Activities of caspases-3/7 from cell lysates after treatments were measured using Cell Meter Caspase 3/7 Activity Apoptosis Assay Kit (Cat. No. 22797) (AAT Bio, Sunnyvale, CA) according to the user manual. Final results were read at 520 nm in a microplate reader (Bio-Rad, Hercules, CA) and expressed as fold change in caspase-3/7 activity relative to the control.
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