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Figure 3 Effects of Long-Term Voluntary Exercise on the Telomere Complex and Cellular Aging

Effects of long-term voluntary exercise (6 months) on (A) the ratio of heart weight to tibia length, (B) cardiac telomerase activity, (C) expression of TRF2, (D) p16, (E) Chk2, and (F) p53. *p < 0.05, **p < 0.01, n = 8 to 12 per group. Abbreviations as in Figures 1 and 2.