2 Apoptosis of airway-derived T-cells and epithelial cells in chronic obstructive pulmonary disease (COPD)
| Method | Control | COPD | p-value |
| Epithelial cell | |||
| 7-AAD | 18.2±12.1 | 33.2±14.1 | 0.008# |
| Annexin | 15.0±8.6 | 31.0±10.0 | 0.008# |
| ssDNA | 14.0±7.2 | 36.3±15.8 | 0.001# |
| Caspase | 37.6±15.6 | 65.1±6.2 | 0.004# |
| T-cell | |||
| 7-AAD | 9.1±6.0 | 21.3±9.7 | 0.001# |
| Annexin | 11.7±9.9 | 27.9±12.4 | 0.002# |
| ssDNA | 21.1±13.0 | 51.0±7.9 | 0.0005# |
| Caspase | 17.8±9.9 | 28.2±13.5 | 0.042# |
Data (% of cells exhibiting positive staining measured by flow cytometry) presented as mean±sd. ssDNA: single-stranded DNA. #: significant difference from control group.