C14orf28 downregulated by miR-519d contributes to oncogenicity and regulates apoptosis and EMT in colorectal cancer.

C14orf28 [alias dopamine receptor-interacting protein (DRIP1)] is belonging to the family of DRIPs. However, the function of C14orf28 in cancer remains unclear. Herein, we found that C14orf28 was upregulated in colorectal cancer tissues compared to the adjacent non-tumor tissues. Overexpression of C14orf28 promoted the cellular proliferation, migration, invasion of colorectal cancer cells. In addition, C14orf28 inhibited apoptosis and promoted the EMT process. To explore the mechanism of dysregulation, C14orf28 was identified to be a target of miR-519d by targeting its 3'UTR. Furthermore, in agreement, C14orf28 overexpression counteracted the inhibitory effect of miR-519d. Together, these results evidenced that C14orf28 downregulated by miR-519d contributes to tumorigenesis and might provide new potential targets for colorectal cancer therapy.

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