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MicroRNAs are small noncoding RNAs that negatively regulate target mRNAs at the posttranscription level. Here, we show that miR-16 is upregulated in human laryngeal carcinoma tissues. Inhibition of miR-16 in HEp-2 laryngeal cancer cell line could suppress cell migration and enhance cell-cell adhesion. Subsequently, zyxin, whose expression is negatively regulated by miR-16, is confirmed to be a direct target gene of miR-16. Furthermore, overexpression of zyxin could also restrain cell movement and enhance cell-cell adhesion. The study of miR-16 and its target zyxin will shed light on diagnosis and therapy of laryngeal cancer. © 2011 IUBMB IUBMB Life, 63(2): 101-108, 2011 [ABSTRACT FROM AUTHOR]