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Published in: Journal of Hematology & Oncology 1/2014

Open Access 01-12-2014 | Rapid communication

Differentially expressed microRNAs in the serum of cervical squamous cell carcinoma patients before and after surgery

Authors: Wen-Tao Wang, Ya-Nan Zhao, Jin-Xing Yan, Mei-Ying Weng, Yan Wang, Yue-Qin Chen, Shun-Jia Hong

Published in: Journal of Hematology & Oncology | Issue 1/2014

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Abstract

Background

The purpose of this study was to detect the serum microRNAs (miRNAs) that are differentially expressed in cervical squamous cell carcinoma (SCC) patients and negative controls, with a focus on the miRNA profiles of the patients before and after surgery. The aim of the study is to evaluate the potential of these miRNAs as novel markers for the post-therapeutic monitoring of cervical SCC patients.

Results

A total of 765 serum miRNAs from 10 cervical SCC patients before surgery, 10 cervical SCC patients after surgery, and 10 negative controls were profiled using a TaqMan MicroRNA Array. A set of selected differentially expressed miRNAs were further analyzed in the patients at different perioperative periods, including preoperative, 1 week postoperative, and one month postoperative. The results showed that several serum miRNAs were differentially expressed in the cervical SCC patients compared with the negative controls, including miR-646, miR-141* and miR-542-3p. More importantly, we found that levels of specific serum miRNAs were deregulated in the pre- and postoperative stages, and these miRNAs could be useful for post-therapeutic monitoring of disease progression. Finally, we depicted a regulatory network of differentially expressed serum miRNAs, and many possible target genes were predicted in the estrogen-mediated signal pathways, supporting the hypothesis that cervical SCC is a hormone-associated gynecological disease.

Conclusions

Our study demonstrated that the circulating miRNAs miR-646, miR-141* and miR-542-3p could potentially serve as non-invasive biomarkers for cervical SCC. The levels of these specific miRNAs might be useful for the post-therapeutic monitoring of disease progression. This is the first report showing that circulating miRNAs could serve as biomarkers for the therapeutic intervention of cervical SCC.
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Metadata
Title
Differentially expressed microRNAs in the serum of cervical squamous cell carcinoma patients before and after surgery
Authors
Wen-Tao Wang
Ya-Nan Zhao
Jin-Xing Yan
Mei-Ying Weng
Yan Wang
Yue-Qin Chen
Shun-Jia Hong
Publication date
01-12-2014
Publisher
BioMed Central
Published in
Journal of Hematology & Oncology / Issue 1/2014
Electronic ISSN: 1756-8722
DOI
https://doi.org/10.1186/1756-8722-7-6

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