Table 6.

Percentage (%) of unstained and propidium iodide (PI)-stained cells under normal and etoposide conditions.

Sample		Untreated	Etoposide 20 μM	Etoposide 25 μM
HT29/mock	PI−	77 ± 1.91 †	71.2 ± 1.37 †	63.3 ± 2.33 †
	PI+	23 ± 2.16 †	28.8 ± 0.95 †	36.7 ± 1.44 †
HT29/ALDH1B1	PI−	80.5 ± 1.66 †	76.6 ± 1.14 †	71.1 ± 1.77 †
	PI+	19.5 ± 1.31 †	23.4 ± 2.03 †	28.9 ± 1.82 †
Statistical significance	PI− vs. PI−	-	*	***
	PI+ vs. PI+	-	*	***

^† Results are expressed as mean ± SD of three independent experiments. * p < 0.05 and *** p < 0.001.