罗君, 凌志强, 彭兵锋, et al. The expression of microRNA-31 in esophageal squamous cell carcinoma and its prognostic value[J]. China Oncology, 2013, 23(7): 487-492.
罗君, 凌志强, 彭兵锋, et al. The expression of microRNA-31 in esophageal squamous cell carcinoma and its prognostic value[J]. China Oncology, 2013, 23(7): 487-492. DOI: 10.3969/j.issn.1007-3969.2013.07.002.
The expression of microRNA-31 in esophageal squamous cell carcinoma and its prognostic value
Background and purpose: It was reported that many microRNAs (miRNAs) have close relation with carcinomas. miR-31 (microRNA-31) shows abnormal change in numerous cancers. China is one of the most high-risk areas of esophageal squamous cell carcinoma (ESCC). The aim of the present study was to investigate the expression of miR-31 in ESCC
and analyze the relationship of its expression with clinicopathological features and prognosis. Methods: The expression of miR-31 in KYSE410
EC1 and EC9706 cell lines
as well as 81 cases of ESCC tissues and adjacent normal esophageal tissues were detected by real-time reverse transcription-polymerase chain reaction (RT-PCR). The result was combined with clinical and follow-up data and statistical analysis was conducted. Results: MiR-31 was up-expression in 3 cell lines and 75.31% of the ESCC tissues. miR-31 up-expression was positively related to severer lymph node metastasis (P=0.043)
deeper invasion of tumors (P=0.002) and advanced pathological stage (P=0.027). There was no relationship of miR-31 with other clinicopathological features (P0.05). Furthermore
high expression of miR-31 was associated with poor progression-free survival (PFS) in 81 ESCC patients by Kaplan-Meier analysis (P=0.014) and by multivariate Cox analysis (P=0.021). Conclusion: Our results identified miR-31 may be a new diagnostic criteria and prognostic biomarker for ESCC.
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Related Author
Daiyuan MA
Yang PENG
Ziyi LIAO
Beilei ZENG
Yingying MA
Li ZENG
Kelun GAN
Lijun CHEN
Related Institution
Department of Medical Oncology, Affiliated Hospital of Chuanbei Medical College, Nanchong
Department of Pathology, Fudan University Shanghai Cancer Center; Department of Oncology, Shanghai Medical College, Fudan University