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Analysis of intracellular caspase activity. The activity of (a) caspase 3 in Jurkat cells incubated in the absence (control) and the presence of 2·5 µm STS for 2 h, and (b) caspase 8 in the presence and absence of STS and together with a increasing concentration of the caspase 3 inhibitor DEVD-CHO.
