The Isosteroid Alkaloid Imperialine from Bulbs of Fritillaria cirrhosa Mitigates Pulmonary Functional and Structural Impairment and Suppresses Inflammatory Response in a COPD-Like Rat Model

Figure 1

The effect of imperialine on (a) the body weight and (b) body weight growth of rats. Results were expressed as the mean ± SEM (). Significant differences compared with the control group were designated as and . Significant differences compared with the COPD group were designated as and .

(a)

(b)