TABLE 4.

Summary of gene expression changes between 3 and 6 months of age (statistically significant changes compared to Filtered Air controls are highlighted in bold)

Gene	FA (ΔΔCt)	HD (ΔΔCt)	P value	Ozone (ΔΔCt)	P value	HD/Ozone (ΔΔCt)	P value
V70	1.3700	0.994	NS	0.8790	NS	1.2500	NS
V55	0.9920	0.6499	NS	0.9970	NS	0.8730	NS
P311	0.5740	1.2100	NS	1.1090	NS	0.9890	NS
TGFβ	1.1800	0.7520	0.0220	0.8520	0.0600	0.5750	0.0030
HGF	0.9660	1.3430	NS	1.3640	NS	1.1610	NS
KGF	0.8790	1.0700	0.0510	1.3220	0.0020	1.0060	NS
VEGFr1	1.5900	1.5600	NS	2.0620	NS	1.1530	NS
VEGFr2	1.1000	1.1000	NS	1.1500	NS	0.7800	NS
PDGFβ	0.7740	1.0200	NS	1.1390	NS	0.7330	NS
PDGFα	0.8400	1.2880	NS	1.4740	NS	1.1800	NS
PlGF	1.6230	2.1100	NS	0.7800	NS	0.8960	NS
PEDF	0.9070	2.9660	0.0040	1.3050	NS	1.4810	NS
Ang2	0.9010	1.5440	NS	1.5400	NS	1.4640	NS
ANG1	1.2350	1.1900	NS	1.1800	NS	0.9640	NS
bFGF	0.6470	1.2200	NS	1.3600	NS	1.3730	NS
aFGF	0.8800	1.2600	NS	1.7830	0.011	1.2330	NS