TABLE 3.

Proliferation characteristics of keratinocytes and other cell types stably transduced to express hTERT

Transductant	Proliferation rate (PD/day)			Length of SGP (days)
	Parent cell line	During SGP	RDI cells
S1F/TERT-1	0.65		0.58	0
LP9/TERT-1	0.71		0.65	0
POE9n/TERT-1	0.80		0.96	0
N/E7/TERT-1	0.76		1.05	0
N/TERT-1	0.77	0.16	0.92	52
N/TERT-2G	0.77	0.23	0.76	23
N/TERT-2F	0.77	0.29	ND	89
LiF-Ep/TERT-1	0.68	0.03	0.61	27
LiF-Ep/TERT-2	0.68	0.08	0.66	33
OKF6/TERT-1	0.64	0.04	0.69	87
OKF6/TERT-1R	0.64	0.05	0.45	84
OKF6/TERT-2	0.64	0.10	0.86	28
OKF6/TERT-3	0.64	0.13		77
OKF4/TERT-1	0.73	0.07	0.66	34

^aValues were derived from Fig. 1 and similar plots of PD versus days in culture for other lines not shown in Fig. 1. ND, not determined.