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CBX3/HP1γ is upregulated in tongue squamous cell carcinoma and is associated with an unfavorable prognosis

  • Authors:
    • Huayong Zhang
    • Xiaoyan Fu
    • Xuan Su
    • Ankui Yang
  • View Affiliations / Copyright

    Affiliations: Department of Head and Neck Surgery, Sun Yan‑sen University Cancer Centre, Guangzhou, Guangdong 510000, P.R. China
    Copyright: © Zhang et al. This is an open access article distributed under the terms of Creative Commons Attribution License.
  • Pages: 4271-4276
    |
    Published online on: March 20, 2018
       https://doi.org/10.3892/etm.2018.5969
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Abstract

Increased expression of CBX3/HP1γ, a core component of heterochromatin protein 1, has recently proved to be involved in human tumorigenesis and patient prognosis. The present study aimed to investigate the expression of CBX3/HP1γ and its clinicopathological significance in primary tongue squamous cell carcinoma (TSCC). Gene expression profiles of CBX3/HP1γ in TSCC from Oncomine database were analyzed. The expression of CBX3/HP1γ at protein level was measured using immunohistochemistry (IHC). The potential associations between CBX3/HP1γ expression and multiple clinicopathological parameters were estimated using the Chi square test. In addition, the effect of CBX3/HP1γ expression on patients' survival was further assessed by Kaplan‑Meier and Cox regression analyses. The agreement of elevated CBX3/HP1γ expression was indicated in four datasets on the Oncomine database. Aberrant overexpression of CBX3/HP1γ was identified in TSCC tissues compared with cancer‑adjacent normal tissue, which was significantly associated with cervical nodes metastasis (P=0.010) and clinical stage (P=0.025). Furthermore, patients with high CBX3/HP1γ expression exhibited a reduced survival compared with those with low expression (Log‑rank test, P=0.004). Univariate and multivariate Cox regression analysis suggested that the expression status of CBX3/HP1γ could be regarded as an independent prognostic factor for TSCC patients (HR=2.461; 95% CI=1.128‑5.370; P=0.024). The present study indicated that aberrant overexpression of Cbx3/HP1γ was associated with cervical nodes metastasis and unfavorable survival in TSCC. These findings suggest that CBX3/HP1γ may serve an important role in tongue tumorigenesis and may be a valuable candidate diagnostic and prognostic marker for TSCC patients.
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Copy and paste a formatted citation
Spandidos Publications style
Zhang H, Fu X, Su X and Yang A: CBX3/HP1γ is upregulated in tongue squamous cell carcinoma and is associated with an unfavorable prognosis. Exp Ther Med 15: 4271-4276, 2018.
APA
Zhang, H., Fu, X., Su, X., & Yang, A. (2018). CBX3/HP1γ is upregulated in tongue squamous cell carcinoma and is associated with an unfavorable prognosis. Experimental and Therapeutic Medicine, 15, 4271-4276. https://doi.org/10.3892/etm.2018.5969
MLA
Zhang, H., Fu, X., Su, X., Yang, A."CBX3/HP1γ is upregulated in tongue squamous cell carcinoma and is associated with an unfavorable prognosis". Experimental and Therapeutic Medicine 15.5 (2018): 4271-4276.
Chicago
Zhang, H., Fu, X., Su, X., Yang, A."CBX3/HP1γ is upregulated in tongue squamous cell carcinoma and is associated with an unfavorable prognosis". Experimental and Therapeutic Medicine 15, no. 5 (2018): 4271-4276. https://doi.org/10.3892/etm.2018.5969
Copy and paste a formatted citation
x
Spandidos Publications style
Zhang H, Fu X, Su X and Yang A: CBX3/HP1γ is upregulated in tongue squamous cell carcinoma and is associated with an unfavorable prognosis. Exp Ther Med 15: 4271-4276, 2018.
APA
Zhang, H., Fu, X., Su, X., & Yang, A. (2018). CBX3/HP1γ is upregulated in tongue squamous cell carcinoma and is associated with an unfavorable prognosis. Experimental and Therapeutic Medicine, 15, 4271-4276. https://doi.org/10.3892/etm.2018.5969
MLA
Zhang, H., Fu, X., Su, X., Yang, A."CBX3/HP1γ is upregulated in tongue squamous cell carcinoma and is associated with an unfavorable prognosis". Experimental and Therapeutic Medicine 15.5 (2018): 4271-4276.
Chicago
Zhang, H., Fu, X., Su, X., Yang, A."CBX3/HP1γ is upregulated in tongue squamous cell carcinoma and is associated with an unfavorable prognosis". Experimental and Therapeutic Medicine 15, no. 5 (2018): 4271-4276. https://doi.org/10.3892/etm.2018.5969
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