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  • Title: Upregulation of miR-183-5p predicts worse survival in patients with renal cell cancer after surgery.
    Author: Li H, Pan X, Gui Y, Quan J, Li Z, Zhao L, Guan X, Xu J, Xu W, Lai Y.
    Journal: Cancer Biomark; 2019; 24(2):153-158. PubMed ID: 30689558.
    Abstract:
    OBJECTIVE: Renal cell carcinoma (RCC) is one of the most common genitourinary cancers, and advanced RCC usually leads to poor prognosis. Therefore, identifying novel biomarkers for predicting the progression and prognosis of RCC is essential. The present study aims to evaluate the clinical value of miR-183-5p in RCC development and prognosis after surgery. MATERIALS AND METHODS: We enrolled a total of 284 patients who received partial or radical nephrectomy from April 2003 to May 2013 at a single institution. The clinical and pathological characteristics of the patients were collected, including age, gender, tumor size, tumor stage, as well as follow-up information. The expression levels of miR-183-5p of all the patients were calculated from FFPE specimens. Cox regression analyses were performed to approve the effect of miR-183-5p expression on patient survival. Kaplan-Meier method was used to analyze the patient survival curves. RESULTS: After controlling for gender, age, tumor size and tumor stage in the multivariate analysis, we found that high expression of miR-183-5p was independently associated lower overall survival (HR = 0.550, 95% CI = 0.364-0.832, p= 0.005). The Kaplan-Meier analysis also showed that patients with high expression of miR-183-5p had a significantly poor prognosis (p= 0.006). These results was verified by analyzing the data of 506 cases from The Cancer Genome Atlas database (TCGA). CONCLUSION: Our results indicated that the high miR-183-5p expression is an independent factor for predicting RCC's worse prognosis.
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