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. 2005 Sep 15;173(3):318–326. doi: 10.1164/rccm.200503-425OC

Figure 2.

Figure 2.

Cathepsin (cat) proteins during lung development and in BPD. Immunoblot and densitometry analysis for cat B, H, K, L, and S, and cystatin (cys) B and C proteins were performed in total lung homogenates obtained from 125-d, 140-d, ND, and BPD group baboons. Results are representative of three independent experiments using a total of 6–10 different study animals/group. The marker indicates 28 and 15 kD for cathepsin and cystatin immunoblots, respectively. Mean ± SEM values for all proteins are normalized to values in the 125-d gestation lungs. The total amount of protein loaded per lane is 4 μg for cat L, 5 μg for cys B, 10 μg for cat B, H, and K, and 15 μg for cat S immunoblots. *p < 0.05 versus 140 d; **p < 0.05 versus 125 d; p < 0.05 versus ND.