Long non-coding RNA PVT1 functions as an oncogene in ovarian cancer via upregulating SOX2.

European Review for Medical and Pharmacological Sciences
M-F ZouC-X Zhang

Abstract

The aim of this study was to identify the role of long non-coding RNA PVT1 (lnc-PVT1) in the progression of ovarian cancer. The expression of lnc-PVT1 in ovarian cancer cells and 50 paired tissue samples were detected by quantitative Reverse Transcriptase-Polymerase Chain Reaction (qRT-PCR). Moreover, cell proliferation assay and transwell assay were performed to identify the function of lnc-PVT1 in vitro. QRT-PCR and Western blot were utilized to explore the possible underlying mechanism. Compared with normal tissues, the expression of lnc-PVT1 T1 was remarkably upregulated in tumor tissues. Moreover, the proliferation and invasion of ovarian cancer were promoted after knockdown of lnc-PVT1 in vitro. Moreover, both the mRNA and protein levels of SOX2 were suppressed after knockdown of lnc-PVT1 in vitro. Besides, the expression of SOX2 in tumor tissues was positively correlated to lnc-PVT1. Lnc-PVT1 could enhance the invasion and proliferation of ovarian cancer cells through upregulating SOX2, which might serve as a new therapeutic target for the treatment of ovarian cancer.

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