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Western blot images of K562 cells exposed to various emodin formulations for 72 hours. (A) free emodin (0 refers to dimethyl sulfoxide); (B) TPGS liposomal emodin (0 refers to empty TPGS liposomes); (C) Tf-targeted TPGS liposomal emodin (0 refers to empty Tf-targeted TPGS liposomes).
Abbreviations: Bax, Bcl-2-associated X protein; Bcl-2, B-cell lymphoma-2; Mcl-1, myeloid cell leukemia 1; TPGS, D-α-tocopheryl polyethylene glycol 1000 succinate; Tf, transferrin.
