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miR-503 expression is down-regulated in CRC tissues and cell lines. A. Relative expression levels of miR-503 in CRC tissue samples and adjacent normal tissues analyzed by qRT-PCR. B. Relative expression levels of miR-503 in CRC cell lines and normal colonic cell line FHC analyzed by qRT-PCR. Data are mean ± SD of three independent experiments. *P < 0.05.
