TABLE 2

Abilities of test compounds to displace (±)-[125I]DOI at wild-type and mutant h5-HT2A receptors

Data are represented as the mean (S.E.M.) of Ki values from non-linear regression fits of a single binding site model from at least three independent experiments.


Drug

Ki
WT
S5.43(239)A
S5.46(242)A
nM
5-MeO-DMT 7.54 (1.06) 105 (19)* 36.0 (1.9)*
5-HT 4.84 (0.20) 53.2 (8.0)* 20.2 (0.9)*
5-MeO-T 1.34 (0.22) 4.17 (0.68)* 2.70 (0.29)
Psilocin 11.8 (1.2) 58.0 (3.7)* 23.1 (3.3)
5-Me-T 11.7 (0.6) 10.9 (1.3) 25.8 (3.9)
Tryptamine 29.7 (4.4) 50.2 (6.6) 36.0 (6.0)
DMT 75.1 (6.0) 116 (12) 135 (20)
1-Me-5-HT 70.0 (1.2) 320 (37)* 5.73 (0.83)*
1-iPr-5-MeO-T 494 (91) 786 (85) 24.1 (0.8)*
LSD 0.40 (0.02) 0.41 (0.08) 1.66 (0.32)*
DOI 0.64 (0.06) 2.19 (0.26)* 0.83 (0.11)
DOM 5.91 (0.97) 46.4 (5.9)* 5.04 (0.55)
2CI 0.73 (0.06) 1.20 (0.22) 1.28 (1.28)
2-Et-DOM 91.1 (9.7) 460 (92)* 38.5 (4.1)*
5-Et-DOM 22.4 (1.2) 32.2 (1.9) 31.5 (5.0)
DOH 245 (28) 2246 (144)* 294 (54)
5-H-DOM 169 (12) 343 (41) 164 (7)
2CH
377 (67)
782 (19)
440 (23)
  • * P < 0.05 for values of Δ pKi from ANOVA with Bonferroni post tests comparing mutant and wild-type values