Abstract:
:High levels of resistance to spinosad, a macrocyclic lactone insecticide, have been reported previously in western flower thrips, Frankliniella occidentalis, an economically important insect pest of vegetables, fruit and ornamental crops. We have cloned the nicotinic acetylcholine receptor (nAChR) α6 subunit from F. occidentalis (Foα6) and compared the nucleotide sequence of Foα6 from susceptible and spinosad-resistant insect populations (MLFOM and R1S respectively). A single nucleotide change has been identified in Foα6, resulting in the replacement of a glycine (G) residue in susceptible insects with a glutamic acid (E) in resistant insects. The resistance-associated mutation (G275E) is predicted to lie at the top of the third α-helical transmembrane domain of Foα6. Although there is no direct evidence identifying the location of the spinosad binding site, the analogous amino acid in the C. elegans glutamate-gated chloride channel lies in close proximity (4.4 Å) to the known binding site of ivermectin, another macrocyclic lactone pesticide. The functional consequences of the resistance-associated mutation have been examined in the human nAChR α7 subunit. Introduction of an analogous (A272E) mutation in α7 abolishes the modulatory effects of spinosad whilst having no significant effect upon activation by acetylcholine, consistent with spinosad having an allosteric mechanism of action.
journal_name
J Neurochemjournal_title
Journal of neurochemistryauthors
Puinean AM,Lansdell SJ,Collins T,Bielza P,Millar NSdoi
10.1111/jnc.12029subject
Has Abstractpub_date
2013-03-01 00:00:00pages
590-601issue
5eissn
0022-3042issn
1471-4159journal_volume
124pub_type
杂志文章abstract::Properties so far studied of the 125-kDa 14C-arginylated protein from rat brain show remarkable similarities with those of the STOP (stable tubule only polypeptide) protein. On sodium dodecyl sulfate-polyacrylamide gel electrophoresis the 125-kDa 14C-arginylated protein moves to the same position as the STOP protein. ...
journal_title:Journal of neurochemistry
pub_type: 杂志文章
doi:10.1046/j.1471-4159.1994.63062295.x
更新日期:1994-12-01 00:00:00
abstract::A simple and rapid method for preparation of enriched neurofilament protein from mammalian peripheral nerve or spinal cord is described. Tissue extracts from guinea pig nerve or spinal cord are fractionated by ammonium sulfate fractionation, chromatography on Sepharofe 4B, and precipitation with ethanol. Molecular exc...
journal_title:Journal of neurochemistry
pub_type: 杂志文章
doi:10.1111/j.1471-4159.1980.tb09007.x
更新日期:1980-12-01 00:00:00
abstract::Rosiglitazone is a member of the thiazolidinedione family of synthetic peroxisome proliferator-activated receptor (PPAR) agonists. It is a selective ligand of the PPARgamma subtype and functions by regulating the transcription of insulin-responsive genes. A screen of FDA-approved compounds identified rosiglitazone as ...
journal_title:Journal of neurochemistry
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doi:10.1111/j.1471-4159.2009.05995.x
更新日期:2009-04-01 00:00:00
abstract::Kainate inhibits the exchange of D-aspartate into guinea-pig cerebrocortical synaptosomes. Kainate inhibits the Ca2+-independent efflux of endogenous glutamate in the presence of a trapping system for the released amino acid but potentiates a Ca2+-independent net efflux of endogenous and labelled glutamate and asparta...
journal_title:Journal of neurochemistry
pub_type: 杂志文章
doi:10.1111/j.1471-4159.1988.tb02977.x
更新日期:1988-03-01 00:00:00
abstract::The activation of the inflammatory/immunological response system is suggested to be related to the pathophysiology of schizophrenia. Aripiprazole is a novel atypical antipsychotic, which is a high-affinity dopamine D(2) receptor partial agonist. Atypical antipsychotics, all of which have dopamine D(2) receptor antagon...
journal_title:Journal of neurochemistry
pub_type: 杂志文章
doi:10.1111/j.1471-4159.2008.05435.x
更新日期:2008-07-01 00:00:00
abstract::Increased arachidonic acid release occurred during activation of catecholamine secretion from cultured bovine adrenal medullary chromaffin cells. The nicotinic agonist 1,1-dimethyl-4- phenylpiperazinium (DMPP) caused an increased release of preincubated [3H]arachidonic acid over a time course which corresponded to the...
journal_title:Journal of neurochemistry
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doi:10.1111/j.1471-4159.1984.tb06690.x
更新日期:1984-07-01 00:00:00
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journal_title:Journal of neurochemistry
pub_type: 杂志文章
doi:10.1046/j.1471-4159.2001.00064.x
更新日期:2001-02-01 00:00:00
abstract::Although alterations in serotonin levels and neurotransmission are associated with depressive disorders and effective antidepressant therapy, the exact cause of these disorders and the mode of action of antidepressant drugs are poorly understood. In a genetic rat model of depression [Flinders sensitive line (FSL) rats...
journal_title:Journal of neurochemistry
pub_type: 杂志文章
doi:10.1046/j.1471-4159.1997.69062477.x
更新日期:1997-12-01 00:00:00
abstract::Evidence that glucagon-like peptide-1 (GLP-1) (7-36) amide functions as a novel neuropeptide prompted us to study the gene expression of its receptor in rat brain. Northern blot analysis showed transcripts of similar size in RINm5F cells, hypothalamus, and brain-stem. First-strand cDNA was prepared by using RNA from h...
journal_title:Journal of neurochemistry
pub_type: 杂志文章
doi:10.1046/j.1471-4159.1996.66030920.x
更新日期:1996-03-01 00:00:00
abstract::The effects of a potent adenosine deaminase inhibitor, deoxycoformycin, on purine and amino acid neuro-transmitter release from the ischemic rat cerebral cortex were studied with the cortical cup technique. Cerebral ischemia (20 min) was elicited by four-vessel occlusion. Purine and amino acid releases were compared f...
journal_title:Journal of neurochemistry
pub_type: 杂志文章
doi:10.1111/j.1471-4159.1991.tb08198.x
更新日期:1991-02-01 00:00:00
abstract::Machado-Joseph disease (MJD) is an autosomal dominant neurodegenerative disorder caused by an expansion of the polyglutamine tract near the C-terminus of the MJD-1 gene product, ataxin-3. Ataxin-3 is degraded by the proteasome. However, the precise mechanism of ataxin-3 degradation remains to be elucidated. In this st...
journal_title:Journal of neurochemistry
pub_type: 杂志文章
doi:10.1111/j.1471-4159.2007.04460.x
更新日期:2007-06-01 00:00:00
abstract::The activities of the three major catecholamine-synthesizing enzymes were determined in brain tissue pellets dissected from 500-micrometers thick horizontal sections of rat lower brainstem. The rostrocaudal distributions of the three enzymatic activities were generally not parallel, suggesting differences in the respe...
journal_title:Journal of neurochemistry
pub_type: 杂志文章
doi:10.1111/j.1471-4159.1982.tb03985.x
更新日期:1982-08-01 00:00:00
abstract::The role of the serotonin (5-hydroxytryptamine) autoreceptor in the regulation of the activity of tryptophan hydroxylase was investigated in rat raphe slices. The activity of tryptophan hydroxylase was estimated by measuring the accumulation of 5-hydroxytryptophan in the presence of inhibition of aromatic L-amino acid...
journal_title:Journal of neurochemistry
pub_type: 杂志文章
doi:10.1111/j.1471-4159.1986.tb13063.x
更新日期:1986-03-01 00:00:00
abstract::Amyloid-β peptide (Aβ) concentration in CSF is potentially a diagnostic and therapeutic target for Alzheimer's disease (AD). The purpose of this study was to clarify the elimination mechanism of human Aβ(1-40) [hAβ (1-40)] from CSF. After intracerebroventricular (ICV) administration, [(125) I]hAβ(1-40) was eliminated ...
journal_title:Journal of neurochemistry
pub_type: 杂志文章
doi:10.1111/j.1471-4159.2011.07311.x
更新日期:2011-08-01 00:00:00
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journal_title:Journal of neurochemistry
pub_type: 杂志文章
doi:10.1111/j.1471-4159.2004.02461.x
更新日期:2004-07-01 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
pub_type: 杂志文章
doi:10.1046/j.1471-4159.1998.71010051.x
更新日期:1998-07-01 00:00:00
abstract::The group I metabotropic glutamate receptor agonist (S)-3,5-dihydroxyphenylglycine (DHPG) elicited two phases of synchronized neuronal (epileptiform) discharges in hippocampal slices: an initial phase of short duration discharges followed by a phase of prolonged discharges. We assessed the involvement of transient rec...
journal_title:Journal of neurochemistry
pub_type: 杂志文章
doi:10.1111/j.1471-4159.2006.04377.x
更新日期:2007-04-01 00:00:00
abstract::It is well established that inflammatory changes contribute to brain ageing, and an increased concentration of proinflammatory cytokine, interleukin-1beta (IL-1beta), has been reported in the aged brain associated with a deficit in long-term potentiation (LTP) in rat hippocampus. The precise age at which changes are i...
journal_title:Journal of neurochemistry
pub_type: 杂志文章
doi:10.1111/j.1471-4159.2006.04165.x
更新日期:2006-11-01 00:00:00
abstract::U-78518F, a 21-aminosteroid from the novel family of lipid peroxidation inhibitors (lazaroids), increased survival of dopamine (DA) neurons in mesencephalic cell cultures incubated with the neurotoxin 1-methyl-4-phenylpyridinium (MPP+). Protection against DA neuron death occurred with increasing concentrations of U-78...
journal_title:Journal of neurochemistry
pub_type: 杂志文章
doi:10.1111/j.1471-4159.1992.tb09314.x
更新日期:1992-01-01 00:00:00
abstract::Nuclei from the cerebral cortices of animals of different ages were separated into neuronal and neuroglial populations. Nuclei from cerebellar neurons were also studied. Using the enzyme micrococcal nuclease as a probe for chromatin structure, we found that the DNA from both neuronal preparations showed a decreased su...
journal_title:Journal of neurochemistry
pub_type: 杂志文章
doi:10.1111/j.1471-4159.1983.tb04769.x
更新日期:1983-08-01 00:00:00
abstract::Glycogen synthase kinase-3beta (GSK-3beta) is a multifunctional enzyme involved in a variety of biological events including development, glucose metabolism and cell death. Its activity is inhibited by phosphorylation of the Ser9 residue and up-regulated by Tyr216 phosphorylation. Activated GSK-3beta increases phosphor...
journal_title:Journal of neurochemistry
pub_type: 杂志文章
doi:10.1111/j.1471-4159.2005.03363.x
更新日期:2005-10-01 00:00:00
abstract::The activity-dependent fusion, retrieval and recycling of synaptic vesicles is essential for the maintenance of neurotransmission. Until relatively recently it was believed that most mutations in genes that were essential for this process would be incompatible with life, because of this fundamental role. However, an e...
journal_title:Journal of neurochemistry
pub_type: 杂志文章,评审
doi:10.1111/jnc.15035
更新日期:2020-05-07 00:00:00
abstract::beta-Adrenergic receptor subtypes, beta 1 and beta 2, were studied during pre- and postnatal development in the rat brain. [125I]Iodocyanopindolol (6-300 pmol/L) binding assays in the presence of 5-hydroxytryptamine (0.6-6 mumol/L) were used to measure exclusively beta-adrenergic receptors. In forebrain tissue, satura...
journal_title:Journal of neurochemistry
pub_type: 杂志文章
doi:10.1111/j.1471-4159.1991.tb08235.x
更新日期:1991-09-01 00:00:00
abstract::In all the species examined thus far, the behavior of microglia during development appears to be highly stereotyped. This reproducibility supports the notion that these cells have a physiological role in development. Microglia are macrophages that migrate from the yolk sac and colonize the central nervous system early...
journal_title:Journal of neurochemistry
pub_type: 杂志文章,评审
doi:10.1111/j.1471-4159.2011.07504.x
更新日期:2011-12-01 00:00:00
abstract::The Review "The malleable brain: plasticity of neural circuits and behavior - A review from students to students" has been written by a group of students following the International Society for Neurochemistry and Journal of Neurochemistry Flagship School. Comprehensively written by students for students, it provides b...
journal_title:Journal of neurochemistry
pub_type: 杂志文章
doi:10.1111/jnc.14102
更新日期:2017-09-01 00:00:00
abstract::The blood-brain barrier (BBB) formed by brain microvascular endothelial cells (BMVEC) regulates the passage of molecules and leukocytes in and out of the brain. Oxidative stress is a major underlying cause of neurodegenerative and neuroinflammatory disorders and BBB injury associated with them. Using human BMVEC grown...
journal_title:Journal of neurochemistry
pub_type: 杂志文章
doi:10.1111/j.1471-4159.2006.04393.x
更新日期:2007-04-01 00:00:00
abstract::Huntington's disease and six other neurodegenerative diseases are associated with abnormal gene products containing expanded polyglutamine (poly-Q; Qn) domains (n > or = 40). In the present work, we show that glutathione S-transferase (GST) fusion proteins containing a small, physiological-length poly-Q domain (GSTQ10...
journal_title:Journal of neurochemistry
pub_type: 杂志文章
doi:10.1046/j.1471-4159.1997.69010431.x
更新日期:1997-07-01 00:00:00
abstract::Saturable and specific binding sites for 5-[3H]hydroxytryptamine (5-HT, serotonin) characterized by a KD of 3.5-4.5 nM were detected in the chick embryo brain and were shown to develop linearly as a function of age, weight, and protein content. Saturation and displacement studies using unlabeled 5-HT as the displacing...
journal_title:Journal of neurochemistry
pub_type: 杂志文章
doi:10.1111/j.1471-4159.1985.tb05447.x
更新日期:1985-02-01 00:00:00
abstract::Three fractions (one soluble and two membrane-bound) of choline acetyltransferase (ChAT) isolated from a nerve ending fraction of mouse forebrain, which have previously been reported to differ in several biochemical and physical aspects, were also found to differ in their rates of postnatal development. At 2 days of a...
journal_title:Journal of neurochemistry
pub_type: 杂志文章
doi:10.1111/j.1471-4159.1984.tb12815.x
更新日期:1984-09-01 00:00:00
abstract::Rat and mouse CNS neurofilament proteins (NFPs) were characterized and compared, in terms of electrophoretic properties on polyacrylamide gels and by peptide mapping, with one another and with other co-purifying lower-molecular-weight CNS proteins, including alpha and beta tubulin. NFPs were partially purified by modi...
journal_title:Journal of neurochemistry
pub_type: 杂志文章
doi:10.1111/j.1471-4159.1981.tb02389.x
更新日期:1981-01-01 00:00:00