Table 1. Cytotoxicitya for Porphyrin Conjugates Using Human Glioma T98G Cells and Major Localization Sites in Human HEp2 Cells.
| compd | dark toxicity IC50 (μM) | phototoxicity IC50 (μM) | major sites of localization |
|---|---|---|---|
| 1 | >400 | >100 | Lyso, Mito, Golgi |
| 3 | >400 | >100 | Mito, Golgi, ER |
| 4 | >400 | >100 | Lyso, Mito, Golgi |
| 5 | >400 | >100 | Lyso, Mito, Golgi |
| 6(17) | 296 | >100 | Lyso, Mito, ER |
| 7 | >400 | >100 | Lyso, Mito, Golgi |
| 8 | >400 | >100 | Lyso, Mito, Golgi |
CellTiter Blue assay; light dose ∼ 1.5 J/cm2.