| PARP | poly ADP-ribose polymerase |
| cl-PARP | cleaved poly ADP-ribose polymerase |
| CHOP | C/EBP homologous protein antibody |
| eIF2α | eukaryotic initiation factor 2α |
| ATF4 | activating transcription factor 4 |
| PERK | Protein kinase R-like endoplasmic reticulum kinase |
| PBS | Phosphate-buffered saline |