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Circ_0001023 Promotes Proliferation and Metastasis of Gastric Cancer Cells Through miR-409-3p/PHF10 Axis

Authors Wang Y, Zhang J, Chen X, Gao L

Received 31 December 2019

Accepted for publication 2 April 2020

Published 22 May 2020 Volume 2020:13 Pages 4533—4544

DOI https://doi.org/10.2147/OTT.S244358

Checked for plagiarism Yes

Review by Single-blind

Peer reviewer comments 2

Editor who approved publication: Dr Leo Jen-Liang Su


Yongxiang Wang,1 Jianbin Zhang,2,3 Xiaochen Chen,2,3 Liang Gao2,3

1Department of Abdominal Surgery, Cancer Hospital of the University of Chinese Academy of Sciences (Zhejiang Cancer Hospital), Hangzhou 310022, Zhejiang Province, People’s Republic of China; 2Department of Oncology, Zhejiang Provincial People’s Hospital, Hangzhou 310022, Zhejiang Province, People’s Republic of China; 3Department of Oncology, People’s Hospital of Hangzhou Medical College, Hangzhou 310014, Zhejiang Province, People’s Republic of China

Correspondence: Xiaochen Chen
Department of Oncology, Zhejiang Provincial People’s Hospital, Hangzhou 310022, Zhejiang Province, People’s Republic of China
Tel +86-571-85893183
Email zhizaoer9326@163.com
Liang Gao
Department of Oncology, People’s Hospital of Hangzhou Medical College, Hangzhou 310014, Zhejiang Province, People’s Republic of China
Email yaniu04747@163.com

Background: Circular RNAs (circRNAs) have been well documented to regulate the gene expression via sponging microRNA (miRNA) in diverse neoplasms including gastric cancer (GC).
Methods: In the present study, the expressions of circ_0001023, miR-409-3p, and plant homeodomain finger 10 (PHF10) in GC tissues were detected by qRT-PCR. Chi-square test was performed to analyze the associations between circ_0001023 and pathological parameters. Cell Counting Kit-8 assay, colony formation assay, flow cytometry, and transwell assay were adopted to detect the role of circ_0001023/miR-409-3p axis in the proliferation, apoptosis, and migration of GC cells, respectively. The targeting relationship between circ_0001023 and miR-409-3p was investigated by dual-luciferase gene reporter gene assay. Additionally, subcutaneous xenotransplanted tumor model in nude mice was established to detect the function of circ_0001023 on GC growth in vivo.
Results: Compared with adjacent tissues, the expression of circ_0001023 was significantly upregulated and correlated with lymph node invasion and higher T stage of GC patients. It has also been proved that circ_0001023 could target miR-409-3p. Silencing circ_0001023 can impede the proliferation of GC cells and promote apoptosis, while miR-409-3p inhibitors can partially reverse the biological behavior of GC cells mentioned above. Moreover, the expression of circ_0001023 was reversely associated with miR-409-3p expression but positively correlated with PHF10, a downstream oncogene of miR-409-3p.
Conclusion: Collectively, it is concluded that circ_0001023 promotes the progression of GC via regulating miR-409-3p/PHF10 axis.

Keywords: gastric cancer, circ_0001023, miR-409-3p, PHF10

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