TABLE 1

IC50 and IC90 values for CHO and CHO-BiPOE clonogenic assays

Cell Lines and Treatments IC50 IC90
CHO
   Etoposide 2 h 3.4 μM 9.5 μM
   10 μM Thapsigargin 6 h + etoposide 2 h 4.1 μM 18.5 μM
   Irradiation 1.6 Gy 5.0 Gy
CHO-BiPOE
   Etoposide 2 h 1.5 μM 7.5 μM
   10 μM Thapsigargin 6 h + etoposide 2 h 0.9 μM 7.5 μM
   Irradiation 1.6 Gy 4.2 Gy