Toxicity of olanzapine derivatives towards MCF7 and MDA-MB-231 breast cancer cell lines. Half-maximal inhibitory concentrations (IC50) and maximal inhibition levels were calculated by fitting the normalized experimental values to three-parameter sigmoidal curve equationa.
Entry | Compound | MCF7 | MDA-MB-231 | ||
---|---|---|---|---|---|
IC50 | Maximal inhibition | IC50 | Maximal inhibition | ||
1 | Olanzapine | n/d | n/d | n/d | n/d |
2 | DOLA | 10.0 μM | 13.8% | 38.1 μM | 10.8% |
3 | 5 | 28.6 μM | 27.1% | 4.0 μM | 40.3% |
4 | 6 | n/d | n/d | 26.4 μM | 53.1% |
5 | 7 | 18.8 μM | 50.1% | 3.5 μM | 51.0% |
6 | 8 | 13.7 μM | 40.4% | 29.7 μM | 99.9% |
n/a, not determined due to lack of significant inhibition of cell viability.