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. 2010 Nov 3;119(2):335–345. doi: 10.1093/toxsci/kfq335

FIG. 10.

FIG. 10.

The signaling pathways of JNK in Cr(VI)-exposed skin epidermal cells. Cr(VI) increases intracellular ROS level in JB6 cells. The ROS generated by Cr(VI) contribute to JNK activation. The activated JNK leads to mitochondrial dysfunction and apoptosis. c-Jun, which was activated by JNK, mediates survival signaling through inhibition of p53 activation because of upregulation of SOD expression in Cr(VI)-exposed JB6 cells.