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Figure 5 | Respiratory Research

Figure 5

From: MMP-9, TIMP-1 and inflammatory cells in sputum from COPD patients during exacerbation

Figure 5

Relationship between cell infiltration and MMP-9 in COPD sputum during an exacerbation. Neutrophil (Left hand panel) and lymphocyte (right hand panel) counts were carried out on sputum samples from COPD patients during exacerbation (n = 19), and corrected for weight of sputum. Measurement of MMP-9 levels was carried out on cell free sputum supernatants. Cell count data were expressed as million cells/g (log scale) and MMP-9 data as μg/g.

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