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AC toxin (10 μg/ml) renatured in calcium but assayed in the presence of excess EDTA does not elicit an increase in intracellular cAMP levels in sheep RBCa
| Renatured in: | Assayed in: | Mean intracellular cAMP (pmol/107 RBC) ± SD |
|---|---|---|
| EDTA | EDTA | 1.96 ± 1.24 |
| Calcium | EDTA | 2.01 ± 0.18 |
| EDTA | Calcium | 193.0 ± 2.00 |
| Calcium | Calcium | 189.0 ± 3.60 |
Background, 1.90 ± 0.15.
