Paeoniflorin Attenuated Oxidative Stress in Rat COPD Model Induced by Cigarette Smoke
Histological analysis and airway inflammatory scores revealed typical pathological features. The right lung was removed for histopathologic examination using hematoxylin and eosin staining. (a) Normal Control (NC) group. (b) COPD model group. (c) Budesonide group. (d) Paeoniflorin middle-dose group. Original magnification, ×200. 1–3 presented the histology of lung at three stages, 12 weeks, 24 weeks, and 36 weeks, respectively. (e) The severity of airway inflammation scores. , compared with the Normal Control group. , , compared with the COPD group. , compared with Budesonide group.
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