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. 2018 Mar 27;9:287. doi: 10.3389/fphar.2018.00287

FIGURE 1.

FIGURE 1

Topical bixin application activates NRF2 in SKH1 mouse skin. SKH1 Nrf2+/+ mice were treated with PEG400 vehicle control (-) on half of their dorsal skin and 1% bixin (+) on the other half. Skin tissues were collected 1 day later. (A) Protein expression of NRF2 and its downstream genes in skin tissue lysates as assessed by immunoblot analyses in four individual mice. Protein expression was quantified, normalized, and represented as fold change compared to controls. (B) Histological analyses by H&E and immunohistochemical staining for NRF2 and its target gene GCLM. Images representative of specific treatment groups are shown. Scale bar: 10 μm. p < 0.05 compared to Ctrl.