Table 4

Antagonist potency of several compounds against the response of 5-HT and (±)-DOI ([3H]IP formation) in CHOFA4 cells expressing human 5-HT2A receptors

pA2
5-HT(±)-DOI
MDL 100,9078.73  ± 0.469.34  ± 0.06
Ketanserin8.45  ± 0.259.16  ± 0.30
SB2420847.17  ± 0.337.47  ± 0.15
Mesulergine7.27  ± 0.307.14  ± 0.30

Values represent mean ± S.E.M. of at least three independent experiments performed with triplicate points.