Table 2. Activity of Bivalent Ligands against CB1, OX1, and Coexpressed Receptors.
Ke (nM) ± SEM |
|||||
---|---|---|---|---|---|
No. | linker length (atoms) | CB1 vs CP55,940 | CB1-OX1 vs CP55,940 | CB1-OX1 vs Orexin-A | OX1 vs Orexin-A |
1 | 1.1 ± 0.1 | 1.0 ± 0.6 | >10000 | >10000 | |
SB334867 | >10000 | >10000 | 32 ± 20 | 45 ± 12 | |
18 | 15 | 2100 ± 140 | 1200 ± 270 | >10000 | 8800 ± 2300 |
19 | 15 | 1800 ± 710 | 610 ± 16 | >10000 | 8460 ± 680 |
20 | 18 | 1800 ± 1300 | 110 ± 45 | 5900 ± 1300 | >10000 |
21 | 20 | 1100 ± 500 | 410 ± 46 | >10000 | >10000 |
22 | 19 | 1800 ± 680 | 420 ± 280 | 4500 ± 2200 | 3500 ± 1300 |
24 | 19 | 8000 ± 2800 | 580 ± 260 | >10000 | 8600 ± 1200 |
26 | 15 | 3000 ± 1100 | 230 ± 11 | >10000 | 5500 ± 1300 |