Although we did not identify which cells were undergoing apoptosis,47 others50 51 52 have reported increased numbers of lung structural cells undergoing apoptosis in emphysematous lungs.

• 尽管我们无法确定是何种细胞进行细胞凋亡，但是已经有报道指出气肿型的肺部内，数目增多的肺部组织细胞进行着细胞凋亡。