Hsa_circ_0084927 Regulates Cervical Cancer Advancement via Regulation of the miR-634/TPD52 Axis

Hsa_circ_0084927 Regulates Cervical Cancer Advancement via Regulation of the miR-634/TPD52 Axis

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Peijing Shi,1 Xiaoyong Zhang,1 Chunxiang Lou,1 Yunxia Xue,1 Ruibao Guo,1 Shuzhen Chen2 1Department of Gynaecology, The Third Hospital cnd be demure of Ji’nan, Jinan, People’s Republic of China; 2Department of Pathology, The Third Hospital of Ji’nan, Jinan, People’s Republic of ChinaCorrespondence: Peijing ShiDepartment of Gynaecology, The Third Hospital of Ji’nan, Jinan, Shandong 250132, People’s Republic of ChinaEmail shipeijing223@163.comBackground: Cervical cancer (CC) is a common gynecological tumor that affects women’s health.Circular RNA hsa_circ_0084927 (hsa_circ_0084927) has been reported to be upregulated in CC.

However, the role and regulatory mechanism of hsa_circ_0084927 in CC are unclear.Methods: Expression of hsa_circ_0084927, microRNA (miR)-634, and tumor protein D52 (TPD52) mRNA in CC tissues and cells was examined by quantitative real-time polymerase chain reaction (qRT-PCR).The proliferation, colony formation, cell cycle progression, apoptosis, migration, and invasion of CC cells were determined with cell counting kit-8 (CCK-8), plate clone, flow cytometry, or transwell assays.

The levels of cyclin D1, cleaved-caspase-3 (c-caspase 3), matrix metalloproteinase (MMP)-2, MMP-9, and TPD52 protein elbeco adu ripstop pants were evaluated with Western blotting.The targeting relationship between hsa_circ_0084927 or TPD52 and miR-634 was verified via dual-luciferase reporter and/or RNA immunoprecipitation (RIP) assays.Xenograft assay was conducted to confirm the role of hsa_circ_0084927 in vivo.

Results: Hsa_circ_0084927 and TPD52 were upregulated while miR-634 was downregulated in CC tissues and cells.Hsa_circ_0084927 silencing reduced tumor growth in vivo and induced cell cycle arrest, apoptosis, and curbed proliferation, colony formation, migration, and invasion of CC cells in vitro.Hsa_circ_0084927 regulated TPD52 expression through sponging miR-634.

MiR-634 inhibitor reversed hsa_circ_0084927 knockdown-mediated impact on the malignancy of CC cells.TPD52 elevation abolished the repressive influence of miR-634 mimics on the malignancy of CC cells.Conclusion: Hsa_circ_0084927 accelerated CC advancement via upregulating TPD52 via sponging miR-634, offering a new evidence to support hsa_circ_0084927 as a promising target for CC treatment.

Keywords: CC, hsa_circ_0084927, miR-634, TPD52.