NFE2-related factor 2 (NRF2) has apparently contradictory roles in cancer. Activation of NRF2 contributes to the chemopreventive effects of various clinically used drugs against various diseases including cancer. However, NRF2 activity can also accelerate tumorigenesis in mouse models, thus highlighting a potential danger of NRF2 activation. This Opinion article discusses how these opposing roles might be reconciled.
- Michael B. Sporn
- Karen T. Liby
