Table 2
cAMP, PLC, and PLD responses to VIP in CHO cells expressing VPAC
1
and VPAC
2
receptors
VPAC
1
VPAC
2
EC
50
E
max
EC
50
E
max
nM
fold of basal
nM
fold of basal
cAMP Production
0.065 ± 0.013
59 ± 1
0.123 ± 0.016
118 ± 3
[
3
H]InsP production
nil at 3 μM
nil at 3 μM
[
3
H]PtdBut production
6.2 ± 2.5
1.83 ± 0.29
5.3 ± 1.2
2.79 ± 0.46