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KMID : 1137020230340030034
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Journal of Gynecologic Oncology
2023 Volume.34 No. 3 p.34 ~ p.34
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Preoperative serum microRNAs as potential prognostic biomarkers in ovarian clear cell carcinoma
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Kazuhiro Suzuki
Akira Yokoi
Kosuke Yoshida
Tomoyasu Kato
Takahiro Ochiya
Yusuke Yamamoto
Hiroaki Kajiyama
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Abstract
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Objective: Ovarian clear cell carcinoma (OCCC) is a subtype of epithelial ovarian carcinoma with poor prognosis. However, no effective biomarkers have been established for predicting unfavorable events, including recurrence and poor prognoses. Serum microRNAs (miRNAs) have been increasingly reported to be useful in predicting a patient’s condition and have been recognized as a potentially less-invasive source for liquid biopsy in cancer. Therefore, this study aimed to evaluate serum miRNA profiles from patients with OCCC and to establish biomarker for predicting the prognoses.
Methods: The GSE106817, which included preoperative serum miRNA profiles of patients with ovarian tumors, was used, and clinical information was investigated. In all, 66 patients with OCCC were included, excluding those with other histological subtypes or insufficient prognostic information. Moreover, miRNA profiles of OCCC tissues were also examined.
Results: The median follow-up period was 64.3 (8.0?153.3) months. Based on multivariable Cox regression analyses and the expression of miRNAs in OCCC tissues, miR-150-3p, miR-3195, and miR-7704 were selected as miRNA candidates associated with both progression-free survival (PFS) and overall survival (OS). Then, the prognostic index was calculated based on expression values of 3 serum miRNAs. Kaplan-Meier survival analysis indicated that the prognostic index was significantly predictive of PFS and OS (p=0.004 and p=0.012, respectively).
Conclusion: Preoperative serum miRNA profiles of miR-150-3p, miR-3195, and miR-7704 can be used to potentially predict the prognosis of patients with OCCC.
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KEYWORD
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MicroRNAs, Biomarkers, Prognosis, Ovarian Neoplasms, Serum, Disease Progression
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