1.Expression levels of miR-181c-3p and miR-5692b in esophageal cancer and their clinical significance.
Shu CHEN ; Babayi AINIWAER ; Song QING ; Ting LIU ; Zhiping MA ; Yi SHI ; Xuelian PANG ; Wei ZHANG ; Xinxia LI
Chinese Journal of Pathology 2015;44(12):905-909
OBJECTIVETo study the expression level and clinical significance of miR-181c-3p and miR-5692b in esophageal cancer.
METHODSThe microRNA (miRNA) profiles of esophageal squamous cell carcinoma were analyzed by miRNA microarray in 55 cases of esophageal cancer. The expression levels of miR-181c-3p and miR-5692b from 55 pairs of tumor tissues and adjacent non-neoplastic tissues were determined by qRT-PCR analysis.
RESULTSBoth miR-181c-3p and miR-5692b were significantly up-regulated in tumor tissues compared with adjacent non-neoplastic tissues. Their expression was also significantly associated with tumor size, depth of invasion and clinical tumor stage (P<0.05). High expression of miR-181c-3p and miR-5692b were significantly associated with poor prognosis (P<0.05). Multivariate Cox regression analysis confirmed that high expression of miR-181c-3p and miR-5692b was poor prognostic indicators in esophageal cancer.
CONCLUSIONSThere are significant correlation between miR-181c-3p/miR-5692b expression, clinicopathologic parameters and prognosis. They represent potential prognostic biomarkers in esophageal squamous cell carcinoma.
Carcinoma, Squamous Cell ; genetics ; Esophageal Neoplasms ; genetics ; Gene Expression Regulation, Neoplastic ; Humans ; MicroRNAs ; genetics ; Prognosis ; Up-Regulation
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