Research Article

Expressions of MMP-12, TIMP-4, and Neutrophil Elastase in PBMCs and Exhaled Breath Condensate in Patients with COPD and Their Relationships with Disease Severity and Acute Exacerbations

Figure 4

Expressions of mRNA for (a) NE, (b) MMP-12, and (c) TIMP-4 in PBMCs from patients with stable COPD () and patients with AECOPD (). Data are presented as .
(a)
(b)
(c)