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Long non-coding RNAs (lncRNAs) play key roles in various malignant tumors, including colorectal cancer (CRC). Long non-coding RNA differentiation antagonizing non-protein coding RNA (DANCR) is overexpressed in CRC patients, but whether it affects CRC proliferation and metastasis via regulation of heat shock protein 27 (HSP27) remains unclear. In the present study, we found that DANCR was highly expressed and correlated with proliferation and metastasis in CRC. In addition, we demonstrated that DANCR and HSP27 were both targets of microRNA-577 (miR-577) and shared the same binding site. Furthermore, we revealed that DANCR promoted HSP27 expression and its mediation of proliferation/metastasis via miR-577 sponging. Finally, using an in vivo study, we confirmed that overexpression of DANCR promoted CRC tumor growth and liver metastasis. The present study demonstrated the function of DANCR in CRC and might provide a new target in the treatment of CRC.


Yong Wang, Zhi Lu, Ningnin Wang, Jianzhou Feng, Junjie Zhang, Lan Luan, Wei Zhao, Xiandong Zeng. Long noncoding RNA DANCR promotes colorectal cancer proliferation and metastasis via miR-577 sponging. Experimental & molecular medicine. 2018 May 01;50(5):1-17

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PMID: 29717105

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