Results 1 to 10 of about 22,691 (214)

Muscarinic Receptor Agonists and Antagonists [PDF]

open access: goldMolecules, 2001
A comprehensive review of pharmacological and medical aspects of the muscarinic class of acetylcholine agonists and antagonists is presented. The therapeutic benefits of achieving receptor subtype selectivity are outlined and applications in the ...
David R. Kelly, Kenneth J. Broadley
doaj   +6 more sources

Investigating the Unbinding of Muscarinic Antagonists from the Muscarinic 3 Receptor. [PDF]

open access: yesJ Chem Theory Comput, 2023
Patient symptom relief is often heavily influenced by the residence time of the inhibitor-target complex. For the human muscarinic receptor 3 (hMR3), tiotropium is a long-acting bronchodilator used in conditions such as asthma or chronic obstructive pulmonary disease (COPD). The mechanistic insights into this inhibitor remain unclear; specifically, the
Buigues PJ   +7 more
europepmc   +4 more sources

Multitargeting nature of muscarinic orthosteric agonists and antagonists

open access: yesFrontiers in Physiology, 2022
Muscarinic receptors (mAChRs) are typical members of the G protein-coupled receptor (GPCR) family and exist in five subtypes from M1 to M5. Muscarinic receptor subtypes do not sufficiently differ in affinity to orthosteric antagonists or agonists ...
Jaromir Myslivecek
doaj   +3 more sources

Isomerization of the muscarinic receptor . antagonist complex.

open access: hybridJournal of Biological Chemistry, 1979
The mechanism of binding of two antagonists, 3-quinuclidinyl benzilate and N-methyl-4-piperidinyl benzilate, to the muscarinic receptor was studied. The pseudo-first order rate constant of association showed a hyperbolic dependence on the concentration of the antagonist(s) indicating that the interaction involves two equilibria.
Jaak Järv   +2 more
openalex   +4 more sources

Molecular probes for muscarinic receptors: Functionalized congeners of selective muscarinic antagonists [PDF]

open access: greenLife Sciences, 1995
The muscarinic agonist oxotremorine and the tricyclic muscarinic antagonists pirenzepine and telenzepine have been derivatized using a functionalized congener approach for the purpose of synthesizing high affinity ligand probes that are suitable for conjugation with prosthetic groups, for receptor cross-linking, fluorescent and radioactive detection ...
Kenneth A. Jacobson   +2 more
openalex   +4 more sources

The muscarinic antagonists scopolamine and atropine are competitive antagonists at 5-HT3 receptors. [PDF]

open access: yesNeuropharmacology, 2016
Scopolamine is a high affinity muscarinic antagonist that is used for the prevention of post-operative nausea and vomiting. 5-HT3 receptor antagonists are used for the same purpose and are structurally related to scopolamine. To examine whether 5-HT3 receptors are affected by scopolamine we examined the effects of this drug on the electrophysiological ...
Lochner M, Thompson AJ.
europepmc   +5 more sources

Migrastatin Acts as a Muscarinic Acetylcholine Receptor Antagonist [PDF]

open access: bronzeThe Journal of Antibiotics, 2006
Migrastatin and its analogs have various biological activities such as inhibition of cell migration and anchorage-independent growth of cancer cells. Although its biosynthesis and chemical synthesis have been under investigation, little is known about the biological target of migrastatin.
Koichi Nakae   +3 more
openalex   +4 more sources

Efficacy and Safety of DA-8010, a Novel M3 Antagonist, in Patients With Overactive Bladder: A Randomized, Double-Blind Phase 2 Study [PDF]

open access: yesInternational Neurourology Journal, 2022
Purpose DA-8010 is a novel muscarinic M3 receptor antagonist with significant selectivity for bladder over salivary gland in preclinical studies. We evaluated the clinical efficacy and safety of DA-8010 in overactive bladder (OAB) patients.
Hee Seo Son   +12 more
doaj   +1 more source

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