Research Article

Exposure to Air Pollution Exacerbates Inflammation in Rats with Preexisting COPD

Figure 7

The effect of PM2.5 exposure on mucus hypersecretion in rats with COPD. (a) Immunohistochemical staining of MUC5ac and MUC5b in the lung sections of each group (magnification, ×200). (b) Quantitative analysis of MUC5ac and MUC5b using Image-ProPlus 6.0 software. MUC5ac: Mucin5ac; MUC5b: Mucin5b; IOD: integral optical density. The data are expressed as the (). , .
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