GADD45A expression is correlated with patient prognosis in esophageal cancer

  • Authors:
    • Hideyuki Ishiguro
    • Masahiro Kimura
    • Hiroki Takahashi
    • Tatsuya Tanaka
    • Koji Mizoguchi
    • Hiromitsu Takeyama
  • View Affiliations

  • Published online on: November 6, 2015     https://doi.org/10.3892/ol.2015.3882
  • Pages: 277-282
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Abstract

The prognosis of patients with esophageal cancer remains poor, and the tumor-node-metastasis classification system is not sufficient for predicting patient prognoses. Therefore, the identification of novel predictive markers for esophageal cancer is required. The present study investigated the clinicopathological significance of growth arrest and DNA damage‑inducible 45α (GADD45A) and p53 in resectable esophageal squamous cell carcinoma (ESCC). The study consisted of 62 patients with esophageal cancer who underwent surgery between 2001 and 2007. The expression of the GADD45A gene product (GADD45A) and the p53 protein was analyzed by immunohistochemistry. The correlations among GADD45A expression, clinicopathological factors and prognosis were then analyzed in the patients with ESCC. GADD45A and p53 were expressed in 56.5% (35/62) and 48.4% (30/62) of patients, respectively. The expression of GADD45A did not show a marked correlation with that of p53. However, GADD45A expression correlated with pathological stage (stage 0-I vs. stages II‑IV; P=0.014) and did not correlate with the tumor (T) or node (N) status. Furthermore, patients who were positive for GADD45A exhibited a significantly higher survival rate than those who were negative for GADD45A (log‑rank test, P=0.009). Multivariate analysis indicated that T status, N status and GADD45A expression were significant variables predicting survival (hazard ratio, 2.486; 95% confidence interval, 1.168‑5.290; P=0.018). Overall, GADD45A expression significantly affected the survival of patients with ESCC, and the reduced expression of GADD45A was correlated with a poor prognosis following curative surgery in these patients.
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January-2016
Volume 11 Issue 1

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

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Spandidos Publications style
Ishiguro H, Kimura M, Takahashi H, Tanaka T, Mizoguchi K and Takeyama H: GADD45A expression is correlated with patient prognosis in esophageal cancer. Oncol Lett 11: 277-282, 2016.
APA
Ishiguro, H., Kimura, M., Takahashi, H., Tanaka, T., Mizoguchi, K., & Takeyama, H. (2016). GADD45A expression is correlated with patient prognosis in esophageal cancer. Oncology Letters, 11, 277-282. https://doi.org/10.3892/ol.2015.3882
MLA
Ishiguro, H., Kimura, M., Takahashi, H., Tanaka, T., Mizoguchi, K., Takeyama, H."GADD45A expression is correlated with patient prognosis in esophageal cancer". Oncology Letters 11.1 (2016): 277-282.
Chicago
Ishiguro, H., Kimura, M., Takahashi, H., Tanaka, T., Mizoguchi, K., Takeyama, H."GADD45A expression is correlated with patient prognosis in esophageal cancer". Oncology Letters 11, no. 1 (2016): 277-282. https://doi.org/10.3892/ol.2015.3882