Table 4.

Gray values for NF-кB p65 expression in lung tissue (mean ± SD, n = 5)

Group	1d	3d	7d	14d
PQ	139.54 ± 12.46a	188.78 ± 17.73a	140.49 ± 9.21a
BMSC	125.32 ± 10.63b	146.56 ± 12.55b	101.84 ± 7.45b	95.77 ± 8.12
MP	116.47 ± 8.91 c	127.82 ± 10.39c	103.37 ± 11.44e
BMSC + MP	115.15 ± 10.48cf	125.16 ± 9.83cf	96.41 ± 12.32d	89.75 ± 7.60d
Normal control	82.36 ± 6.53

Note: ^a P < 0.01, vs. normal control group; ^bP < 0.01, vs. PQ group; ^c P < 0.01, ^d P < 0.05, ^e P > 0.05, vs. BMSC group; ^fP > 0.05, MP group.