Hsa_circ_0043278 Functions As Competitive Endogenous RNA to Enhance Glioblastoma Multiforme Progression by Sponging MiR-638

Overview

Journal Aging (Albany NY)

Specialty Geriatrics

Date 2020 Nov 6

PMID 33154193

Citations 15

Authors

Zhi Wu

Maohua Zheng

Yonghong Zhang

Min Xie

Shilai Tian

Tao Ding

Lichao Li

Quanlin Guan

Affiliations

Soon will be listed here.

Abstract

Circular RNAs have a critical function in the pathogenesis of many diseases and can function as competing endogenous RNA or miRNA sponges to inhibit miRNA and therefore upregulate the expression of target genes. However, little is known about the role of has_circRNA_0043278 (circ_0043278) in glioblastoma multiforme (GBM) and its potential downstream miRNA targets. This work validated that circ_0043278 is highly expressed in GMB cell lines and tissues, while knockdown circ_0043278 inhibited GBM cell migration, proliferation, and invasion and tumorigenesis . Dual-luciferase reporter assay determined that circ_0043278 directly sponged miR-638 to upregulate the expression of HOXA9, which can activate downstream Wnt/β-catenin signaling in GBM. Moreover, miR-638 inhibition reversed circ_0043278 silencing-induced impairment of malignant tumor behavior. These results showed that circ-0043278/miRNA-638/ Homeobox A9 (HOXA9) axis had a vital function in promoting GBM progression. Our findings may provide potential new targets for the diagnosis and therapy of GBM.

Citing Articles

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