Figure 2.
Microwave irradiation induces mitochondrial damage without a heat-stress response. After microwave irradiation or thermal treatment followed by a 3-h incubation period, cells were examined for (A) Bcl-2 and Bax expression; (B) mitochondrial membrane potential, by staining with JC-1; and (C) HSP70 expression, measured using ELISA. The uncropped western blot images are shown in Fig. S3. Data are expressed as the means ± SD of 4 independent experiments. *P < 0.05 and **P < 0.01 versus the negative control.