| SIPS | Stress-induced premature senescence |
| MTT | 3-(4,5-Dimethylthiazol-2-yl)-2,5-diphenyl-tetrazolium bromide |
| XTT | 2,3-Bis-(2-methoxy-4-nitro-5-sulfophenyl)-2H-tetrazolium-5-carboxanilid |
| CTB | CellTiter Blue |
| IC50 | Inhibiting concentration, 50% |
| SE | Standard error |
| TB | Trypan blue |
| ROI | Region of interest |
| BG | Background |