4.6 Article

Blood Circulating miRNA Pairs as a Robust Signature for Early Detection of Esophageal Cancer

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FRONTIERS IN ONCOLOGY
卷 11, 期 -, 页码 -

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FRONTIERS MEDIA SA
DOI: 10.3389/fonc.2021.723779

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microRNA; biomarker; esophageal cancer (EC); gene pair; diagnosis

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资金

  1. Guangdong Basic and Applied Basic Research Foundation [2019A1515110097]

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A diagnostic signature consisting of four miRNA pairs was developed for early detection of esophageal cancer. The signature was validated in two independent datasets, demonstrating high performance with accuracy in diagnosing early-stage esophageal cancer.
Esophageal cancer (EC) is a common malignant tumor in the digestive system which is often diagnosed at the middle and late stages. Noninvasive diagnosis using circulating miRNA as biomarkers enables accurate detection of early-stage EC to reduce mortality. We built a diagnostic signature consisting of four miRNA pairs for the early detection of EC using individualized Pairwise Analysis of Gene Expression (iPAGE). Profiling of miRNA expression identified 496 miRNA pairs with significant relative expression change. Four miRNA pairs consistently selected from LASSO were used to construct the final diagnostic model. The performance of the signature was validated using two independent datasets, yielding both AUCs and PRCs over 0.99. Furthermore, precision, recall, and F-score were also evaluated for clinical application, when a fixed threshold is given, resulting in all the scores are larger than 0.92 in the training set, test set, and two validation sets. Our results suggested that the 4-miRNA signature is a new biomarker for the early diagnosis of patients with EC. The clinical use of this signature would have improved the detection of EC for earlier therapy and more favorite prognosis.

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