CCK antagonist binding
| Addition | NCI-H209 Cells | NCI-H345 Cells |
|---|---|---|
| CI-988 | 5 ± 0.5 | 4 ± 1 |
| L-365,260 | 2 ± 0.2 | 3 ± 0.5 |
| L-364,718 | 200 ± 30 | 250 ± 40 |
The mean IC50 (nM) ± S.D. of four determinations, each performed in duplicate to inhibit specific 125I-CCK-8 binding, is indicated.