element binding protein (CREB). In SK-N-SH neuroblastoma cells, treatment with the cholinergic agonist...

journal_title：Journal of neurochemistry

authors： Greenwood JM,Dragunow M

更新日期：2002-07-01 00:00:00

abstract：:Tan-67 is a selective non-peptidic δ-opioid receptor (DOR) agonist that confers neuroprotection against cerebral ischemia/reperfusion (I/R)-caused neuronal injury in pre-treated animals. In this study, we examined whether post-ischemic administration of Tan-67 in stroke mice is also neuroprotective and whether the tre...

journal_title：Journal of neurochemistry

authors： Min JW,Liu Y,Wang D,Qiao F,Wang H

更新日期：2018-02-01 00:00:00

abstract：:We studied whether microtubule organization is important for actions of ethanol on GABAA ergic responses by testing the effects of microtubule depolymerization on ethanol enhancement of GABA action in mouse L(tk-) cells stably transfected with GABAA receptor alpha 1 beta 1 gamma 2L subunits. The microtubule-disrupting...

journal_title：Journal of neurochemistry

authors： Whatley VJ,Brozowski SJ,Hadingham KL,Whiting PJ,Harris RA

更新日期：1996-03-01 00:00:00

abstract：:A loss of balance between excitatory and inhibitory signaling leads to excitoxicity, and contributes to ischemic cell death. Reduced synaptic inhibition as a result of dysfunction of the ionotropic GABAA receptor has been suggested as one of the major causes for this imbalance, although the underlying mechanisms remai...

journal_title：Journal of neurochemistry

authors： Mielke JG,Wang YT

更新日期：2005-01-01 00:00:00

abstract：:Neuron-secreted factors induce astrocytic expression of the glutamate transporter, GLT-1 (excitatory amino acid transporter 2). In addition to their elaborate anatomic relationships with neurons, astrocytes also have processes that extend to and envelop the vasculature. Although previous studies have demonstrated that...

journal_title：Journal of neurochemistry

authors： Lee ML,Martinez-Lozada Z,Krizman EN,Robinson MB

更新日期：2017-12-01 00:00:00

abstract：:An adrenomedullary protease capable of generating Met5-enkephalin from endogenous precursor(s) has been purified 1,000-fold using affinity chromatography in combination with gel filtration. This trypsin-like enzyme has an apparent molecular weight of 20,000 daltons by gel filtration. The reactivity of the enzyme towar...

journal_title：Journal of neurochemistry

authors： Lindberg I,Yang HY,Costa E

更新日期：1984-05-01 00:00:00

abstract：:The loss of ATP, which is needed for ionic homeostasis, is an early event in the neurotoxicity of glutamate and beta-amyloid (A(beta)). We hypothesize that cells supplemented with the precursor creatine make more phosphocreatine (PCr) and create larger energy reserves with consequent neuroprotection against stressors....

journal_title：Journal of neurochemistry

authors： Brewer GJ,Wallimann TW

更新日期：2000-05-01 00:00:00

abstract：:Stroke patients have a high risk of vascular recurrence. Biomarkers related to vascular recurrence, however, remain to be identified. The aim of the study was to identify, through proteomic analysis, plasma biomarkers associated with vascular recurrence within one year after the first ischemic stroke. This is a substu...

journal_title：Journal of neurochemistry

authors： López-Farré AJ,Zamorano-León JJ,Segura A,Mateos-Cáceres PJ,Modrego J,Rodríguez-Sierra P,Calatrava L,Tamargo J,Macaya C

更新日期：2012-04-01 00:00:00

abstract：:Melanocortin-4 receptors (MC4 R) are unique among G-protein-coupled receptors (GPCRs) as they have endogenous ligands that can exhibit inverse agonistic properties in the case of elevated basal activity. It is known that the constitutive activity of GPCRs strongly affects the ligand-dependent physiological responses, ...

journal_title：Journal of neurochemistry

authors： Link R,Veiksina S,Tahk MJ,Laasfeld T,Paiste P,Kopanchuk S,Rinken A

更新日期：2020-05-01 00:00:00

abstract：:To test the hypothesis that neuroinflammation contributes to dopaminergic neuron death in the MPTP-lesioned mouse, we compared nigrostriatal degeneration in interleukin (IL)-6 (+/+) with IL-6 (-/-) mice. In the absence of IL-6, a single injection of MPTP (30 mg/kg) resulted in significantly greater striatal dopamine d...

journal_title：Journal of neurochemistry

authors： Bolin LM,Strycharska-Orczyk I,Murray R,Langston JW,Di Monte D

更新日期：2002-10-01 00:00:00

abstract：:Neurodegenerative diseases such as Alzheimer's disease (AD) are characterized by an abnormal aggregation of misfolded beta-sheet rich proteins such as β-amyloid (Aβ). Various ubiquitously expressed molecular chaperones control the correct folding of cellular proteins and prevent the accumulation of harmful species. We...

journal_title：Journal of neurochemistry

authors： Hoshino A,Helwig M,Rezaei S,Berridge C,Eriksen JL,Lindberg I

更新日期：2014-02-01 00:00:00