[No authors listed]
Cervical cancer is the third leading cause of female death in the world. Serum microRNAs (miRNAs) are currently considered to be valuable as noninvasive cancer biomarkers, but their role in the prognosis of cervical cancer has not been elucidated. We aimed to find serum miRNAs that can be used as prognostic factors for cervical cancer. A traumatic pathological biopsy is the only reliable method for determining the severity of cervical cancer currently. Thus, noninvasive diagnostic markers are needed. The serological expression of candidate miRNAs were measured in 90 participants, including 60 patients with cervical cancer and 50 patients with cervical intraepithelial neoplasia. Two patients with cervical cancer were excluded from the study because of lack of data. miRNAs were evaluated by quantitative reverse transcription polymerase chain reaction. miR-143/-4636 appeared specific for cervical cancer compared with cervical intraepithelial neoplasia (Pâ<â.001). The classification performance of validated miRNAs for cervical cancer [Area under the receiver operating characteristic curve (AUC)â=â0.942] was better than that reached by squamous cell carcinoma antigen (SCC-Ag; AUCâ=â0.727). Poor-differentiation group has lower miR-143/-4636 levels in serum (Pâ<â.05). miR-4636 level was correlated gross tumor volume and the depth of invasion (Pâ<â.0001). In our study, we found a combination of miR-143 and miR-4636 that is independently and strongly associated with cervical cancer prognosis and can be used as a clinically prognostic factor.
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