Research Topics
Species | AMY ARAISummaryAffiliation: Southern Illinois University School of Medicine Country: USA Publications
Research Grants
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Detail Information
Publications
GYKI 52466 has positive modulatory effects on AMPA receptorsA C Arai
Department of Pharmacology, Southern Illinois University School of Medicine, P O Box 19629, Springfield, IL 62794 9629, USA
Brain Res 892:396-400. 2001..The results indicate that GYKI 52466 modulates AMPA receptor-mediated currents in a complex manner, perhaps by acting through more than one binding site...
Factors that regulate KiSS1 gene expression in the hippocampusAmy C Arai
Department of Pharmacology, Southern Illinois University School of Medicine, P O Box 19629, Springfield, IL 62794 9629, USA
Brain Res 1243:10-8. 2008..In additional experiments, KiSS1 mRNA was found to be increased after orchidectomy and thus expression may be regulated also by gonadal hormones...
The role of kisspeptin and GPR54 in the hippocampusAmy C Arai
Department of Pharmacology, Southern Illinois University School of Medicine, P O Box 19629, Springfield, IL 62794 9629, USA
Peptides 30:16-25. 2009..This novel peptide system may play a role in cognition and in the pathogenesis of epilepsy...
Pharmacology of ampakine modulators: from AMPA receptors to synapses and behaviorA C Arai
Dept of Pharmacology, Southern Illinois University School of Medicine, Springfield, Illinois 62794 9629, USA
Curr Drug Targets 8:583-602. 2007..Type II drugs like CX516 in particular appear to be inherently safe since their ability to prolong responses is kinetically limited...
Cancer metastasis-suppressing peptide metastin upregulates excitatory synaptic transmission in hippocampal dentate granule cellsAmy C Arai
Department of Pharmacology, 801 N Rutledge St, P O Box 19629, Springfield, IL 62794 9629, USA
J Neurophysiol 94:3648-52. 2005..Metastin is thus a novel endogenous factor that modulates synaptic excitability in the dentate gyrus through mechanisms involving MAP kinases, which in turn may be controlled upstream by calcium-activated kinases and tyrosine kinases...
Modulation of AMPA receptor kinetics differentially influences synaptic plasticity in the hippocampusA C Arai
Department of Pharmacology, Southern Illinois University School of Medicine, MC 9629, 801 North Rutledge Street, Springfield, IL 62702, USA
Neuroscience 123:1011-24. 2004....
Effects of 5'-alkyl-benzothiadiazides on (R,S)-alpha-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid (AMPA) receptor biophysics and synaptic responsesAmy C Arai
Department of Pharmacology, Southern Illinois University School of Medicine, Springfield, Illinois 62794 9629, USA
Mol Pharmacol 62:566-77. 2002..The large gain in potency conferred by alkyl substitution suggests that the 5' substituent is in intimate contact with the receptor, with the size of the substituent determining the way in which receptor kinetics is changed...
Benzamide-type AMPA receptor modulators form two subfamilies with distinct modes of actionAmy C Arai
Department of Pharmacology, Southern Illinois University, Springfield, Illinois 62702, USA
J Pharmacol Exp Ther 303:1075-85. 2002..Of these, CX516-type drugs may have the greater therapeutic utility because of their limited efficacy in prolonging synaptic responses and in attenuating receptor desensitization...
Positive alpha-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid (AMPA) receptor modulators have different impact on synaptic transmission in the thalamus and hippocampusYan-Fang Xia
Department of Pharmacology, Southern Illinois University, School of Medicine, Springfield, IL 62794-9629, USA
J Pharmacol Exp Ther 313:277-85. 2005..Although regional preferences of the ampakines were modest in their extent, they may be sufficient to be of relevance when considering future therapeutic applications of such compounds...
C-terminal truncation affects kinetic properties of GluR1 receptorsErika Suzuki
Department of Pharmacology, Southern Illinois University School of Medicine, MC 9629, 801 N Rutledge, Room 3275, Springfield, IL 62702, USA
Mol Cell Neurosci 29:1-10. 2005..The lowered affinity and faster inactivation of these receptors suggests that their presence does not represent a risk for neuronal viability...
Modulation of agonist binding to AMPA receptors by 1-(1,4-benzodioxan-6-ylcarbonyl)piperidine (CX546): differential effects across brain regions and GluA1-4/transmembrane AMPA receptor regulatory protein combinationsKyle E Montgomery
Department of Pharmacology, Southern Illinois University School of Medicine, Springfield, Illinois 62794 9629, USA
J Pharmacol Exp Ther 331:965-74. 2009....
Spontaneous activity in Purkinje cells: multi-electrode recording from organotypic cerebellar slice culturesMarkus Kessler
Department of Pharmacology, Southern Illinois University School of Medicine, Springfield, IL 62702, USA
Brain Res 1218:54-69. 2008....
Physiological significance of high- and low-affinity agonist binding to neuronal and recombinant AMPA receptorsMarkus Kessler
Department of Pharmacology, Southern Illinois University School of Medicine, Springfield, IL 62702, USA
Neurochem Int 52:1383-93. 2008....
Factors affecting guanine nucleotide binding to rat AMPA receptorsKyle Montgomery
Department of Pharmacology, Southern Illinois University School of Medicine, Springfield, IL 62702, USA
Brain Res 1177:1-8. 2007..Thus new approaches, including crystallography, may be called for to identify residues uniquely involved in nucleotide binding...
Use of [3H]fluorowillardiine to study properties of AMPA receptor allosteric modulatorsMarkus Kessler
Department of Pharmacology, Southern Illinois University School of Medicine, 801 N Rutledge, PO Box 19629, Springfield, IL 62794 9629, USA
Brain Res 1076:25-41. 2006..Lastly, data are shown which highlight the importance of optimizing experimental conditions in filtration assays, for instance by always including thiocyanate in wash buffers...
The fast kinetics of AMPA GluR3 receptors is selectively modulated by the TARPs gamma 4 and gamma 8Erika Suzuki
Department of Pharmacology, Southern Illinois University School of Medicine, 801 North Rutledge Street, PO Box 19629, Springfield, Illinois 62794 9629, USA
Mol Cell Neurosci 38:117-23. 2008..The differential TARP effects on deactivation time constants of the GluR3 subunit are likely to have a significant impact on synaptic responses across different neurons in the brain...
Divergent effects of the purinoceptor antagonists suramin and pyridoxal-5'-phosphate-6-(2'-naphthylazo-6'-nitro-4',8'-disulfonate) (PPNDS) on alpha-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid (AMPA) receptorsErika Suzuki
Department of Pharmacology, Southern Illinois University School of Medicine, Springfield, Illinois 62702, USA
Mol Pharmacol 66:1738-47. 2004..By extension, suramin is proposed to stabilize the unbound state and thereby to reduce affinity for agonists. These drugs thus act through a novel type of noncompetitive antagonism...
Integrins regulate NMDA receptor-mediated synaptic currentsBin Lin
Department of Psychiatry and Human Behavior, University of California, Irvine 92612 1695, USA
J Neurophysiol 89:2874-8. 2003..Integrins regulate Src kinases that are known to phosphorylate NMDA receptors. It is concluded that integrins act through this route to exert potent modulatory effects on the operation of NMDA receptors...
5'-alkyl-benzothiadiazides: a new subgroup of AMPA receptor modulators with improved affinityDean Phillips
Department of Chemistry, University of California, Irvine, CA 92697, USA
Bioorg Med Chem 10:1229-48. 2002..The structure--activity relationships reported here thus offer to provide new insights how receptor kinetics is linked to particular aspects of receptor--drug interactions...
A novel mechanism for the facilitation of theta-induced long-term potentiation by brain-derived neurotrophic factorEniko A Kramar
Department of Psychiatry and Human Behavior, University of California, Irvine, California 92612 1695, USA
J Neurosci 24:5151-61. 2004..It is likely that this mechanism, acting with other factors, promotes the formation and increases the magnitude of LTP...
Mutations in ionotropic AMPA receptor 3 alter channel properties and are associated with moderate cognitive impairment in humansYe Wu
Institute of Genetic Medicine and Department of Pediatrics, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA
Proc Natl Acad Sci U S A 104:18163-8. 2007..Our study provides the genetic and functional evidence that mutant iGluR3 with altered kinetic properties is associated with moderate cognitive impairment in humans...
Research Grants
- DIFFERENCES IN SYNAPTIC VS NONSYNAPTIC AMPA RECEPTORSAMY ARAI; Fiscal Year: 2004..Determining which cellular factor stabilizes the low-affinity receptors will constitute the Fifth Aim of this application. ..
- Differential effects of TARPs on AMPA receptor subunitsAMY ARAI; Fiscal Year: 2007....
