Table 3. Ki values of Atropine, VU0364572, and VU0357017 Derived from Competition Binding Experimentsa.
| compd | rM1Ki μM (±SEM) | rM2Ki μM (±SEM) | rM3Ki μM (±SEM) | rM4Ki μM (±SEM) | rM5Ki μM (±SEM) |
|---|---|---|---|---|---|
| VU0364572 | 45.9 (10.1) | 19.7 (16.9) | 77.5 (8.41) | 30.3 (13.2) | 26.6 (0.56) |
| VU0357017 | 9.91 (1.6) | 21.4 (15.7) | 55.3 (21.5) | 35.0 (12.9) | 50.0 (13.6) |
| atropine | 0.001 (0.000) | 0.003 (0.000) | 0.001 (0.000) | 0.002 (0.000) | 0.003 (0.001) |
Data represents values determined from displacement of [3H]-NMS (0.3 nM) in cell membranes isolated from CHO cells stably expressing rM1–rM5 receptors. Values represent the mean ± SEM of three to five independent experiments performed in duplicate.
