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Article Open Access

A five lncRNA signature for prognosis prediction in hepatocellular carcinoma

  • Authors:
    • Yongqiang Sun
    • Fangfang Zhang
    • Lifu Wang
    • Xueai Song
    • Jing Jing
    • Fan Zhang
    • Simiao Yu
    • Honghong Liu
  • View Affiliations / Copyright

    Affiliations: Integrative Medical Center, 302 Military Hospital of China, Beijing 100039, P.R. China, Outpatient Department, 302 Military Hospital of China, Beijing 100039, P.R. China, International Center for Liver Disease Treatment, 302 Military Hospital of China, Beijing 100039, P.R. China
    Copyright: © Sun et al. This is an open access article distributed under the terms of Creative Commons Attribution License.
  • Pages: 5237-5250
    |
    Published online on: April 30, 2019
       https://doi.org/10.3892/mmr.2019.10203
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Abstract

This study was conducted to screen prognosis‑​associated long‑noncoding RNAs (lncRNAs) and a prognosis assessment model in hepatocellular carcinoma (HCC). lncRNA‑ and mRNA‑sequencing data of early‑stage HCC samples were downloaded from The Cancer Genome Atlas database. The samples were divided into training set and validation set. Differentially expressed lncRNAs (DELs) between poor prognosis and good prognosis samples were screened with DEseq and edgeR. Cox regression analysis was conducted to identify prognosis‑associated lncRNAs in the training set. A prognosis risk assessment model was established to calculate the risk score for each patient in the training set, and the prognosis prediction function was tested and validated in the validation dataset. The connection between the risk assessment model and clinical features was analyzed. A co‑expression network between lncRNAs and corresponding genes was constructed, and functional enrichment was performed for these genes. A total of 81 DELs were screened between poor and good prognosis samples in the training set, and 43 prognosis‑associated lncRNAs were observed. Of these DELs, five were used to construct the risk assessment model (RP11‑325L7.2, DKFZP434L187, RP11‑100L22.4, DLX2‑AS1 and RP11‑104L21.3). Low‑risk samples exhibited longer survival time compared with the high‑risk samples. The five lncRNAs exhibited significant differences in expression levels between different prognosis groups. Risk score was an independent prognostic factor for HCC. In the entire set, the low‑risk group demonstrated significantly better prognosis compared with the high‑risk group, even across all age, sex and alcohol consumption subgroups. ‘Nucleoside‑triphosphatase regulator activity’, ‘GTPase regulator activity’, ‘enzyme binding’, ‘peroxisome proliferator‑activated receptor signaling pathway’ and ‘fatty acid metabolism’ were the most significantly enriched functional terms. The signature lncRNAs screened in this study may have constitute novel strategies and biomarkers that predict the prognosis of HCC, and these may also contribute to a deeper understanding of the mechanisms underlying HCC development.
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Copy and paste a formatted citation
Spandidos Publications style
Sun Y, Zhang F, Wang L, Song X, Jing J, Zhang F, Yu S and Liu H: A five lncRNA signature for prognosis prediction in hepatocellular carcinoma. Mol Med Rep 19: 5237-5250, 2019.
APA
Sun, Y., Zhang, F., Wang, L., Song, X., Jing, J., Zhang, F. ... Liu, H. (2019). A five lncRNA signature for prognosis prediction in hepatocellular carcinoma. Molecular Medicine Reports, 19, 5237-5250. https://doi.org/10.3892/mmr.2019.10203
MLA
Sun, Y., Zhang, F., Wang, L., Song, X., Jing, J., Zhang, F., Yu, S., Liu, H."A five lncRNA signature for prognosis prediction in hepatocellular carcinoma". Molecular Medicine Reports 19.6 (2019): 5237-5250.
Chicago
Sun, Y., Zhang, F., Wang, L., Song, X., Jing, J., Zhang, F., Yu, S., Liu, H."A five lncRNA signature for prognosis prediction in hepatocellular carcinoma". Molecular Medicine Reports 19, no. 6 (2019): 5237-5250. https://doi.org/10.3892/mmr.2019.10203
Copy and paste a formatted citation
x
Spandidos Publications style
Sun Y, Zhang F, Wang L, Song X, Jing J, Zhang F, Yu S and Liu H: A five lncRNA signature for prognosis prediction in hepatocellular carcinoma. Mol Med Rep 19: 5237-5250, 2019.
APA
Sun, Y., Zhang, F., Wang, L., Song, X., Jing, J., Zhang, F. ... Liu, H. (2019). A five lncRNA signature for prognosis prediction in hepatocellular carcinoma. Molecular Medicine Reports, 19, 5237-5250. https://doi.org/10.3892/mmr.2019.10203
MLA
Sun, Y., Zhang, F., Wang, L., Song, X., Jing, J., Zhang, F., Yu, S., Liu, H."A five lncRNA signature for prognosis prediction in hepatocellular carcinoma". Molecular Medicine Reports 19.6 (2019): 5237-5250.
Chicago
Sun, Y., Zhang, F., Wang, L., Song, X., Jing, J., Zhang, F., Yu, S., Liu, H."A five lncRNA signature for prognosis prediction in hepatocellular carcinoma". Molecular Medicine Reports 19, no. 6 (2019): 5237-5250. https://doi.org/10.3892/mmr.2019.10203
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