TABLE 4

Potency of DOR-selective agonists deltorphin II, SNC80, ARM1000390, and ADL5859 in inducing calcium release

Data are from HEK-293 cells expressing DOR333-Gqi4 together with wild-type (WT) δ-opioid receptor (DOR) or μ-opioid receptor (MOR), or MOR354-Gqi4 together with WT DOR or MOR.

LigandpEC50 (Mean ± S.E.M.) in Cells Expressing:
DOR333-Gqi4 + DORMOR354-Gqi4 + DORDOR333-Gqi4 + MORMOR354-Gqi4 + MOR
Deltorphin II7.8 ± 0.17.3 ± 0.37.9 ± 0.1<5
SNC807.7 ± 0.27.2 ± 0.27.0 ± 0.3<5
ARM10003906.9 ± 0.26.5 ± 0.16.4 ± 0.1<5
ADL58596.7 ± 0.15.9 ± 0.35.8 ± 0.2*<5
  • * P < 0.05 vs. DOR333-Gqi4 + WT DOR.