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SW-exo delivered pivotal miR-140-3p to H9c2 cells for promoting the expression of Bcl-2 and inhibiting the expressions of Bax, cleaved caspase-3, and NF-κB p65. (A) Western blotting was used to detect the expression of Bcl-2, Bax, cleaved caspase-3, and NF-κB p65 in cardiomyocytes, normalized to the GAPDH protein. (B–E) Protein bands were analyzed using ImageJ software. Data are presented as mean ± SD, n = 3. *p < 0.05, **p < 0.01.
