passages.id: split_6_test_109_passage
passages.type: progene_text
passages.text: The caspase inhibitors benzyloxycarbonyl-Val-Ala-Asp-fluoromethylketone ( zVAD - fmk ) and benzyloxycarbonyl - Asp - Glu-Val-Asp-fluoromethylketone ( zDEVD-fmk ) protect cells against apoptosis and inhibit DEVD - specific caspase activity and PARP cleavage without affecting JNK1 and p38 MAPK activations .