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Molecular and cellular biochemistry

miR-526a regulates apoptotic cell growth in human carcinoma cells.


PMID 26002288

Abstract

MicroRNAs (miRNAs) play vital roles in the regulation of cell cycle, cell growth, apoptosis, and tumorigenesis. Our previous studies showed that miR-526a positively regulated innate immune response by suppressing CYLD expression, however, the functional relevance of miR-526a expression and cell growth remains to be evaluated. In this study, miR-526a overexpression was found to promote cancer cell proliferation, migration, and anchor-independent colony formation. The molecular mechanism(s) of miR-526a-mediated growth stimulation is associated with rapid cell cycle progression and inhibition of cell apoptosis by targeting CYLD. Taken together, these results provide evidence to show the stimulatory role of miR-526a in tumor migration and invasion through modulation of the canonical NF-κB signaling pathway.