Airway β-Defensin-1 Protein Is Elevated in COPD and Severe Asthma

Figure 1

β-defensin-1 in airway disease. The airway expression of β-defensin-1 protein is elevated in participants with COPD compared to asthma patients and healthy controls (Kruskal-Wallis test; ). The bars represent the median of each group. Dunn’s post hoc testing .