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Article

Methylation status of the FHIT gene in the transformed human mesenchymal F6 stem cell line

  • Authors:
    • Xue‑Jing Xu
    • Shuo Gao
    • Mei Wang
    • Hui Qian
    • Guang‑Yu Gu
    • Kui Zhang
    • Wen‑Rong Xu
  • View Affiliations / Copyright

    Affiliations: Department of Laboratory Medicine, The Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing, Jiangsu 210008, P.R. China, School of Medicine, Jiangsu University, Zhenjiang, Jiangsu 212013, P.R. China
  • Pages: 2661-2666
    |
    Published online on: April 1, 2015
       https://doi.org/10.3892/ol.2015.3092
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Abstract

The fragile histidine triad (FHIT) gene is known to be a tumor suppressor gene and the abnormal methylation of FHIT has been identified in leukemia and several solid tumors. The transformation of the tumor F6 cell line from human fetal mesenchymal stem cells (FMSCs) was first reported in a previous study that also identified the presence of a population of cancer stem cells in the F6 cell line. However, the existence of the epigenetic changes during the transformation process have yet to be elucidated. To confirm the role of the FHIT gene in the transformation process of FMSC, the expression level and methylation status of the FHIT gene was examined in F6 tumor cells and FMSCs. Additionally, the alteration in cell morphology, the cell cycle and apoptosis in F6 cells following 5‑Aza‑CdR treatment was assessed. It was found that the FHIT gene was expressed in FMSCs, but not in F6 cells. The methylation‑specific PCR results demonstrated that the promoter methylation of FHIT genes existed in the F6 cell line. Subsequent to treatment with 5‑Aza‑CdR the expression of FHIT genes was restored in F6 cells. In addition, the morphology of F6 cells was altered, and the cell cycle was arrested in the G2 phase, with the initiation of apoptosis. Overall, the present findings demonstrated that the FHIT gene was methylated in F6 cells and demethylation treatment lead to changes in the biological characteristics, thereby promoting the apoptosis of F6 cells. FHIT gene methylation may be one of the molecular events involved in the development and transformation of FMSCs into F6 tumor cells.
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Copy and paste a formatted citation
Spandidos Publications style
Xu XJ, Gao S, Wang M, Qian H, Gu GY, Zhang K and Xu WR: Methylation status of the FHIT gene in the transformed human mesenchymal F6 stem cell line. Oncol Lett 9: 2661-2666, 2015.
APA
Xu, X., Gao, S., Wang, M., Qian, H., Gu, G., Zhang, K., & Xu, W. (2015). Methylation status of the FHIT gene in the transformed human mesenchymal F6 stem cell line. Oncology Letters, 9, 2661-2666. https://doi.org/10.3892/ol.2015.3092
MLA
Xu, X., Gao, S., Wang, M., Qian, H., Gu, G., Zhang, K., Xu, W."Methylation status of the FHIT gene in the transformed human mesenchymal F6 stem cell line". Oncology Letters 9.6 (2015): 2661-2666.
Chicago
Xu, X., Gao, S., Wang, M., Qian, H., Gu, G., Zhang, K., Xu, W."Methylation status of the FHIT gene in the transformed human mesenchymal F6 stem cell line". Oncology Letters 9, no. 6 (2015): 2661-2666. https://doi.org/10.3892/ol.2015.3092
Copy and paste a formatted citation
x
Spandidos Publications style
Xu XJ, Gao S, Wang M, Qian H, Gu GY, Zhang K and Xu WR: Methylation status of the FHIT gene in the transformed human mesenchymal F6 stem cell line. Oncol Lett 9: 2661-2666, 2015.
APA
Xu, X., Gao, S., Wang, M., Qian, H., Gu, G., Zhang, K., & Xu, W. (2015). Methylation status of the FHIT gene in the transformed human mesenchymal F6 stem cell line. Oncology Letters, 9, 2661-2666. https://doi.org/10.3892/ol.2015.3092
MLA
Xu, X., Gao, S., Wang, M., Qian, H., Gu, G., Zhang, K., Xu, W."Methylation status of the FHIT gene in the transformed human mesenchymal F6 stem cell line". Oncology Letters 9.6 (2015): 2661-2666.
Chicago
Xu, X., Gao, S., Wang, M., Qian, H., Gu, G., Zhang, K., Xu, W."Methylation status of the FHIT gene in the transformed human mesenchymal F6 stem cell line". Oncology Letters 9, no. 6 (2015): 2661-2666. https://doi.org/10.3892/ol.2015.3092
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