Cyclic AMP content of dorsal vessel and hindgut
| . | 10 min incubation with IBMX (pmol per dorsal vessel) . | 10 min incubation with IBMX (pmol per hindgut) . |
|---|---|---|
| Saline | 2.5±0.65 | 3.1±1.26 |
| Serotonin (10–6 mol l–1) | 12.4±0.78* | 5.6±1.31* |
| Rhopr/Dippu DH31 (10–6 mol l–1) | 7.5±0.93* | 7.7±1.09* |
| . | 10 min incubation with IBMX (pmol per dorsal vessel) . | 10 min incubation with IBMX (pmol per hindgut) . |
|---|---|---|
| Saline | 2.5±0.65 | 3.1±1.26 |
| Serotonin (10–6 mol l–1) | 12.4±0.78* | 5.6±1.31* |
| Rhopr/Dippu DH31 (10–6 mol l–1) | 7.5±0.93* | 7.7±1.09* |
IBMX, isobutyl methylxanthine. *Significantly different from saline control (Student's unpaired t test, P<0.05)