Table 3.

Gene expression summary

Target	Terminal bronchioles (TB)	Airway bifurcations (BF)	Mid-level bronchioles (AW)	Intrapulmonary airways (WA)	Whole lung (WL)
CCSP	6.06 ± 0.96§,†,*	6.29 ± 0.87§,†	7.67 ± 1.27§,†	2.75 ± 0.59§	1.02 ± 0.20
CGRP	7.30 ± 5.62§	10.41 ± 3.82	2.57 ± 0.82X	2.61 ± 0.98X	1.05 ± 0.35X
UGRP2	0.77 ± 0.34†	0.934 ± 0.40†	1.07 ± 1.03†	4.85 ± 1.04	1.02 ± 0.20†
SP-A	1.55 ± 0.44	0.69 ± 0.29‡	0.88 ± 0.35‡	0.58 ± 0.20‡	1.02 ± 0.20
SP-C	0.04 ± 0.01§	0.02 ± 0.01§	0.01 ± 0.00§	0.13 ± 0.05§	1.01 ± 0.18

^§Significantly different from WL.

^†Significantly different from WA.

^*Significantly different from AW.

^XSignificantly different from BF.

^‡Significantly different from TB.

Gene expression results reported as mean fold change ± 1 SD relative to whole lung.