ArticleActa biochimica et biophysica Sinica2022
RP5-1148A21.3 (lncRP5) exerts oncogenic function in human ovarian carcinoma.
Article in Acta biochimica et biophysica Sinica, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed, 4 citations in OpenAlex.
- The Role of Noncoding RNA in MGMT-Positive Glioblastoma: A Narrative Review.Cancer medicine · 2026Review
- Role of non-coding RNAs in OOncology letters · 2026Review
- VEZF1 inhibits ovarian cancer cell ferroptosis and acts as an oncogene via the miR-545-3p/PLAG1 axis.Hereditas · 2026Article
- m5C-Modified lncRNA SNHG15 Promotes Ovarian Cancer Progression Via the miR-545-3p/PD-L1 Axis.Reproductive sciences (Thousand Oaks, Calif.) · 2025Article
- Article
- Current and future perspectives on the regulation and functions of miR-545 in cancer development.Cancer pathogenesis and therapy · 2024Review
- Long noncoding RNA KCNMB2-AS1 acts as an oncogene in ovarian cancer.Acta biochimica et biophysica Sinica · 2023Article
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Authors and funding
5 authors.
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Abstract
Ovarian cancer (OC) is a fatal gynecological malignancy that is difficult to diagnose at early stages. Various long non-coding RNAs (lncRNAs) are aberrantly expressed in OC and exert regulatory effects on OC; however, the underlying mechanism requires in-depth investigation. This work is designed to explore the molecular regulatory axis of a newly identified lncRNA in OC, that is, lncRNA RP5-1148A21.3 (lncRP5). RT-qPCR shows lncRP5 is significantly upregulated in OC patients and cell lines, and it is mainly located in the cytoplasm of OC cells. The results of CCK-8, colony formation, and transwell assays demonstrate that overexpression of lncRP5 greatly contributes to malignant behaviors of OC cells, while inhibition of lncRP5 shows the opposite effects. Moreover, the binding relationship between lncRP5 and miR-545-5p is predicted by bioinformatics and is further verified by luciferase assay. Functionally, the regulatory effects of lncRP5 and miR-545-3p are negatively related; miR-545-5p serves as a tumor suppressor in OC. Further studies demonstrate that PTP4A1 is the target gene of miR-545-5p. Overexpression of PTP4A1 abrogates the inhibitory function of miR-545-5p on OC cell growth and metastasis. The lncRP5/miR-545-5p/PTP4A1 axis is subsequently demonstrated in vivo, and knockdown of lncRP5 notably inhibits tumor growth. This study provides a novel regulatory mechanism of OC, which may contribute to the diagnosis and therapy of OC.
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