Table 1.

Effects of cytochalasin B against murine cancer lines in vitro

CB exposure time	3 h		2 days		3 days		4 days
IC concentrations (μM)	IC50	IC80	IC50	IC80	IC50	IC80	IC50	IC80
M109c	2.56	12.23	0.83	6.02	0.42	3.77	0.25	0.75
B16F10	ND	ND	0.80	3.50	0.46	1.59	0.37	1.21
B16BL6	10.46	44.86	2.10	20.04	0.96	17.03	0.87	10.41
P388/ADR	105.5	188.4	6.23	10.45	4.24	6.47	ND	ND
P388/S	51.9	84.1a	3.10	5.02	ND	ND	ND	ND

ND Not determined, ^a2.5 h