CASP3 and lymphoma: The percentages of lymphoma cells that were positive for activated caspase 3 were hWJSC-CM (21% O2): 41.7 ± 1.00%, hWJSC-CM (10% O2): 41.17 ± 0.68, hWJSC-CM (5% O2): 57.5 ± 0.26%, and control: 15.6 ± 0.40%.