Figure 2.

Reorganization of actin fibers caused by oxidative stress. ARPE-19 cells were treated with 1.5 mM H₂O₂ then processed for actin stain as described in the Methods. Fig. 2A: untreated; Fig. 2B: 15-min; Fig. 2C: 2-hour; Figs. 2D,2E and 2F: 4-hour after treatment. See text for detailed discussion of the results. Scale bar in Fig. 2F: 50 μm.