Number of neutrophils in the lamina propria per high power field (400×).

Note: H&E stained tissues were observed under a microscope. The number of neutrophils was calculated in 10 random fields at 400× magnification. Data are expressed as Mean±SD. Two way ANOVA showed significant interactions over time between treatments (all p<0.01). No differences were detected between PC61+irradiation compared to Rat IgG+irradiation treatment groups (p≥0.834). No significant differences were found between groups treated with PC61+sham irradiation compared to Rat IgG+sham irradiation (all p>0.05). Differences between all other pair-wise comparisons of treatment group profile over time were significant (p<0.05). All post hoc pairwise comparisons were performed with Tukey's multiple comparisons.