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. 2016 Dec 20;11(12):e0168688. doi: 10.1371/journal.pone.0168688

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© 2016 Salama et al

This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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Fig 8 — Lung sections of (a) normal rats showing no COX-2 immune-stained cells, (b) ipPDC-treated rats showing COX-2 immune stained cells lining the bronchiolar mucosa and alveolar wall, (c) inPDC (0.5 mg/kg)-treated rats showing COX-2 immune-stained cells lining the bronchiolar mucosa and alveolar wall as well as in the alveolar lumina, (d) inPDC (1 mg/kg)-treated rats showing abundant COX-2 immune-stained cells lining the bronchiolar wall and the peribronchiolar tissue, and (e, f, g & h) inPDC (2 mg/kg)-treated rats showing (e) COX-2 immune-stained cells that appeared intensely brown lining the bronchiolar wall, (f) COX-2 immune-stained cells in the peribronchial tissue, (g) COX-2 immune-stained cells in the perivascular tissue, and (h) COX-2 immune-stained cells in the alveolar lumen. (COX-2 immunohistochemical staining, X40).