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Article

microRNA expression profiles in human colorectal cancers with brain metastases

  • Authors:
    • Zhenyang Li
    • Xiaodong Gu
    • Yantian Fang
    • Jianbin Xiang
    • Zongyou Chen
  • View Affiliations / Copyright

    Affiliations: Department of General Surgery, Huashan Hospital, Fudan University, Shanghai 200040, P.R. China
  • Pages: 346-350
    |
    Published online on: November 29, 2011
       https://doi.org/10.3892/ol.2011.497
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Abstract

The present study aimed to identify microRNA (miRNA) expression profiles associated with brain metastases of colorectal cancers. We conducted miRNA expression profiling of 3 primary colorectal cancers and 3 brain‑metastatic carcinomas using Agilent Human miRNA Microarrays. Quantitative real-time reverse transcription-polymerase chain reaction (RT-PCR) was employed to validate the results obtained from the miRNA microarray analysis. Overexpression of miR‑145, miR‑1, miR‑146a, miR‑576‑5p, miR‑126*, HS287, miR‑28‑5p, miR‑143, miR‑199b‑5p, miR‑199a‑5p, miR‑10b, miR‑22, miR‑133b, miR‑145*, miR‑199a, miR‑133a, miR‑125b and downregulation of miR‑31 and HS170 were observed in brain‑metastatic carcinomas. Quantitative RT-PCR experiments with miR-125b confirmed the expression patterns we found in our microarray experiments. miRNAs are differentially expressed between colorectal cancers and matched brain‑metastatic carcinomas. The miRNA variation trend is quite different in the process of metastasis compared to that of carcinogenesis. These miRNAs may therefore serve as potential diagnostic markers and therapeutic targets for colorectal cancers with brain metastases.
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Copy and paste a formatted citation
Spandidos Publications style
Li Z, Gu X, Fang Y, Xiang J and Chen Z: microRNA expression profiles in human colorectal cancers with brain metastases. Oncol Lett 3: 346-350, 2012.
APA
Li, Z., Gu, X., Fang, Y., Xiang, J., & Chen, Z. (2012). microRNA expression profiles in human colorectal cancers with brain metastases. Oncology Letters, 3, 346-350. https://doi.org/10.3892/ol.2011.497
MLA
Li, Z., Gu, X., Fang, Y., Xiang, J., Chen, Z."microRNA expression profiles in human colorectal cancers with brain metastases". Oncology Letters 3.2 (2012): 346-350.
Chicago
Li, Z., Gu, X., Fang, Y., Xiang, J., Chen, Z."microRNA expression profiles in human colorectal cancers with brain metastases". Oncology Letters 3, no. 2 (2012): 346-350. https://doi.org/10.3892/ol.2011.497
Copy and paste a formatted citation
x
Spandidos Publications style
Li Z, Gu X, Fang Y, Xiang J and Chen Z: microRNA expression profiles in human colorectal cancers with brain metastases. Oncol Lett 3: 346-350, 2012.
APA
Li, Z., Gu, X., Fang, Y., Xiang, J., & Chen, Z. (2012). microRNA expression profiles in human colorectal cancers with brain metastases. Oncology Letters, 3, 346-350. https://doi.org/10.3892/ol.2011.497
MLA
Li, Z., Gu, X., Fang, Y., Xiang, J., Chen, Z."microRNA expression profiles in human colorectal cancers with brain metastases". Oncology Letters 3.2 (2012): 346-350.
Chicago
Li, Z., Gu, X., Fang, Y., Xiang, J., Chen, Z."microRNA expression profiles in human colorectal cancers with brain metastases". Oncology Letters 3, no. 2 (2012): 346-350. https://doi.org/10.3892/ol.2011.497
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