Investigation of fusion gene expression in HCT116 cells

  • Authors:
    • Yanmei Zhang
    • Juan Ren
    • Mengdie Fang
    • Xiaoju Wang
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  • Published online on: September 25, 2017     https://doi.org/10.3892/ol.2017.7055
  • Pages: 6962-6968
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Abstract

Colon cancer is the most common type of gastrointestinal cancer. A number of specific and sensitive biomarkers facilitate the diagnosis and monitoring of patients with colon cancer. Fusion genes are typically identified in cancer and a majority of the newly identified fusion genes are oncogenic in nature. Therefore, fusion genes are potential biomarkers and/or therapy targets in cancer. In the present study, the regulation of specific candidate fusion genes were investigated using Brother of the Regulator of Imprinted Sites (BORIS) in the HCT116 colon cancer cell line, which is a paralog of the fusion gene regulator CCCTC‑binding factor (CTCF). The copy number of BORIS increased correspondingly to the progression of colorectal carcinoma from the M0 to the M1a stage. It was identified that EIF3E(e1)‑RSPO2(e2), EIF3E(e1)‑RSPO2(e3), PTPRK(e1)‑RSPO3(e2), PTPRK(e7)‑RSPO3(e2), TADA2A‑MEF2B and MED13L‑CD4 are fusion transcripts present in the transcriptome of the HCT116 colon cancer cell line. CDC42SE2‑KIAAO146 is a genomic fusion transcript, which originates from DNA arrangement in HCT116 cells. BORIS suppresses the expression of EIF3E, RSPO2, PTPRK, RSPO3, TADA2A and CD4 to inhibit the expression of fusion transcripts in HCT116 cells. It was hypothesized that the fusion transcripts investigated in the present study may not be oncogenic in HCT116 cells. As BORIS is not colorectal carcinoma‑specific, the fusion genes investigated may be a biomarker assemblage for monitoring the progression of colorectal carcinoma.
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December-2017
Volume 14 Issue 6

Print ISSN: 1792-1074
Online ISSN:1792-1082

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Spandidos Publications style
Zhang Y, Ren J, Fang M and Wang X: Investigation of fusion gene expression in HCT116 cells. Oncol Lett 14: 6962-6968, 2017
APA
Zhang, Y., Ren, J., Fang, M., & Wang, X. (2017). Investigation of fusion gene expression in HCT116 cells. Oncology Letters, 14, 6962-6968. https://doi.org/10.3892/ol.2017.7055
MLA
Zhang, Y., Ren, J., Fang, M., Wang, X."Investigation of fusion gene expression in HCT116 cells". Oncology Letters 14.6 (2017): 6962-6968.
Chicago
Zhang, Y., Ren, J., Fang, M., Wang, X."Investigation of fusion gene expression in HCT116 cells". Oncology Letters 14, no. 6 (2017): 6962-6968. https://doi.org/10.3892/ol.2017.7055