Table 1.

Tumorigenicity of CAL51, PFN1-transfected CAL51 Clones, and Microcell Hybrid CAL/17-5 Cells

			Tumor volume (mm3)
Cell line	Inoculated cells per animal	Mice with tumor/mice injected	1 wk	2	3	4	5	6	7	8	9	10
CAL51	106	4/4	2	15	144	240	301	368	653	701	846	918
	105	4/4	0	1	5	81	90	180	322	404	553	746
CAL/P-23	106	1/2	0	0	0	0	0	0	10	32	63	147
	105	0/2	0	0	0	0	0	0	0	0	0	0
CAL/P-25	106	2/5	0	0	0	0	0	0	25	38	62	62
	105	0/3	0	0	0	0	0	0	0	0	0	0
CAL/17-5	106	0/3	0	0	0	0	0	0	0	0	0	0
	105	0/3	0	0	0	0	0	0	0	0	0	0