Table 1: Percentage of cells responding to stimuli.


Days of culture CCK 1 nM CCK-8 20 pM ACh 100 nM Tps 1 μM

0 100 99 96 100
1 59 63 66 100
2 46 78 69 78
3 40 55 22 83
4 26 39 11 88
One week 0 0 0 100