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Deuteration-Driven Photopharmacology: Deuterium-Labeled <b>AzoCholine</b> for Controlling Alpha 7 Nicotinic Acetylcholine Receptors. [PDF]
ACS Pharmacol Transl SciYang X +8 more
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Ca2+ permeability of nicotinic acetylcholine receptors
Cell Calcium, 2004Nicotinic acetylcholine receptors (nAChRs) are expressed in muscle cells and neurons, as well as in an increasing number of other cell types. The nAChR channels are permeable to cations, including Ca(2+). Ca(2+) entry through nAChR channels has been shown to modulate several Ca(2+)-dependent cellular processes, such as neurotransmitter release ...
Sérgio Fucile
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Nicotinic Acetylcholine Receptor Assays
Current Protocols in Pharmacology, 1999AbstractNicotinic acetylcholine receptors (nAChRs) in peripheral tissues are localized almost exclusively to autonomic nerves and the motor end plates of striated musculature. Pharmacologic analyses of nicotinic receptor antagonist potencies can be conducted by assessing the ability of these compounds to inhibit responses elicited by preganglionic ...
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Nicotinic acetylcholine receptors in a songbird brain
Journal of Comparative Neurology, 2022AbstractNicotinic acetylcholine receptors (nAChRs) are ligand‐gated ion channels that mediate fast synaptic transmission and cell signaling, which contribute to learning, memory, and the execution of motor skills. Birdsong is a complex learned motor skill in songbirds.
Norman Chinweike Asogwa +8 more
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Nicotinic Acetylcholine Receptors
2003Publisher Summary This chapter deals with nicotinic acetylcholine receptors. Nicotinic acetylcholine receptors (nAChRs) are cholinergic receptors that form ligand-gated ion channels in the plasma membranes of certain neurons and on the postsynaptic side of the neuromuscular junction. As ionotropic receptors, nAChRs are directly linked to ion channels
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Nicotinic Acetylcholine Receptors and Epilepsy
Current Drug Target -CNS & Neurological Disorders, 2002The neuronal nicotinic acetylcholine receptors (nAChRs) have multiple roles in the brain: they are involved in signal transduction by fast synaptic transmission, axo-axonic transmission, and in the modulation of presynaptic transmitter release. Presynaptic nAChRs can increase the release of excitatory as well as of inhibitory transmitters, and can ...
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Neuronal Nicotinic Acetylcholine Receptors
1996Studies of the structure and function of neuronal nicotinic acetylcholine receptors (AChRs) evolved out of studies of muscle AChRs. This review will begin with a brief summary of muscle type AChRs because they are the archetype for studies of neuronal nicotinic AChRs in particular and ligand-gated ion channels in general.
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Nicotinic Acetylcholine Receptors and Imaging
Current Pharmaceutical Design, 2000In vivo imaging techniques like positron emission tomography (PET) and single photon emission computed tomography (SPECT) offer the possibility to monitor human central nicotinic acetylcholine receptors (nAChRs) in a variety of central nervous system disorders. In the past, the only available PET radiotracer for imaging nAChRs in the human brain, [11C]-
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The paradox of nicotinic acetylcholine receptor upregulation by nicotine
Trends in Pharmacological Sciences, 1990Abstract Chronic exposure to agonist (or conditions that increase the synaptic concentration of the natural transmitter, such as blockade of inactivation mechanisms) results in a downregulation of the target receptor. Conversely, chronic exposure to antagonist (or conditions that decrease the synaptic concentration of transmitter, including ...
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