The LncRNA HOXA11-AS Regulates Rab3D Expression by Sponging MiR-125a-5p Promoting Metastasis of Osteosarcoma

Overview

Journal Cancer Manag Res

Publisher Dove Medical Press

Specialty Oncology

Date 2019 Jun 14

PMID 31191012

Citations 15

Authors

Kun Cao

Yueyang Fang

Hao Wang

Zheng Jiang

Li Guo

Yong Hu

Affiliations

Soon will be listed here.

Abstract

Many studies have shown that long non-coding RNAs (lncRNAs) are closely related to various cancers. This study aims to explore the roles of lncRNA HOXA11-AS in the development and progression of osteosarcoma (OS). The expression levels of HOXA11-AS and miR-125a-5p in tumor tissues and the adjacent tissues were detected by RT-PCR method. The proliferation, migration and invasion of MG-63 and KHOS cells were determined. It was found that HOXA11-AS expression levels in OS tissues and OS cell lines were higher than those in OS adjacent tissues and normal human osteoblast cell lines. The higher expression level of HOXA11-AS was positively correlated with more severe clinical stage, distant metastasis and poor prognosis of OS. Inhibition of HOXA11-AS expression could reduce metastasis and invasion of OS cell lines. In addition, HOXA11-AS was found to be an endogenous inhibitor of miR-125a-5p, it down regulated the expression level of miR-125a-5p, and this process could promote the expression of Rab3D, the target gene of miR-125a-5p. Our study elucidated the role of a new HOXA11-AS/miR-125a-5p/Rab3D regulatory pathway in promoting OS metastasis.

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