FIGURE 2.

RuRe-1 and RuRe-2 induced HeLa cells apoptosis measured by confocal microscopy with Hoechst 33342 staining (λ _ex = 405 nm, λ _em = 460 ± 20 nm). The incubation time of the compounds was 24 h. Arrows indicate apoptotic morphological nuclei. Scale bar: 20 μm.