Abstract
Background: MicroRNAs (miRNAs) play crucial roles in head and neck squamous cell carcinoma (HNSCC). This study investigates whether miR-31, miR-96, and miR-182 are involved in targeting Numb during HNSCC. Methods: The expression of miR-31/96/182 in tumor tissues was analyzed. Reporter assay, knockdown, expression, and oncogenic analysis were carried out in cell lines. Results: Upregulation of miR-31/96/182 was detected in tumor tissues. In addition, advanced tumors showed higher expression levels of these miRNAs. The expression of these miRNAs was upregulated after treatment with areca ingredients (P <.01 or P <.001). These miRNAs directly targeted the 3′ untranslated region (UTR) sequence of the Numb gene. An increased migration and invasion of HNSCC cells was associated with the exogenous expression of miR-31/96/182 (P <.01 or P <.001), and this was reverted by expression of Numb. Conclusion: This study provides new evidence demonstrating that there is frequent and concordant upregulation of miR-31, miR-96, and miR-182 during HNSCC and these miRNAs co-target Numb.
Original language | English |
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Pages (from-to) | 808-817 |
Number of pages | 10 |
Journal | Head and Neck |
Volume | 40 |
Issue number | 4 |
DOIs | |
State | Published - Apr 2018 |
Keywords
- Numb
- carcinoma
- miR-182
- miR-31
- miR-96
- mouth