Single nucleotide polymorphisms of microRNA processing machinery genes and outcome of hepatocellular carcinoma

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Abstract

MicroRNA (miRNA)-related single nucleotide polymorphisms (miR-SNPs) can affect cancer development, treatment efficacy and patients prognosis. We examined 6 miR-SNPs in miRNA processing machinery genes including exportin 5 (XPO5) (rs11077), Ran-GTPase (RAN) (rs14035), Dicer (rs3742330), Trinucleotide Repeat Containing 6B (TNRC6B) (rs9623117), GEMIN3 (rs197412), GEMIN4 (rs2740348) in 108 surgically resected HCC patients and evaluated the impact of these miR-SNPs on HCC outcome. Among the 6 SNPs, only the A/A genotype of rs11077 located in XPO5 39UTR was identified to associated independently with worse survival in HCC patients by multivariate analysis with relative risk, 0.395; 95% CI, 0.167-0.933; p = 0.034. This is the first study reporting that polymorphisms related to miRSNPs have prognostic value in hepatocellular carcinoma and identify the A/A genotype of rs11077 SNP site located in XPO5 3′UTR can help to predict worse prognosis in patients. © 2014 Liu et al.

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Liu, S., An, J., Lin, J., Liu, Y., Bao, L., Zhang, W., & Zhao, J. J. (2014). Single nucleotide polymorphisms of microRNA processing machinery genes and outcome of hepatocellular carcinoma. PLoS ONE, 9(3). https://doi.org/10.1371/journal.pone.0092791

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