Figure 1

Gelatine zymography of mini-BAL from representative patients with hospital-acquired pneumonia (Lane 1–7). MMP standard (lane 8). Gelatinolytic bands of pro-MMP-9 (92 kD), pro-MMP-9-lipocalin-complex (130 kD) and homodimeric MMP-9 (220 kD) are clearly visible.