growth/size/body
• mutants look smaller than wild-type littermates; at 7 months, a 14.3% reduction in body weight compared to wild-type is observed
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immune system
• after LPS treatment, lung injury is more severe in mutants than in wild-type; mutants show hemorrhaged alveoli, massive inflammatory leukocyte infiltration, and thickened airways, while wild-type show alveolar effusion and moderate numbers of inflammatory cells
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respiratory system
• after LPS treatment, lung injury is more severe in mutants than in wild-type; mutants show hemorrhaged alveoli, massive inflammatory leukocyte infiltration, and thickened airways, while wild-type show alveolar effusion and moderate numbers of inflammatory cells
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cellular
• at low and high doses of LPS, 33.5% and 62.5%, respectively, of alveoli in mutant lungs are positive for oxidized DNA marker,8-OHdG whereas control lungs show no 8-OHdG at low or high doses of LPS
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