Figure 3From: Deregulation of apoptosis mediators' p53 and bcl2 in lung tissue of COPD patientsImmunohistochemical staining of p53 protein in human lung tissue. Positive p53 PN II and AM and negative p53 LYM in (A) representative COPD smoker, and (B) non-COPD smoker. (C): Quantitative analysis (mean ± SD) of p53 expression ratio (positive cells/total cells) in three different cell types (PN II, AM, LYM). (** p < 0.05)Back to article page