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  • Title: Upregulation of long noncoding RNA PVT1 predicts unfavorable prognosis in patients with clear cell renal cell carcinoma.
    Author: Bao X, Duan J, Yan Y, Ma X, Zhang Y, Wang H, Ni D, Wu S, Peng C, Fan Y, Gao Y, Li X, Chen J, Du Q, Zhang F, Zhang X.
    Journal: Cancer Biomark; 2017 Dec 12; 21(1):55-63. PubMed ID: 29081406.
    Abstract:
    BACKGROUND: Renal cell carcinoma (RCC) is one of the most malignant genitourinary diseases worldwide. Long noncoding RNAs (lncRNAs) are a class of noncoding RNAs in the human genome that are involved in RCC initiation and progression. OBJECTIVE: To investigate the expression of PVT1 in ccRCC and evaluate its correlation with clinicopathologic characteristics and patients' survival. METHODS: Quantitative real-time PCR was performed to examine PVT1 expression in 129 ccRCC tissue samples and matched adjacent normal tissue samples. The relationship of PVT1 expression with clinicopathologic characteristics and clinical outcome was evaluated. RESULTS: We identified the lncRNA PVT1, which was upregulated in clear cell renal cell carcinoma (ccRCC) tissues when compared with corresponding controls. Furthermore, PVT1 expression was positively associated with gender, tumor size, pT stage, TNM stage, and Fuhrman grade. Kaplan-Meier survival analysis showed that patients with high PVT1 expression had shorter disease-free survival (DFS) and overall-survival (OS) than those with low PVT1 expression, and multivariate analysis identified PVT1 as an independent prognostic factor in ccRCC. CONCLUSIONS: PVT1 may be an oncogene as well as may promote metastasis in ccRCC and could serve as a potential biomarker to predict the prognosis of ccRCC patients.
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