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Gene/protein expression of Bcl-2, Bax, caspase-3/cleaved caspase-3, and cleaved PARP in AF cells under different magnitudes (5, 10, and 20% elongations) of mechanical tension was analyzed. (A) Real-time PCR analysis. (B) Western blot analysis. Data are presented as mean ± S.D. (n=3). *: Indicates a statistical difference (P<0.05) between two groups.
