Densitometric assessment of pulmonary (A) ICAM-1 to GAPDH transcript ratio and (B) VCAM to GAPDH transcript ratio in sham-operated control lungs (sham) and left lungs exposed to 1 hour of ischemia, followed by either 0.5 hours of reperfusion (group A), 5 hours of reperfusion (group B), or 24 hours of reperfusion (group C). Open bars indicate data from WT mice, while filled bars indicate data from eNOS-KO mice. Mean ± SD; * P < 0.05 versus sham, # P < 0.05 versus WT mice.