Open Access

Plasma long non-coding RNA MALAT1 is associated with distant metastasis in patients with epithelial ovarian cancer

  • Authors:
    • Qingjuan Chen
    • Yongyong Su
    • Xiaopeng He
    • Weian Zhao
    • Caixia Wu
    • Weibo Zhang
    • Xiaomin Si
    • Bingwei Dong
    • Lianying Zhao
    • Yufang Gao
    • Xiaowen Yang
    • Jianhui Chen
    • Jian Lu
    • Ximin Qiao
    • Yuchen Zhang
  • View Affiliations

  • Published online on: June 29, 2016     https://doi.org/10.3892/ol.2016.4800
  • Pages: 1361-1366
  • Copyright: © Chen et al. This is an open access article distributed under the terms of Creative Commons Attribution License.

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Abstract

Human metastasis-associated lung adenocarcinoma transcript 1 (MALAT1) is a newly identified metastasis-associated long non‑coding RNA. In a previous study, it was identified that plasma levels of MALAT1 were significantly increased in gastric cancer patients with metastasis compared with gastric cancer patients without metastasis and healthy control individuals. However, it is unclear whether plasma levels of MALAT1 may act as a biomarker for evaluating the development of metastasis in epithelial ovarian cancer (EOC). In the present study, groups that consisted of 47 patients with EOC and metastasis (EOC/DM), 47 patients with EOC without metastasis (EOC/NDM), and 47 healthy control (HC) individuals were established. Reverse transcription‑quantitative polymerase chain reaction (RT‑qPCR) was used to detect the level of plasma MALAT1 in these groups. The results showed that levels of plasma MALAT1 were significantly increased in the EOC/DM group compared with the EOC/NDM and HC groups (P<0.001). Receiver operating characteristic (ROC) analysis indicated that plasma MALAT1 yielded an area under the curve (AUC) of 0.820 [95% confidence interval (CI), 0.734‑0.905; P<0.001], distinguishing between EOC/DM and EOC/NDM. ROC analysis also yielded an AUC of 0.884 (95% CI, 0.820‑0.949; P<0.001), with 89.4% sensitivity and 72.3% specificity for distinguishing between EOC/DM and HC. Furthermore, multivariate analysis indicated that overexpression of MALAT1, differentiation (poor), tumor-node-metastasis stage (IV), lymph node metastasis (N3), peritoneal invasion (present) and higher serum carbohydrate antigen 125 levels were independent predictors of survival (hazard ratio, 3.322; P=0.028) in patients with EOC. Kaplan‑Meier analysis revealed that patients with increased MALAT1 expression had a poorer disease‑free survival time. In conclusion, the levels of plasma MALAT1 may act as a valuable biomarker for the diagnosis of metastasis.
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August-2016
Volume 12 Issue 2

Print ISSN: 1792-1074
Online ISSN:1792-1082

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Spandidos Publications style
Chen Q, Su Y, He X, Zhao W, Wu C, Zhang W, Si X, Dong B, Zhao L, Gao Y, Gao Y, et al: Plasma long non-coding RNA MALAT1 is associated with distant metastasis in patients with epithelial ovarian cancer. Oncol Lett 12: 1361-1366, 2016
APA
Chen, Q., Su, Y., He, X., Zhao, W., Wu, C., Zhang, W. ... Zhang, Y. (2016). Plasma long non-coding RNA MALAT1 is associated with distant metastasis in patients with epithelial ovarian cancer. Oncology Letters, 12, 1361-1366. https://doi.org/10.3892/ol.2016.4800
MLA
Chen, Q., Su, Y., He, X., Zhao, W., Wu, C., Zhang, W., Si, X., Dong, B., Zhao, L., Gao, Y., Yang, X., Chen, J., Lu, J., Qiao, X., Zhang, Y."Plasma long non-coding RNA MALAT1 is associated with distant metastasis in patients with epithelial ovarian cancer". Oncology Letters 12.2 (2016): 1361-1366.
Chicago
Chen, Q., Su, Y., He, X., Zhao, W., Wu, C., Zhang, W., Si, X., Dong, B., Zhao, L., Gao, Y., Yang, X., Chen, J., Lu, J., Qiao, X., Zhang, Y."Plasma long non-coding RNA MALAT1 is associated with distant metastasis in patients with epithelial ovarian cancer". Oncology Letters 12, no. 2 (2016): 1361-1366. https://doi.org/10.3892/ol.2016.4800