Effects of EGCG on apoptotic signaling pathway in mesothelioma cells. (A) TUNEL assay was performed (right panel). The left panel shows DAPI staining. (B) Active fragments of casapase-3 were analyzed. (C) Cleaved PARP fragments were analyzed. (D) Expression levels of phospho-JNK and phospho-p38 were analyzed. (E) Phospho-p53 expression levels were analyzed.