Oxotremorine is a drug that acts as a selective

muscarinic acetylcholine receptor Muscarinic acetylcholine receptors, or mAChRs, are acetylcholine receptors that form G protein-coupled receptor complexes in the cell membranes of certain neurons and other cells. They play several roles, including acting as the main end- ...

agonist An agonist is a chemical that activates a receptor to produce a biological response. Receptors are cellular proteins whose activation causes the cell to modify what it is currently doing. In contrast, an antagonist blocks the action of the ag ...

. Oxotremorine produces ataxia, tremor and spasticity, similar to those symptoms seen in Parkinsonism, and has thus become a research tool in experimental studies aimed at determining more effective anti-Parkinsonian drugs. Oxotremorine also produces antipsychotic effects.

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