ArticleDiscover oncology2024
Circ_0001068 accelerates the development of ovarian cancer by promoting FXYD5 expression through inhibiting mir-149-5p activity.
Article in Discover oncology, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- The regulatory mechanisms and clinical translation potential of RNA-binding protein RALY in tumors.Frontiers in oncology · 2026Review
- Vascular protection by young circulating extracellular vesicles ameliorates aging-related pulmonary fibrosis.American journal of physiology. Cell physiology · 2025Article
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Authors and funding
4 authors.
Funding
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Abstract
backgroundOvarian cancer (OC) is one of the common malignancies of the female reproductive organs. Microarray analysis shows that circ_0001068 is upregulated in OC patients, however, its carcinogenic effect on OC development has not yet been revealed.
methodsIn this study, qRT-PCR and western blotting were used to determine the expression of circ_0001068, microRNA-149-5p (miR-149-5p) and domain containing ion transport regulator 5 (FXYD5). Clone formation was used to assess cell proliferation, and transwell assays were performed to analyze cell migration and invasion. Dual-luciferase reporter and pull down assays were used to verify the binding relationship between circ_0001068 and miR-149-5p or FXYD5. Mouse xenograft tumor formation was performed to validate the role of circ_0001068 in vivo.
resultsWe found that the expression levels of circ_0001068 and FXYD5 were significantly increased in OC tissues and cell lines. Circ_0001068 knockdown significantly inhibited cell proliferation, migration, invasion, glycolysis, and glutamine metabolism. Circ_0001068 directly interacted with miR-149-5p, and the introduction of miR-149-5p mimics in OC cells partially reversed circ_0001068 knockdown-mediated effects. MiR-149-5p directly interacted with the 3'untranslated region (3'UTR) of FXYD5, and FXYD5 overexpression partially counteracted circ_0001068 knockdown-mediated effects in OC cells. Circ_0001068 knockdown inhibited xenograft tumor growth in vivo.
conclusionOur findings suggest that circ_0001068 promotes the malignant properties of OC cells by targeting the miR-149-5p/FXYD5 axis.
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