TABLE 1

Comparison of Uptake of 3H-FLT and 14C-DG in Growth-Arrested Cells and in Cells Subcultured in Fresh Medium for 6 or 20 Hours

Cell typeGrowth state% S phase3H-FLT (37.0 kBq/mL)14C-DG (18.5 kBq/mL)
dpm/106 cellsUptake ratio (relative to plateau cells)dpm/106 cellsUptake ratio (relative to plateau cells)
A5498-d-old, unfed, plateau41,640 ± 3915,244 ± 161
Lung carcinoma6-h in fresh medium41,808 ± 811.16,688 ± 231.3
20-h in fresh medium3210,430 ± 2646.49,366 ± 1661.8