using appropriate antagonists , ly53857 as a selective antagonist at 5-ht2 receptors , ics 205-930 as a selective antagonist at 5-ht3 receptors and 1- ( 1-napthyl ) piperazine as a potent antagonist in the rat stomach fundus , we documented further that the contractile responses to 5-oh-kynurenamine resulted from its interaction with 5-ht receptors in these tissues .
C0295352
5-ht3
C0597357
tissues