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The Capital Region of Denmark - a part of Copenhagen University Hospital
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Diagnostic plasma miRNA-profiles for ovarian cancer in patients with pelvic mass

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BACKGROUND: Ovarian cancer is the fifth most common cancer in women worldwide. Moreover, there are no reliable minimal invasive tests to secure the diagnosis of malignant pelvic masses. Cell-free, circulating microRNAs have the potential as diagnostic biomarkers in cancer. Here, we performed and validated a miRNA panel with the potential to distinguish OC from benign pelvic masses.

METHODS: The profile of plasma microRNA was determined with a panel of 46 candidates in a discovery group and a validation group, each consisting of 190 pre-surgery plasma samples from age-matched patients with malignant (n = 95) and benign pelvic mass (n = 95), by real time RT-qPCR.

RESULTS: Four up-regulated (miR-200c-3p, miR-221-3p, miR-21-5p, and miR-484) and two down-regulated (miR-195-5p and miR-451a) microRNAs were discovered. From those, miR-200c-3p and miR-221-3p were further confirmed in a validation cohort. A combination of these 2 microRNAs together with CA-125 yielded an overall diagnostic accuracy of AUC = 0.96.

CONCLUSIONS: We showed consistent plasma microRNA profiles that provide independent diagnostic information of late stage OC.

Original languageEnglish
JournalPLoS One
Volume14
Issue number11
Pages (from-to)e0225249
ISSN1932-6203
DOIs
Publication statusPublished - 2019

ID: 59089063