Fig. 3.

Induction of apoptosis in lung cancer cells by STX-0119. a After incubation with STX-0119 for 48 h, H1299, A549, and H23 cells were stained with Annexin V and PI solutions. b A549, H1299, and H23 cells were treated with STX-0119 for 48 h, followed by western blot analyses of whole-cell lysates using an anti-PARP antibody that recognizes cleaved PARP