TABLE 1.
δ-Receptor density and agonist affinity in δ-receptor knockout and 5′-NTII–treated mice
| Group | Bmax (fmol/mg ± S.E.M.) | [3H]DPDPE Kd (nM ± S.E.M.) |
|---|---|---|
| δ-Receptor +/+ | 105 ± 7 | 2.3 ± 0.4 |
| δ-Receptor +/− | 42 ± 3 | 1.3 ± 0.3 |
| δ-Receptor −/− | −3 ± 5 | N/A |
| C57BL6 DMSO | 127 ± 11 | 2.3 ± 0.4 |
| C57BL6 NTII | 86 ± 5 | 1.6 ± 0.3 |