Results 191 to 200 of about 21,014 (223)
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Agonists and Antagonists of Nicotinic Acetylcholine Receptors

2000
The natural alkaloids nicotine and muscarine (Fig. 1) were the key pharmacologic tools that uncovered the two families of acetylcholine (ACh) receptors in the CNS. These families were defined by the action of these alkaloids to mimic the multiplicity of effects of ACh as a mediator of synaptic transmission (TAYLOR 1996).
S. P. Arneric, M. W. Holladay
openaire   +1 more source

ABT — 418, a Novel Nicotinic Agonist

1994
With the plethora of receptor targets evolving as the result of nicotinic acetylcholine receptor (nAChR) cloning it is possible that new molecular entities selective for subtypes of nAChRs can be developed which are potentially free of the side effect liabilities associated with (-)-nicotine.
S. P. Arneric   +31 more
openaire   +1 more source

Modulation of nicotine receptors by chronic exposure to nicotinic agonists and antagonists.

Ciba Foundation symposium, 1990
Although numerous studies have demonstrated that chronic nicotine treatment often results in tolerance to this drug, the mechanisms that underlie this tolerance are not well defined. Recent evidence suggests that chronic nicotine treatment results in an up-regulation of brain nicotinic receptors, but the majority of these receptors may be desensitized ...
A C, Collins   +3 more
openaire   +1 more source

Nicotinic agonist and antagonist effects on memory

Drug Development Research, 1996
Nicotine has been found by a variety of investigators to improve memory in rats, monkeys, and humans. Recent studies have helped to determine the behavioral and pharmacological nature of critical nicotine effects on memory function. Other nicotinic agonists, including ABT-418, GTS-21, or lobeline, can also significantly improve memory performance ...
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Nicotinic Agonists and Antagonists

2010
Anne M Andrews   +136 more
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Nicotinic Agonists and Antagonists

2014
Hans Rollema   +2 more
openaire   +1 more source

Anatoxin-a: A Novel, Potent Agonist at the Nicotinic Receptor

Molecular Pharmacology, 1980
C E, Spivak, B, Witkop, E X, Albuquerque
openaire   +2 more sources

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