Edson X. Albuquerque

JPET Fast Forward. Published on April 19, 2007 as DOI:10.1124/jpet.107.123109 1 (2008)

Robert Schwarcz, Edson X. Albuquerque

Competitive antagonism between the nicotinic allosteric potentiating ligand galantamine and kynurenic acid at α7 * nicotinic receptors

The Molecular Targets of Selected Organophosphorus Compounds at Nicotinic, Muscarinic, GABA, and Glutamate Synapses: Acute and Chronic Studies Including Prophylactic and Therapeutic Approaches (2003)

Albuquerque, Edson X.

The major goals of this project have been: a) to continue our investigation of organophosphorus compounds (OPs) on chemosensitive receptors located at various synapses; b) to attempt to discern the...

The Acetylcholine Receptor and Its Ionic Channel as Targets for Drugs and Toxins (2002)

Eldefrawi, Mohyee E., Albuquerque, Edson X.

The overall objective of this study was to establish the pharmacology of the ionic channel of the peripheral nicotinic acetylcholine (ACh) receptor and to understand the mechanism by which this...

Synthesis and pharmacological evaluation of a new 2-azabicyclo[3.3.0]octane derivative (2001)

Peçanha,Emerson P., Fraga,Carlos A. M., Barreiro,Eliezer J., Braga,Maria F. M., Pereira,Edna F. R., Albuquerque,Edson X.

As part of a research program aiming at the design, synthesis and pharmacological evaluation of a novel lead-candidates of neuroactive compounds, we describe herein the synthesis and the central...

The Nicotinic Allosteric Potentiating Ligand Galantamine Facilitates Synaptic Transmission in the Mammalian Central Nervous System (2001)

Máriton D. Santos, Manickavasagom Alkondon, Yasco Aracava, Howard M. Eisenberg, Alfred Maelicke, ...

In this study, the patch-clamp technique was used to determine the effects of galantamine, a cholinesterase inhibitor and a nicotinic allosteric potentiating ligand (APL) used for treatment of...

Effectiveness of Oximes 2-PAM and HI-6 in Recovery of Muscle Function Depressed by Organophosphate Agents in the Rat Hemidiaphragm: An in Vitro Study (1991)

REDDY, VANGA K., DESHPANDE, SHARAD S., CINTRA, WAGNER M., SCOBLE, GILES T., ALBUQUERQUE, EDSON X.

Effectiveness of Oximes 2-PAM and HI-6 in Recovery of Muscle Function Depressed by Organophosphate Agents in the Rat Hemidiaphragm: An in vitro Study. REDDY, V. K., DESHPANDE, S. S., CINTRA, W. M.,...

Effectiveness of Physostigmine as a Pretreatment Drug for Protection of Rats from Organophosphate Poisoning (1986)

DESHPANDE, SHARAD S., VIANA, GLAUCE B., KAUFFMAN, FREDERICK C., RICKETT, DANIEL L., ALBUQUERQUE, EDSON X.

Effectiveness of Physostigmine as a Pretreatment Drug for Protection of Rats from Organophosphate Poisoning. DESHPANDE, S. S., VIANA, G. B., KAUFFMAN, F. C., RICKETT, D. L., AND ALBUQUERQUE, E. X....

Phencyclidine interactions with the ionic channel of the acetylcholine receptor and electrogenic membrane

Albuquerque, Edson X., Tsai, Ming-Cheng, Aronstam, Robert S., Witkop, Bernhard, Eldefrawi, Amira T., Eldefrawi, Mohyee E.

The effects of phencyclidine (PCP) were studied on the electrogenic and chemosensitive properties of the neuromuscular junction of skeletal muscle as well as on the binding sites on the acetylcholine...

Activation, inactivation, and desensitization of acetylcholine receptor channel complex detected by binding of perhydrohistrionicotoxin

Eldefrawi, Mohyee E., Aronstam, Robert S., Bakry, Nabil M., Eldefrawi, Amira T., Albuquerque, Edson X.

The effects of receptor activation were studied on the interaction of perhydrohistrionicotoxin (H12-HTX) with the ionic channel of the nicotinic acetylcholine (AcCho) receptor in membranes from the...

Tetraethylammonium: Voltage-dependent action on endplate conductance and inhibition of ligand binding to postsynaptic proteins

Adler, Michael, Oliveira, Antonio C., Eldefrawi, Mohyee E., Eldefrawi, Amira T., Albuquerque, Edson X.

Tetraethylammonium (Et4N+) ions depressed the amplitude and accelerated the decay rate of spontaneously occurring and nerve-evoked endplate currents (EPCs) in frog sartorius muscle. The relationship...

The Density of Acetylcholine Receptors and Their Sensitivity in the Postsynaptic Membrane of Muscle Endplates

Albuquerque, Edson X., Barnard, Eric A., Porter, Carl W., Warnick, Jordan E.

In various skeletal muscles, the mean density of acetylcholine receptors in the muscle postsynaptic membrane is constant at about 8700 per μm2, even though the overall size of an endplate ranged...

Acetylcholine Receptor and Ion Conductance Modulator Sites at the Murine Neuromuscular Junction: Evidence from Specific Toxin Reactions

Albuquerque, Edson X., Barnard, Eric A., Chiu, Tieh H., Lapa, Antonio J., Dolly, J. Oliver, Jansson, Sten-Erik, ...

The perhydro derivative of histrionicotoxin reversibly blocks the excitatory ionic transduction system in the synaptic and sarcolemmal membranes of mammalian skeletal muscle cells. The efficacy of...

Phencyclidine interactions with the ionic channel of the acetylcholine receptor and electrogenic membrane

Albuquerque, Edson X., Tsai, Ming-Cheng, Aronstam, Robert S., Witkop, Bernhard, Eldefrawi, Amira T., Eldefrawi, Mohyee E.

The effects of phencyclidine (PCP) were studied on the electrogenic and chemosensitive properties of the neuromuscular junction of skeletal muscle as well as on the binding sites on the acetylcholine...

Activation, inactivation, and desensitization of acetylcholine receptor channel complex detected by binding of perhydrohistrionicotoxin

Eldefrawi, Mohyee E., Aronstam, Robert S., Bakry, Nabil M., Eldefrawi, Amira T., Albuquerque, Edson X.

The effects of receptor activation were studied on the interaction of perhydrohistrionicotoxin (H12-HTX) with the ionic channel of the nicotinic acetylcholine (AcCho) receptor in membranes from the...

Tetraethylammonium: Voltage-dependent action on endplate conductance and inhibition of ligand binding to postsynaptic proteins

Adler, Michael, Oliveira, Antonio C., Eldefrawi, Mohyee E., Eldefrawi, Amira T., Albuquerque, Edson X.

Tetraethylammonium (Et4N+) ions depressed the amplitude and accelerated the decay rate of spontaneously occurring and nerve-evoked endplate currents (EPCs) in frog sartorius muscle. The relationship...

The Density of Acetylcholine Receptors and Their Sensitivity in the Postsynaptic Membrane of Muscle Endplates

Albuquerque, Edson X., Barnard, Eric A., Porter, Carl W., Warnick, Jordan E.

In various skeletal muscles, the mean density of acetylcholine receptors in the muscle postsynaptic membrane is constant at about 8700 per μm2, even though the overall size of an endplate ranged...

Acetylcholine Receptor and Ion Conductance Modulator Sites at the Murine Neuromuscular Junction: Evidence from Specific Toxin Reactions

Albuquerque, Edson X., Barnard, Eric A., Chiu, Tieh H., Lapa, Antonio J., Dolly, J. Oliver, Jansson, Sten-Erik, ...

The perhydro derivative of histrionicotoxin reversibly blocks the excitatory ionic transduction system in the synaptic and sarcolemmal membranes of mammalian skeletal muscle cells. The efficacy of...

Effective countermeasure against poisoning by organophosphorus insecticides and nerve agents

Albuquerque, Edson X., Pereira, Edna F. R., Aracava, Yasco, Fawcett, William P., Oliveira, Maristela, Randall, William R., ...

The nerve agents soman, sarin, VX, and tabun are deadly organophosphorus (OP) compounds chemically related to OP insecticides. Most of their acute toxicity results from the irreversible inhibition of...

A Study of the Reinnervation of Fast and Slow Mammalian Muscles

McArdle, Joseph J., Albuquerque, Edson X.

Miniature end plate potential (mepp) frequency in innervated extensor muscle is significantly higher than in soleus muscle. 9 days after nerve crush mepps of low amplitude and prolonged duration...

Effects of Batrachotoxin on Membrane Potential and Conductance of Squid Giant Axons

Narahashi, Toshio, Albuquerque, Edson X., Deguchi, Takehiko

The effects of batrachotoxin (BTX) on the membrane potential and conductances of squid giant axons have been studied by means of intracellular microelectrode recording, internal perfusion, and...