3 years ago

Long noncoding RNA LINC00115 promotes breast cancer metastasis by inhibiting miR‐7

Chunlei Yuan, Xuliang Luo, Sijia Duan, Liangyun Guo

Breast cancer is the second leading cause of cancer‐related deaths in women. The long noncoding RNA (lncRNA) LINC00115 has been reported to be involved in the poor outcome of patients with breast cancer, but the biological function and underlying mechanism remain unclear. Here, we report that LINC00115 expression is increased in triple‐negative breast cancer (TNBC) tissue compared with matched normal tissue, and LINC00115 knockdown suppresses breast cancer cell migration and invasion. Furthermore, we show that LINC00115 directly targets miR‐7 and inhibits its expression. LINC00115 also reduces the expression of KLF4, which is a direct target of miR‐7 and is involved in breast cancer metastasis. Together, our findings suggest that LINC00115 promotes breast cancer metastasis through modulating the expression of miR‐7 and KLF4.

Open access
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