Table 2. Slope values calculated from xCELLigence real-time measurements between 7–24 h.

	SLOPE (1/h)
	costunolide			dehydrocostus lactone		control
	3 µg/ml	10 µg/ml	20 µg/ml	3 µg/ml	10 µg/ml	0 µg/ml
SW-872	0.002±0.003	0.004±0.002	−0.040±0.002	−0.005±0.001	−0.023±0.003	0.028±0.001
SW-982	0.111±0.003	0.079±0.004	−0.016±0.001	0.173±0.009	−0.008±0.002	0.116±0.002
TE-671	0.031±0.001	0.001±0.002	−0.077±0.004	−0.012±0.002	−0.007±0.001	0.025±0.001