. 2014 Apr 24;5(9):2807–2819. doi: 10.18632/oncotarget.1921

Table 2. Combination index of the HCT 116 isogenic cell lines, namely p21 ^+/+ and p21 ^−/- were studied.

Synergy was observed in the former, while antagonism was seen in the latter.

	Cell Line	ED50	ED75
1	HCT116 p21 +/+	0.56315	0.64849
2	HCT116 p21 −/−	2.46 × 103	6.19 × 104

Table 2. Combination index of the HCT 116 isogenic cell lines, namely p21 +/+ and p21 −/- were studied.