Table 3 Cytotoxicity screen of stably transfected HepG2 (ARE reporter). Cells were seeded at 2 × 104 cells/well in a 96-well plate overnight and then subsequently treated with 10 μM for all NCE (1–22), OA-NO2, DMF or CDDO-Im (0.1 and 1 μM) for 18 hours. Cell viability was determined by the MTT assay. The data was normalized to the media alone treatment (cells with new media) and expressed as a percent. All data represents the means ± SEM of at least three independent experiments (within each individual experiment, there was a minimum of four replicates per treatment). c, p < 0.01 vs DMSO.
Treatment | % control |
|---|---|
DMSO | 110.9 ± 3.8 |
1 | 117.0 ± 4.5 |
2 | 116.9 ± 5.2 |
3 | 117.3 ± 3.3 |
4 | 112.6 ± 3.7 |
5 | 113.4 ± 3.7 |
6 | 113.1 ± 5.1 |
7 | 110.3 ± 4.5 |
8 | 115.6 ± 5.5 |
9 | 114.9 ± 4.0 |
10 | 119.6 ± 3.4 |
11 | 117.1 ± 3.9 |
12 | 118.8 ± 6.7 |
13 | 123.6 ± 6.6 |
14 | 126.2 ± 4.4 |
15 | 118.4 ± 5.9 |
16 | 123.3 ± 4.2 |
17 | 127.2 ± 2.1 |
18 | 134.4 ± 3.6 |
19 | 141.6 ± 4.8 |
20 | 137.3 ± 2.5 |
21 | 145.3 ± 5.9 |
22 | 130.8 ± 2.6 |
OA-NO2 | 113.0 ± 3.8 |
DMF | 127.7 ± 7.7 |
0.1 μM CDDO-Im | 117.5 ± 3.3 |
1 μM CDDO-Im | 6.2 ± 13.9 c |