Transduction of human hepatocellular carcinoma cells with human γ-interferon gene via retroviral vector

Table 2 Formation of tumors by parental and transduced hepatocellular carcinoma cells in nude mice

Cell	Incidence	Volume (cm3)	Weight (g)
QGY7701	8/8	5.58 ± 0.90	1.62 ± 0.36
QGY7701.3A	8/8	5.16 ± 16	1.60 ± 0.72
SMMC7721	7/7	3.87 ± 0.24	0.55 ± 0.12S
MMC7721.2C	5/6	1.26 ± 0.32a	0.28 ± 0.08a
BEL7404	8/8	4.32 ± 0.28	0.78 ± 0.14
BEL7404.6A	8/8	3.35 ± 0.21	0.50 ± 0.12
HHCL	8/8	2.04 ± 0.32	0.35 ± 0.18
HHCL.5D	1/7	0.15b	0.02b

All the values are measured at 6 weks after injection with equal amounts of cells (3 × 10⁶ each), and presented as the average value ± the standard error of the mean

^aP < 0.05, compared with SMMC7721 value by Student’s t test

^bP < 0.01, compared with HHCL value by Student’s t test