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(A and B) MCF-7 and MDA-MB-231 cells were transfected with microRNA-15, 16, 17 and 221 for 24 h followed by treatment with Cisplatin, Etoposide or C-10 and incubated for 24 h. Western blot analysis showing decrease in levels of Bcl-2, STAT3 and VEGF proteins. GAPDH was used as loading control in all combinations separately.
