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Neuropsychopharmacology. 1991 Aug;5(1):43-7.

Affinities of fluoxetine, its enantiomers, and other inhibitors of serotonin uptake for subtypes of serotonin receptors.

Author information

1
Lilly Research Laboratories, Eli Lilly and Company, Lilly Corporate Center, Indianapolis, Indiana 46285.

Abstract

The new antidepressant drugs, fluoxetine (and its enantiomers), citalopram, indalpine, paroxetine, and femoxetine show relatively weak affinities for 5-HT receptors as measured by radioligand binding to 5-HT-1(A,B,C and D), 5-HT-2, and 5-HT-3 subtypes. Fluoxetine and R(-)-fluoxetine, at near micromolar concentrations, inhibit 3H-mesulergine binding to 5-HT-1C receptors in bovine choroid plexus, and the R(-) enantiomer is 23 times more potent than the S(+) enantiomer. However, the near nanomolar potencies of these drugs as inhibitors of 5-HT uptake most likely account for their pharmacologic effects in animals.

PMID:
1930610
[Indexed for MEDLINE]

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