HOTAIR contributes to the growth of liver cancer via targeting miR-217

Oncology Letters
Li-Ping WangXin-Ping Wang

Abstract

Non-coding RNAs are important in the progression of liver cancer. The present study aimed to investigate the effects of long non-coding RNA HOX transcript antisense RNA (HOTAIR) on the proliferation of liver cancer and the association between HOTAIR and microRNA (miR)-217. It was demonstrated that the expression of HOTAIR was upregulated in liver cancer tissues and 3 liver cancer cell lines (MHCC97H, HepG2 and Hep3B). Inhibition of HOTAIR with HOTAIR small interfering (si) RNA lentiviral vectors significantly suppressed the cell proliferation of HepG2 cells, and downregulated the protein expression levels of two proliferation markers, Ki67 and proliferating cell nuclear antigen (PCNA). Furthermore, inhibition of HOTAIR induced G0/G1 cycle arrest by increasing the expression of p27 and decreasing the expression of cyclin D1. It was then predicted and verified that miR-217 was the target of HOTAIR. Expression of miR-217 was downregulated in liver cancer tissues and the 3 liver cancer cell lines. Further results revealed that inhibition of HOTAIR markedly upregulated the expression of miR-217 in HepG2 cells, and miR-217 inhibitor-induced reduction of miR-217 was significantly suppressed by HOTAIR inhibition. Furthermore, the incre...Continue Reading

Citations

Oct 27, 2018·Journal of Cellular Biochemistry·Kai-Bin HuangJin-Fang Zhang
Aug 30, 2018·Non-coding RNA·Mabel Yin-Chun YauChi-Ming Wong
Dec 30, 2020·International Journal of Molecular Sciences·Miguel Ángel Cáceres-DuránAmanda Ferreira Vidal
Aug 11, 2021·Molecular Biology Reports·Nur Selvi GunelCigir Biray Avci

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