[Retracted] Effects of Treadmill Exercise on Mitochondrial DNA Damage and Cardiomyocyte Telomerase Activity in Aging Model Rats Based on Classical Apoptosis Signaling Pathway

Figure 1

TUNEL staining results of three groups of rat cardiomyocytes (×400): (a) the control group; (b) the 3 times/w exercise group; (c) 6 times/w exercise group.

(a)

(b)

(c)