a b Calcium signal (F/F0) Calcium signal (F/F0) Supplementary Figure 1 EXECUTION PHASE SECONDARY NECROSIS 2.2 2.2 2.0 AMN depolymerization 2.0 AMN polymerization 1.8 1.8 1.4 TMRM (F/F0) Calcium signal (F/F0) 1.4 1.2 1.2 1.0 1.0 0.8 0.8 0.6 0.6 -60 -50 -40 -30 -20 -10 10 20 b Time (min) EXECUTION PHASE 1 hour ZOMBIE CELL hours/days 2.2 2.2 2.0 2.0 D 1.8 AMN polymerization 1.8 1.4 TMRM (F/F0) 1.4 Calcium signal (F/F0) 1.2 1.2 1.0 1.0 0.8 0.8 0.6 0.6 -60 -50 -40 -30 -20 -10 10 20 Time (min) Microtubule stabilization: Taxol Caspase inhibition: Zn2+ Antioxidant: Coenzyme Q Apoptotic stabilizer (zombie cocktail) 10 Supplementary Figure 1