Fig. 5.
Caspase activation in sensitive, CD95-resistant, and DX-resistant CEM cells. Sensitive (CEM), CD95-resistant CEM (CEMCD95-R), and DX-resistant CEM cells (CEMDX-R) were treated for 1.5 hours with anti–APO-1 (1 μg/mL). Caspase activity was measured by FACS analysis as described in Fig 1.