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 1

Expressions of protein for (a) MMP-12 and (b) TIMP-4 in EBC from patients with COPD () and healthy controls (). Expression of protein for (c) MMP-12, (d) TIMP-4, and (e) NE in serum from patients with COPD () and healthy controls (). All data are presented as .

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