Research Article

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 4

The effect of imperialine on the number of (a) total white blood cells (WBC) and (b) different types of WBC in the blood. 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)