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Overexpression of miR-641 inhibits the proliferation of lung cancer cells. (A) miR-641 was statistically increased in the mimic group compared to miR-NC. (B) Overexpression of miR-641 mimics inhibits the proliferation of human lung cancer A549 cells. Relative MTT absorbance. NC, negative control; MTT, 3-(4,5-dimethyl-2-thiazolyl)-2,5-diphenyl-2-H-tetrazolium bromide. *p < 0.05; **p < 0.01; ***p < 0.001.
