Effects of Maxingloushi decoction on immune inflammation and programmed death markers in mice with chronic obstructive pulmonary disease

Li Li, Jun Yan, Lin-qin Ma, Wei Bi, Cai-jun Wu

Figure 2. H&E staining and IHC staining of lung tissue (left×20, right×40). IHC: immunohistochemistry. Group A: normal group; group B: COPD model group; group C: Maxingloushi decoction + COPD group; group D: PD-1 inhibitor + COPD group.