• Zebo Huang, Lan Zhang, Danxia Zhu, Xia Shan, Xin Zhou, Lian-Wen Qi, Lirong Wu, Jun Zhu, Wenfang Cheng, Huo Zhang, Yan Chen, Wei Zhu, Tongshan Wang, and Ping Liu.
• Department of Oncology, The First Affiliated Hospital of Nanjing Medical University, 300 Guangzhou Road, Nanjing, 210029, China.
• Cancer Med. 2017 Jan 1; 6 (1): 109-119.

AbstractCirculating microRNAs (miRNAs) have been used as promising diagnostic biomarkers for esophageal squamous cell carcinoma (ESCC). We performed miRNA expression profiling using quantitative reverse transcription polymerase chain reaction (qRT-PCR) based Exiqon panels from three ESCC pools and one normal control (NC) pool samples. Using qRT-PCR, identified serum miRNAs were further confirmed in training (32 ESCC vs. 32 NCs) and testing stages (108 ESCC vs. 96 NCs). Consequently, five serum miRNAs (miR-20b-5p, miR-28-3p, miR-192-5p, miR-223-3p, and miR-296-5p) were significantly overexpressed in ESCC compared with NCs. The diagnostic value of the 5-miRNA signature was validated by an external cohort (60 ESCC vs. 60 NCs). The areas under the receiver operating characteristic curve (ROC) of the 5-miRNA signature were 0.753, 0.763, and 0.966 for the training, testing, and the external validation stages, respectively. The expression levels of the miRNAs were also determined in tissues, arterial serum, and exosomes. MiR-20b-5p, miR-28-3p, and miR-192-5p were significantly upregulated in ESCC tissues, while miR-296-5p was overexpressed in ESCC serum exosomes. In conclusion, we identified a 5-miRNA signature in serum for the detection of ESCC.© 2016 The Authors. Cancer Medicine published by John Wiley & Sons Ltd.

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