Movie S4.

A human glioblastoma cell undergoing apoptosis. A human glioblastoma LN229 cell stably expressing iCasper was imaged in the GFP and IFP channel upon addition of 1 μM staurosporin. Images were taken every 10 min. The green and infrared fluorescence images were merged. The movie was taken under a 40× objective lens. The cell has a diameter of about 20 nm.