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Abnormal accumulation of p53 predicts radioresistance leading to poor survival in patients with endometrial carcinoma

  • Authors:
    • Azusa Akiyama
    • Takeo Minaguchi
    • Kaoru Fujieda
    • Yoshihiko Hosokawa
    • Keiko Nishida
    • Ayumi Shikama
    • Nobutaka Tasaka
    • Manabu Sakurai
    • Hiroyuki Ochi
    • Toyomi Satoh
  • View Affiliations / Copyright

    Affiliations: Department of Obstetrics and Gynecology, Faculty of Medicine, University of Tsukuba, Tsukuba, Ibaraki 305‑8575, Japan
    Copyright: © Akiyama et al. This is an open access article distributed under the terms of Creative Commons Attribution License [CC BY 4.0].
  • Pages: 5952-5958
    |
    Published online on: September 30, 2019
       https://doi.org/10.3892/ol.2019.10940
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Abstract

Type II endometrial carcinoma mainly originates from p53 aberration. However, the detailed prognostic significance of p53 aberration in endometrial carcinoma remains to be clarified. In the present study, abnormal p53 accumulation was analyzed using immunohistochemical techniques in endometrial carcinoma samples derived from 221 consecutive patients. The expression levels of p53 were associated with clinicopathological parameters and patient survival. P53 overexpression was observed in 37/221 patients (17%), and was associated with non‑endometrioid histology, post‑menopause and advanced tumor stage (III/IV; P=0.0006, P=0.03 and P=0.025, respectively). Survival analysis indicated that patients with p53‑overexpressing tumors exhibited poor overall survival (OS) compared with patients without p53 overexpression (P<0.000001). Univariate and multivariate analyses demonstrated that the parameters p53 overexpression, age ≥70, non‑endometrioid histology and advanced stage were significant and independent prognostic factors for poor OS (P=0.00012, P=0.00048, P=0.0027 and P=0.0015, respectively). Additionally, adjuvant radiotherapy was associated with increased OS in patients without p53 overexpression. This finding was not observed for patients with adjuvant chemotherapy. In contrast to patients without p53 overexpression, patients with p53 overexpression exhibited no association with OS (P=0.02 vs. P=0.40). Notably, adjuvant radiotherapy was identified to be a significant prognostic factor for favorable OS in the subset of patients that did not exhibit p53 overexpression and received post‑operative treatment (P=0.026). The findings suggested that abnormal p53 accumulation may influence patient survival via unfavorable biological tumor properties, including rapid progression and radioresistance. The present study offered valuable insights for the genome‑directed management of endometrial carcinoma.
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Copy and paste a formatted citation
Spandidos Publications style
Akiyama A, Minaguchi T, Fujieda K, Hosokawa Y, Nishida K, Shikama A, Tasaka N, Sakurai M, Ochi H, Satoh T, Satoh T, et al: Abnormal accumulation of p53 predicts radioresistance leading to poor survival in patients with endometrial carcinoma . Oncol Lett 18: 5952-5958, 2019.
APA
Akiyama, A., Minaguchi, T., Fujieda, K., Hosokawa, Y., Nishida, K., Shikama, A. ... Satoh, T. (2019). Abnormal accumulation of p53 predicts radioresistance leading to poor survival in patients with endometrial carcinoma . Oncology Letters, 18, 5952-5958. https://doi.org/10.3892/ol.2019.10940
MLA
Akiyama, A., Minaguchi, T., Fujieda, K., Hosokawa, Y., Nishida, K., Shikama, A., Tasaka, N., Sakurai, M., Ochi, H., Satoh, T."Abnormal accumulation of p53 predicts radioresistance leading to poor survival in patients with endometrial carcinoma ". Oncology Letters 18.6 (2019): 5952-5958.
Chicago
Akiyama, A., Minaguchi, T., Fujieda, K., Hosokawa, Y., Nishida, K., Shikama, A., Tasaka, N., Sakurai, M., Ochi, H., Satoh, T."Abnormal accumulation of p53 predicts radioresistance leading to poor survival in patients with endometrial carcinoma ". Oncology Letters 18, no. 6 (2019): 5952-5958. https://doi.org/10.3892/ol.2019.10940
Copy and paste a formatted citation
x
Spandidos Publications style
Akiyama A, Minaguchi T, Fujieda K, Hosokawa Y, Nishida K, Shikama A, Tasaka N, Sakurai M, Ochi H, Satoh T, Satoh T, et al: Abnormal accumulation of p53 predicts radioresistance leading to poor survival in patients with endometrial carcinoma . Oncol Lett 18: 5952-5958, 2019.
APA
Akiyama, A., Minaguchi, T., Fujieda, K., Hosokawa, Y., Nishida, K., Shikama, A. ... Satoh, T. (2019). Abnormal accumulation of p53 predicts radioresistance leading to poor survival in patients with endometrial carcinoma . Oncology Letters, 18, 5952-5958. https://doi.org/10.3892/ol.2019.10940
MLA
Akiyama, A., Minaguchi, T., Fujieda, K., Hosokawa, Y., Nishida, K., Shikama, A., Tasaka, N., Sakurai, M., Ochi, H., Satoh, T."Abnormal accumulation of p53 predicts radioresistance leading to poor survival in patients with endometrial carcinoma ". Oncology Letters 18.6 (2019): 5952-5958.
Chicago
Akiyama, A., Minaguchi, T., Fujieda, K., Hosokawa, Y., Nishida, K., Shikama, A., Tasaka, N., Sakurai, M., Ochi, H., Satoh, T."Abnormal accumulation of p53 predicts radioresistance leading to poor survival in patients with endometrial carcinoma ". Oncology Letters 18, no. 6 (2019): 5952-5958. https://doi.org/10.3892/ol.2019.10940
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