Figure 3.
A: Age-dependent increases in DNA fragmentation in vessels of F344 rats. B: DNA fragmentation in carotid arteries of young, aged, and etenercept-treated aged F344 rats. Data obtained in vessels from rats 2 weeks after discontinuation of etanercept treatment are also shown. C: Caspase 3/7 activity in vessels of young, aged, and etenercept-treated aged F344 rats. Data ± SEM are normalized to the young mean values (n = 4 to 5 for each group). *P < 0.05 versus young, #P < 0.05 versus untreated.