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Long non-coding RNA 00152 promotes cell proliferation in cervical cancer via regulating miR-216b-5p/HOXA1 axis.

Abstract：

OBJECTIVE:Several studies demonstrated that aberrant lncRNA expression contributes to cervical cancer (CC) development and progression. LINC00152, a novel lncRNA, has been identified as an oncogene involved in various cancers. In the present study, we aim to investigate the expression pattern, clinical significance, potential functional roles, and regulatory mechanism of LINC00152 in CC. PATIENTS AND METHODS:The transcription levels of LINC00152, miR-216b-5p, and HOXA1 in CC tissues and cell lines were detected by quantitative Real Time-Polymerase Chain Reaction (qRT-PCR). LINC00152 knockdown in CC cells was conducted by transfecting the LINC00152-specific siRNA. The cell proliferation ability was evaluated by the Cell Counting Kit-8 (CCK-8) assay. Cell cycle and apoptosis analysis were assessed by flow cytometry. The target relation among LINC00152, miR-216b-5p, and HOXA1 were measured using the dual-luciferase reporter assay. The protein levels of HOXA1 in CC cells were determined by Western blot. RESULTS:LINC00152 was up-regulated in CC tissues and cell lines. The high expression level of LINC00152 was positively correlated with poor prognosis and histologic grade in CC. The silence of LINC00152 could inhibit the proliferation of CC cells through inducing the cell cycle arrest at G0/G1 phase and promote apoptosis in vitro. Mechanically, we demonstrated that LINC00152 could modulate the proliferation of CC cells through elevating HOXA1 expression level via sponging miR-216b-5p based on bioinformatics analysis and experimental validation. CONCLUSIONS:Our findings revealed a novel molecular mechanism underlying LINC00152 modulating CC progression through the miR-216b-5p/HOXA1 pathway, suggesting that LINC00152 might potentially act as an effective diagnostic marker and therapeutic target for cervical cancer.

journal_name

Eur Rev Med Pharmacol Sci

journal_title

European review for medical and pharmacological sciences

authors

Zheng JJ,Du XJ,Wang HP,Zhou LY,Wang YJ,Zhang L,Xu H,Zhang J,Hu ZF

doi

10.26355/eurrev_201905_17789

subject

Has Abstract

pub_date

2019-05-01 00:00:00

pages

3654-3663

issue

eissn

1128-3602

issn

2284-0729

journal_volume

pub_type

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Long non-coding RNA 00152 promotes cell proliferation in cervical cancer via regulating miR-216b-5p/HOXA1 axis.