HER3 and <i>LINC00052</i> interplay promotes tumor growth in breast cancer

  • Salameh A
  • Fan X
  • Choi B
  • et al.
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Abstract

Here we report that the lncRNA LINC00052 expression correlates positively with HER3/ErbB3 levels in breast cancer cells. Gene silencing of LINC00052 diminished both LINC00052 and HER3 expression and reduced cancer cell growth in vitro and in vivo. LINC00052 overexpression promoted cancer cell growth in vitro and in vivo and increased HER3-mediated downstream signaling. Importantly, neutralization of HER3 signaling with HER3 targeting monoclonal antibodies blocked LINC00052 mediated cancer cell proliferation in vitro and tumor growth in vivo, suggesting LINC00052 promoting cancer growth through HER3 signaling. Taken together, our results indicate that high LINC00052 levels predict activation of HER3-mediated signaling, and LINC00052 expression level may serve as a potential biomarker for HER3 targeted antibody cancer therapies.

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Salameh, A., Fan, X., Choi, B.-K., Zhang, S., Zhang, N., & An, Z. (2016). HER3 and LINC00052 interplay promotes tumor growth in breast cancer. Oncotarget, 8(4). https://doi.org/10.18632/oncotarget.14313

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