Nrf2-Target Approaches in Cancer Chemoprevention Mediated by Dietary Phytochemicals

Cancer chemoprevention with natural phytochemical compounds is an emerging strategy to prevent, impede, delay, or cure cancer. This chapter reviews the basic methods used to study the cancer chemopreventive potential of dietary phytochemicals acting by activating the transcriptional factor, nuclear factor-erythroid 2-related factor 2 (Nrf2 or NFE2L2), a basic-region leucine zipper (bZIP) transcription factor that regulates the expression of many phase II detoxifying/antioxidant enzymes. The Nrf2-target approaches in cancer chemoprevention comprise different methods including examining the Nrf2 signaling pathway, Nrf2-deficient tumor mouse models, pharmacokinetics (PK)/pharmacodynamics (PD) assessment, and epigenetic regulation.