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Figure 2: Protandim induced Nrf2 expression and nuclear localization. HCAECs were treated with Protandim for 1 hr, following which immunofluorescence was used to visualize changes in Nrf2 expression and localization. Following Protandim treatment Nrf2 signal was greater and became visible in the nucleus. Ptd: Protandim, Ctr: no Protandim.