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International Journal of Molecular Medicine
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Print ISSN: 1107-3756 Online ISSN: 1791-244X
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2014-March Volume 33 Issue 3

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International Journal of Molecular Medicine

International Journal of Molecular Medicine

International Journal of Molecular Medicine is an international journal devoted to molecular mechanisms of human disease.

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International Journal of Oncology is an international journal devoted to oncology research and cancer treatment.

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Experimental and Therapeutic Medicine is an international journal devoted to laboratory and clinical medicine.

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Oncology Letters is an international journal devoted to Experimental and Clinical Oncology.

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Article

RhoBTB2 gene in breast cancer is silenced by promoter methylation

  • Authors:
    • Weiwei Tang
    • Chuan Wang
    • Fangmeng Fu
    • Qiang Chen
  • View Affiliations / Copyright

    Affiliations: Department of Oncology, Graduate School of Education, Fujian Medical University, Fuzhou, Fujian, P.R. China, Department of Galactophore Surgery, Affiliated Union Hospital, Fujian Medical University, Fuzhou, Fujian, P.R. China
  • Pages: 722-728
    |
    Published online on: December 18, 2013
       https://doi.org/10.3892/ijmm.2013.1593
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Abstract

Mutation analysis in breast cancer has failed to explain the inactivation of RhoBTB2, a candidate breast cancer tumor suppressor gene on chromosome 8p. Some breast cancer‑related genes in this region become inactivated by hypermethylation, and hypermethylation of RhoBTB2 abrogates its expression in bladder cancers. The aim of the present study was to determine whether RhoBTB2 was silenced by methylation in breast cancer. Nested methylation‑specific PCR (nMSP) and quantitative reverse transcription PCR were used to analyze the methylation status and mRNA levels of RhoBTB2 in 50 paired breast cancer and normal tissues and the results were correlated with clinicopathological characteristics. Promoter methylation and the downregulation of RhoBTB2 mRNA was observed in tumor tissues (P<0.001). mRNA levels were decreased in samples with methylation (χ2 = 15.751, P<0.001). RhoBTB2 methylation was observed preferentially in progesterone receptor (PR)‑negative samples (P<0.05). The results demonstrated that aberrant methylation of RhoBTB2 may be responsible for the suppression of RhoBTB2 mRNA expression in breast cancer, a significant event during the genesis of breast cancer that correlated with PR status.
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Copy and paste a formatted citation
Spandidos Publications style
Tang W, Wang C, Fu F and Chen Q: RhoBTB2 gene in breast cancer is silenced by promoter methylation. Int J Mol Med 33: 722-728, 2014.
APA
Tang, W., Wang, C., Fu, F., & Chen, Q. (2014). RhoBTB2 gene in breast cancer is silenced by promoter methylation. International Journal of Molecular Medicine, 33, 722-728. https://doi.org/10.3892/ijmm.2013.1593
MLA
Tang, W., Wang, C., Fu, F., Chen, Q."RhoBTB2 gene in breast cancer is silenced by promoter methylation". International Journal of Molecular Medicine 33.3 (2014): 722-728.
Chicago
Tang, W., Wang, C., Fu, F., Chen, Q."RhoBTB2 gene in breast cancer is silenced by promoter methylation". International Journal of Molecular Medicine 33, no. 3 (2014): 722-728. https://doi.org/10.3892/ijmm.2013.1593
Copy and paste a formatted citation
x
Spandidos Publications style
Tang W, Wang C, Fu F and Chen Q: RhoBTB2 gene in breast cancer is silenced by promoter methylation. Int J Mol Med 33: 722-728, 2014.
APA
Tang, W., Wang, C., Fu, F., & Chen, Q. (2014). RhoBTB2 gene in breast cancer is silenced by promoter methylation. International Journal of Molecular Medicine, 33, 722-728. https://doi.org/10.3892/ijmm.2013.1593
MLA
Tang, W., Wang, C., Fu, F., Chen, Q."RhoBTB2 gene in breast cancer is silenced by promoter methylation". International Journal of Molecular Medicine 33.3 (2014): 722-728.
Chicago
Tang, W., Wang, C., Fu, F., Chen, Q."RhoBTB2 gene in breast cancer is silenced by promoter methylation". International Journal of Molecular Medicine 33, no. 3 (2014): 722-728. https://doi.org/10.3892/ijmm.2013.1593
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