Figure 1. Somatostatin-14-induced concentration-dependent stimulation of intracellular calcium mobilization in CHO-K1/SST3/Gα15 cells. The cells were loaded with Calcium-4 prior to being stimulated with agonist somatostatin-14. The intracellular calcium change was measured by FLIPR. The relative fluorescent units (RFU) were normalized and plotted against the log of the cumulative doses of Somatostatin-14 (Mean ± SD, n = 2). The EC50 of Somatostatin-14 on this cell was 0.226 µM.
Notes:
1. EC50 value is calculated with four parameter logistic equation:
Y=Bottom + (Top-Bottom)/(1+10^((LogEC50-X)*HillSlope))
X is the logarithm of concentration. Y is the response
Y is RFU and starts at Bottom and goes to Top with a sigmoid shape.
2. Signal to background Ratio (S/B) = Top/Bottom
CHO-K1/SST3/Gα15 Stable Cell Line
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