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

Figure 2

β-defensin-1 in inflammatory phenotypes. The airway expression β-defensin-1 protein is not different between inflammatory phenotypes of (a) asthma and (b) COPD. The bars represent the median of each group. EA = eosinophilic asthma; NA = neutrophilic asthma; PGA = paucigranulocytic asthma; MGA = mixed granulocytic asthma; E-COPD = eosinophilic COPD; N-COPD = neutrophilic COPD; PG-COPD = paucigranulocytic COPD; MG-COPD = mixed granulocytic COPD.

(a)

(b)