Table 1. NDI values in untreated control cells, BK3C231-treated cells, 4NQO-treated cells and cells pretreated with BK3C231 prior to 4NQO induction.

Treatment	NDI value
Untreated control	1.78 ± 0.01
4NQO 1 μM	1.68 ± 0.03
BK3C231 50 μM	1.79 ± 0.01
BK3C231 6.25 μM + 4NQO 1 μM	1.74 ± 0.01
BK3C231 12.5 μM + 4NQO 1 μM	1.70 ± 0.01
BK3C231 25 μM + 4NQO 1 μM	1.74 ± 0.01
BK3C231 50 μM + 4NQO 1 μM	1.71 ± 0.01

NDI, nuclear index division; μM, micromolar; 4NQO, 4-Nitroquinoline 1-oxide.