Abstract
Advanced stages with distant metastases or recurrence lack reliable prognostic predictor for cervical cancer. Therefore, the purpose of this study was to investigate the clinical significance of miR-335 expression in cervical cancer. A total of 138 cervical cancer samples were collected, and normal cervical tissues were obtained as matched-pair controls. The level of miR-335 expression was examined using quantitative real-time polymerase chain reaction. Overall survival was analyzed using Kaplan–Meier method. Moreover, the relationship between the expression of miR-335 and the clinicopathological features was further analyzed using Cox regression. Lower miR-335 expression was found in cervical cancer specimens. Cervical cancer patients with reduced miR-335 level had shorter survival time, compared with those with high levels of miR-335 expression (P = 0.011, log-rank = 6.458). Through Cox regression, we found that miR-335 expression was associated with the survival of cervical cancer (RR = 0.251, 95 % CI 0.095–0.663, P = 0.005). The results suggested that miR-335 expression was decreased in cervical cancer specimens and lower miR-335 expression resulted in poorer survival in patients with cervical cancer. Our findings indicated that miR-335 may be a candidate factor for predicting prognosis for cervical cancer.
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Wang, C., Jiang, T. MicroRNA-335 represents an independent prognostic marker in cervical cancer. Tumor Biol. 36, 5825–5830 (2015). https://doi.org/10.1007/s13277-015-3252-2
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DOI: https://doi.org/10.1007/s13277-015-3252-2