Table 1.

CD81 down-regulation in 293rVLP cells

		CD81- cells (%)
sh populations	ntshRNA	5.8
	shCD81 8	20.4
	shCD81 9	88.4
	shCD81 10	92.8
	shCD81 11	10.0
	shCD81 12	31.0
	shCD81 9+10+12	98.5
		CD81- cells (%)	Specific cell growth (h-1)	IC50 (µM tert-butyl hydroperoxide)	Specific RT productivity (10-6 ng/cell.h)
	293 rVLP	2.1	0.0201 ± 0.0002	3.3 ± 1.1	1.7 ± 0.3
	ntshRNA	0.8	0.020 ± 0.002	9.2 ± 1.4	2.3 ± 0.4
shCD81 9+10+12 clones	shCD81 #9	86.4	0.0124 ± 0.0004	15.4 ± 1.0	0.9 ± 0.2
	shCD81 #14	97.1	0.021 ± 0.002	4.5 ± 1.1	2.0 ± 0.4
	shCD81 #19	92.9	0.015 ± 0.001	6.5 ± 1.1	1.2 ± 0.2
	shCD81 #22	88.9	0.018 ± 0.001	6.0 ± 1.1	1.8 ± 0.4
	shCD81 #30	82.3	0.017 ± 0.001	5.6 ±1.0	1.4 ± 0.2