Figure 1.

GT induces apoptosis in MEFs. wt MEFs were incubated with or without 1 μM GT for 4 h and stained with Hoechst 33342 (A) or annexin V–FITC plus PI (B), and fluorescence images were taken as described in Materials and methods. Bars: (A) 25 μm; (B) 40 μm.