Figure 4From: Deregulation of apoptosis mediators' p53 and bcl2 in lung tissue of COPD patientsImmunohistochemical staining of bcl2 protein in human lung tissue. Positive bcl2 LYM and negative bcl2 PN II and AM (black arrows) in: (A) representative COPD smoker and (B): representative non-COPD smoker. (C): Quantitative analysis (mean ± SD) of bcl2 expression ratio (positive cells/total cells) in three different cell types (PN II, AM, LYM).Back to article page