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Erschienen in: Medical Oncology 1/2014

01.01.2014 | Original Paper

The expression of miR-25 is increased in colorectal cancer and is associated with patient prognosis

verfasst von: Xiaojun Li, Chunyan Yang, Xiaoqiang Wang, Jian Zhang, Ruipeng Zhang, Ruiting Liu

Erschienen in: Medical Oncology | Ausgabe 1/2014

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Abstract

MicroRNA-25 (miR-25) has recently been found to be involved in many critical processes in human malignancies. We aimed to investigate the expression pattern and prognostic role of miR-25 in colorectal cancer. Colorectal cancer and adjacent normal specimens from 186 patients who had not received neoadjuvant chemotherapy were collected. The expression of miR-25 was detected with a quantitative real-time PCR assay, and the association of miR-25 with overall patient survival was analyzed via statistical analysis. The results indicated that the level of miR-25 expression was significantly elevated in colorectal cancer compared with the level observed in the adjacent normal tissue. It was also demonstrated that miR-25 expression is associated with tumor invasion, lymph node metastasis, distant metastasis and the TNM stage of colorectal cancer. In addition, a Kaplan–Meier analysis revealed that an increased level of miR-25 expression is associated with a poor overall survival of patients. A multivariate survival analysis also indicated that miR-25 is an independent prognostic marker after adjusting for known prognostic factors. These results prove that miR-25 expression is increased in colorectal cancer and is associated with tumor progression. This study also provides the first evidence that miR-25 is an independent prognostic factor for patients with colorectal cancer, indicating the potential role of miR-25 as a highly specific and sensitive biomarker.
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Metadaten
Titel
The expression of miR-25 is increased in colorectal cancer and is associated with patient prognosis
verfasst von
Xiaojun Li
Chunyan Yang
Xiaoqiang Wang
Jian Zhang
Ruipeng Zhang
Ruiting Liu
Publikationsdatum
01.01.2014
Verlag
Springer US
Erschienen in
Medical Oncology / Ausgabe 1/2014
Print ISSN: 1357-0560
Elektronische ISSN: 1559-131X
DOI
https://doi.org/10.1007/s12032-013-0781-7

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