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Fig. 3 | Particle and Fibre Toxicology

Fig. 3

From: Human exposure to diesel exhaust induces CYP1A1 expression and AhR activation without a coordinated antioxidant response

Fig. 3

Immunoreactivity within the bronchial epithelium. Upper left shows immunoreactivity to NQO1 post-air exposure and upper right shows NQO1 post-DE exposure. Middle panel shows immunoreactivity to AhR antibody, middle left, post-air exposure and middle right, post-DE exposure. Immunoreactivity to P–C-Jun antibody is shown in lower panel, with lower left at post-air exposure and lower right at post-DE exposure. Narrow arrows indicate positive intracytoplasmic staining and bold arrows indicate nuclear staining. Scale bars = 50 μm (micro meters)

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