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논문 기본 정보

자료유형
학술저널
저자정보
Guolin He (Department of Gynecology and Obstetrics West China Second Hospital Sichuan University China) Lei He (Department of Gynecology and Obstetrics West China Second Hospital Sichuan University China)
저널정보
연세대학교 의과대학 Yonsei Medical Journal Yonsei Medical Journal 제62권 제6호
발행연도
2021.1
수록면
535 - 544 (10page)

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Purpose: Long non-coding RNAs (lncRNAs) are essential regulators in the development of ovarian cancer (OC). Nonetheless, thefunction of lncRNA DNM3 opposite strand/antisense RNA (DNM3OS) in OC remains unclear. This work aimed to investigate thebiological roles and underlying mechanisms of DNM3OS in OC. Materials and Methods: Quantitative real-time polymerase chain reaction was conducted to examine DNM3OS, microRNA(miR)-193a-3p, and mitogen-activated protein kinase 3 (MAP3K3) mRNA expression in OC tissues and cell lines. Kaplan-Meiersurvival analysis was employed to analyze the relationship between DNM3OS expression and the prognosis of OC patients. Cellcounting kit-8, 5-ethynyl-2'-deoxyuridine, and transwell experiments were conducted to monitor cell proliferation, migration,and invasion, respectively. Western blot was applied to examine epithelial-mesenchymal transition associated protein (E-cadherinand N-cadherin) expression. Luciferase reporter gene and RNA immunoprecipitation experiments were performed to confirmthe relationships among DNM3OS, miR-193a-3p, and MAP3K3. Pearson’s correlation analysis was adopted to analyze thecorrelations among DNM3OS, miR-193a-3p, and MAP3K3 mRNA. Results: DNM3OS expression was remarkably increased in OC tissues and cell lines, which was associated with the unfavorableprognosis of the patients. DNM3OS overexpression enhanced OC cell proliferation, migration, and invasion; suppressed E-cadherinprotein expression; and facilitated N-cadherin protein expression, while the transfection of miR-193a-3p mimics had the oppositeeffects. DNM3OS directly interacted with miR-193a-3p, and miR-193a-3p targeted MAP3K3 by directly binding to 3'UTR. DNM3OS could up-regulate the expression of MAP3K3 via repressing miR-193a-3p expression. Conclusion: DNM3OS, as an oncogenic lncRNA, increases the malignancy of OC cells via regulation of an miR-193a-3p/MAP3K3 axis.

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