Figure 2.

GTPγ[35S]‐binding experiments. Concentration response curves to N/OFQ, Ro 65‐6570, Ro 2q, SCH‐221510 and MCOPPB (panel A), and to N/OFQ, AT‐403, AT‐202 and SCH‐486757 (panel B) in membranes of CHONOP cells. Data are the mean ± SEM of 6 separate experiments.