Abstract:NF-E2 related factor 2 (Nrf2) plays a pivotal role in cytoprotection against carcinogens and oxidants. Activating Nrf2 has been widely suggested as a key chemopreventive strategy against cancer and other diseases. Here, we show that Nrf2 faces a serious dilemma in dealing with 4-aminobiphenyl (ABP), a major human bladder carcinogen from tobacco smoke and other sources. ABP is metabolized/activated primarily in the liver. While Nrf2 significantly protected mouse liver against ABP in vivo, bladder DNA damage was… Show more
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