Research Topics
Species | Arpad MikeSummaryAffiliation: Institute of Experimental Medicine Location: Budapest, Hungary Publications
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Detail Information
Publications
Ca(2+)-sensitive inhibition by Pb(2+) of alpha7-containing nicotinic acetylcholine receptors in hippocampal neuronsA Mike
Department of Pharmacology and Experimental Therapeutics, University of Maryland School of Medicine, Baltimore 21201, USA
Brain Res 873:112-23. 2000..Pb(2+)-induced inhibition of alpha7 nAChRs, which was hindered by the enhancement of extracellular Ca(2+) concentrations, may contribute to the neurotoxicity of the heavy metal...
Rapid desensitization of the rat α7 nAChR is facilitated by the presence of a proline residue in the outer β-sheetThomas J McCormack
Laboratory of Neurobiology, National Institute of Environmental Health Sciences, National Institutes of Health, Department of Health and Human Services, Research Triangle Park, NC 27709, USA
J Physiol 588:4415-29. 2010..Our results indicate that rapid desensitization of the wild-type rat α7 nAChR is facilitated by the presence of the proline residue within the β9 strand...
Binding of sodium channel inhibitors to hyperpolarized and depolarized conformations of the channelN Lenkey
Department of Pharmacology, Institute of Experimental Medicine, Hungarian Academy of Sciences, P O B 67, H 1450 Budapest, Hungary
Neuropharmacology 60:191-200. 2011....
Fast- or slow-inactivated state preference of Na+ channel inhibitors: a simulation and experimental studyRobert Karoly
Department of Pharmacology, Institute of Experimental Medicine, Hungarian Academy of Sciences, Budapest, Hungary
PLoS Comput Biol 6:e1000818. 2010..We suggest that conclusions based on voltage protocols that are used to detect slow-inactivated state preference are unreliable and should be re-evaluated...
The enigmatic drug binding site for sodium channel inhibitorsArpad Mike
Department of Pharmacology, Institute of Experimental Medicine, Hungarian Academy of Sciences, P O BOX 67, H 1450 Budapest, Hungary
Curr Mol Pharmacol 3:129-44. 2010..We conclude that sodium channel inhibitors must be heterogenous in terms of binding sites and inhibition mechanisms, and propose that this heterogeneity should be taken into consideration during drug development...
Non-synaptic receptors and transporters involved in brain functions and targets of drug treatmentE S Vizi
Department of Pharmacology, Institute of Experimental Medicine, Hungarian Academy of Sciences, Budapest, Hungary
Br J Pharmacol 160:785-809. 2010....
Converging effects of Ginkgo biloba extract at the level of transmitter release, NMDA and sodium currents and dendritic spikesBernadett K Szasz
Department of Pharmacology, Institute of Experimental Medicine, Hungarian Academy of Sciences, Budapest, Hungary
Planta Med 74:1235-9. 2008..The lack of effect by GBE on dendritic spike initiation in neocortical layer 5 pyramidal neurons indicates that the integrative functions may remain intact during the inhibitory actions of GBE...
The unusual state-dependent affinity of P2X3 receptors can be explained by an allosteric two-open-state modelR Karoly
Institute of Experimental Medicine, Hungarian Academy of Sciences, P O BOX 67, H 1450 Budapest, Hungary
Mol Pharmacol 73:224-34. 2008..By using simulations and experiments, we analyzed the process of high-affinity binding site formation upon agonist exposure and propose an explanation, which helps to resolve the apparent conflict regarding the mechanism of HAD...
Direct inhibitory effect of fluoxetine on N-methyl-D-aspartate receptors in the central nervous systemBernadett K Szasz
Department of Pharmacology, Institute of Experimental Medicine, Hungarian Academy of Sciences, Szigony u 43, Budapest, Hungary
Biol Psychiatry 62:1303-9. 2007....
The mechanism of activity-dependent sodium channel inhibition by the antidepressants fluoxetine and desipramineN Lenkey
Department of Pharmacology, Institute of Experimental Medicine, Hungarian Academy of Sciences, Budapest, Hungary
Mol Pharmacol 70:2052-63. 2006..Our results suggest that different drugs can produce use-dependent sodium channel inhibition by different mechanisms...
Nonsynaptic receptors for GABA and glutamateE Sylvester Vizi
Department of Pharmacology, Institute of Experimental Medicine, Hungarian Academy of Sciences, Budapest, Hungary
Curr Top Med Chem 6:941-8. 2006....
Pb2+ via protein kinase C inhibits nicotinic cholinergic modulation of synaptic transmission in the hippocampusMaria F M Braga
Department of Pharmacology and Experimental Therapeutics, University of Maryland School of Medicine, 655 West Baltimore St, Baltimore, MD 21201, USA
J Pharmacol Exp Ther 311:700-10. 2004..Long-lasting inhibition of alpha7* nAChR modulation of synaptic transmission may contribute to the persistent cognitive impairment that results from childhood Pb(2+) intoxication...
A novel modulatory mechanism of sodium currents: frequency-dependence without state-dependent bindingA Mike
Department of Pharmacology, Institute of Experimental Medicine, Hungarian Academy of Sciences, P.O.B. 67, H-1450 Budapest, Hungary
Neuroscience 125:1019-28. 2004..This mechanism of inhibition could provide a selective inhibition of neurons not only with high frequency bursting activity but also with moderately depolarized membrane potential...
Inhibitory effect of the DA uptake blocker GBR 12909 on sodium channels of hippocampal neuronsArpad Mike
Department of Pharmacology, Hungarian Academy of Sciences, Budapest, Hungary
Neuroreport 14:1945-9. 2003..Our results suggest that caution is needed for the interpretation of data when GBR 12909 is used for the inhibition of dopamine uptake at concentrations above the submicromolar range...
Differential effect of nicotinic agonists on the [3H]norepinephrine release from rat hippocampal slicesJ P Kiss
Department of Pharmacology, Institute of Experimental Medicine, Hungarian Academy of Sciences, Budapest
Neurochem Res 26:943-50. 2001..Our results suggest that special caution is required for the interpretation of data, when DMPP or lobeline are used as nicotinic agonists...
Choline and acetylcholine have similar kinetic properties of activation and desensitization on the alpha7 nicotinic receptors in rat hippocampal neuronsA Mike
Department of Pharmacology and Experimental Therapeutics, University of Maryland School of Medicine, 655 W Baltimore St, Baltimore, MD 21201, USA
Brain Res 882:155-68. 2000..Our results established that the main difference between choline and ACh is of affinity, and support the concept that the switching of endogenous agonist may change the desensitization-resensitization dynamics of alpha7 nAChRs...
Neuronal nicotinic receptors in synaptic functions in humans and rats: physiological and clinical relevanceE X Albuquerque
Department of Pharmacology and Experimental Therapeutics, University of Maryland School of Medicine, Baltimore 21201, USA
Behav Brain Res 113:131-41. 2000..These mechanisms, which appear to be retained across species, might explain the involvement of nAChRs in cognitive functions and in such neurological disorders as Alzheimer's disease and schizophrenia...
Classification of drugs based on properties of sodium channel inhibition: a comparative automated patch-clamp studyNora Lenkey
Department of Pharmacology, Institute of Experimental Medicine, Hungarian Academy of Sciences, Budapest, Hungary
PLoS ONE 5:e15568. 2010..We also aimed to investigate if different properties of inhibition correlate with specific chemical properties of the compounds...
