Table 1.
Effect of extracellular calcium removal or intracellular calcium depletion on cAMP accumulation
Untreated | Pertussis toxin-treated | |||||
---|---|---|---|---|---|---|
Control | No Ca2+-ex | No Ca2+in/ex | Control | No Ca2+ ex | No Ca2+ in/ex | |
Basal | 3.3 ± 0.6 | 3.1 ± 0.2 | 2.8 ± 0.5 | 2.8 ± 0.1 | 2.9 ± 0.3 | 3.0 ± 0.1 |
50 nm FSK | 46.0 ± 2.7 | 40.5 ± 2.8 | 20.9 ± 1.8 | 20.2 ± 2.0 | 15.8 ± 1.2 | 11.2 ± 1.0 |
+ 1 μm HU210 | 4.7 ± 0.2 | 4.7 ± 0.3 | 4.4 ± 0.3 | 51.2 ± 4.9 | 37.8 ± 2.5 | 26.9 ± 3.0 |