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Circular RNA profiling and its potential for esophageal squamous cell cancer diagnosis and prognosis
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Circular RNA profiling and its potential for esophageal squamous cell cancer diagnosis and prognosis
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Journal Article
Circular RNA profiling and its potential for esophageal squamous cell cancer diagnosis and prognosis
2019
Overview
Esophageal squamous cell cancer (ESCC) is a high incidence and mortality disease worldwide. However, specificity and sensitivity of its diagnostic and prognostic biomarkers are still unsatisfactory. Recently, circular RNAs (circRNAs) as biomarkers have been studied extensively while the expression profile and clinical significance of circRNAs in ESCC have rarely been studied. We performed circular RNA microarray in 3 pairs of ESCC frozen tumor and non-tumor tissues to identify ESCC-related circRNAs and found 1045 up-regulated and 1032 down-regulated circRNAs among which 6 circRNAs (hsa_circ_0062459, hsa_circ_0076535, hsa_circ_0072215, hsa_circ_0042261, hsa_circ_0001946, and hsa_circ_0043603) displayed consistency with microarray results by qRT-PCR. 3 circRNAs (hsa_circ_0062459, hsa_circ_0001946, and hsa_circ_0043603) were also detected in plasma and 2 of them except hsa_circ_0062459 could be used as diagnostic biomarkers and found in exosome of cell-conditioned culture conditioned media. The AUC, sensitivity and specificity of hsa_circ_0001946 were 0.894, 92, 80%, of hsa_circ_0043603 were 0.836, 64, 92% while a signature combining them were 0.928, 84 and 98%. Hsa_circ_0001946 was confirmed to predict the recurrence, overall survival (OS) and disease-free survival (DFS) in frozen and FFPE tissues, while its overexpression decreased cell proliferation, migration, and invasion.
Publisher
BioMed Central,BioMed Central Ltd,Springer Nature B.V,BMC
Subject
/ Biomarkers, Tumor - genetics
/ Biomedical and Life Sciences
/ Cancer
/ Carcinoma, Squamous Cell - genetics
/ Carcinoma, Squamous Cell - pathology
/ Cell Proliferation - genetics
/ Esophageal Neoplasms - genetics
/ Esophageal Neoplasms - pathology
/ Esophageal squamous cell cancer
/ Esophageal Squamous Cell Carcinoma - genetics
/ Esophageal Squamous Cell Carcinoma - pathology
/ Exosome
/ Gene Expression Regulation, Neoplastic - genetics
/ Humans
/ Neoplasm Recurrence, Local - genetics
/ Neoplasm Recurrence, Local - pathology
/ Oncology
/ Plasma
/ RNA
/ Tumors
