Table 1. IC50 values and killing efficacy of α-TOS, hrTRAIL, and hrTRAIL plus α-TOS in malignant mesothelioma and nonmalignant mesothelial cell lines.
α-TOS |
hrTRAIL |
hrTRAILα-TOS |
||||
---|---|---|---|---|---|---|
Cell type | IC50 (μM) | Max effect (% cell death) | IC50 (μg ml−1) | Max effect (% cell death) | IC50 (μg ml−1) | Max effect (% cell death) |
MM-B1 | 36±4 | 96±3 | 0.3±0.1 | 64±4 | 0.010±0.002 | 87±9 |
Meso-2 | 38±7 | 95±5 | 5.0±1.0 | 55±2 | 0.030±0.004 | 76±7 |
Ist-Mes | 35±6 | 96±4 | 0.7±0.1 | 32±5 | 0.100±0.050 | 69±10 |
Met-5A | 55±8 | 44±2 | 0.5±0.1 | 26±3 | 0.450±0.150 | 34±8 |
The IC50 values for α-TOS, hrTRAIL, and hrTRAIL (50 ng ml−1) plus α-TOS (30 μM) were calculated from dose–response curves of MM and nonmalignant mesothelial cells at 24 h of treatment. Data are expressed as mean±s.d. from three independent experiments.