Figure 10From: The crucial role of particle surface reactivity in respirable quartz-induced reactive oxygen/nitrogen species formation and APE/Ref-1 induction in rat lung(A) Representative image of Western blot investigation of the expression of APE/Ref-1 protein in nuclear and cytosolic extracts of alveolar macrophages (NR8383) as well as rat lung epithelial cells (RLE) cultured in complete medium. (B-C) Immunocytochemical image of (B) APE/Ref-1 staining and (C) Hoechst nuclear counter-staining in RLE cells. Original magnification of × 1000.Back to article page