Figure 3. TNFshRNA attenuated cold-induced pulmonary artery remodeling.
A) Hematoxylin and eosin (H&E) staining was performed in paraffin embedded lung sections (5 µm). Morphometric analysis of third order pulmonary arteries (50–80 µm) was performed to evaluate the B) lumen diameter, C) lumen area and D) medial layer thickness. Data=means±SEM. *p<0.05, **p<0.01, ***p<0.001 vs. Warm PBS; ^p<0.05, ^^^p<0.001 vs. Cold PBS. Photos are shown at 400x. Arrows indicate pulmonary artery and scale bars are 50 µm. N=6.