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Article

Prognostic significance of Wilms' tumor 1 expression in patients with pancreatic ductal adenocarcinoma

  • Authors:
    • Tomoya Kanai
    • Zensho Ito
    • Yusuke Oji
    • Machi Suka
    • Sumiyuki Nishida
    • Kazuki Takakura
    • Mikio Kajihara
    • Masayuki Saruta
    • Shuichi Fujioka
    • Takeyuki Misawa
    • Tadashi Akiba
    • Hiroyuki Yanagisawa
    • Shigetaka Shimodaira
    • Masato Okamoto
    • Haruo Sugiyama
    • Shigeo Koido
  • View Affiliations / Copyright

    Affiliations: Division of Gastroenterology and Hepatology, Department of Internal Medicine, The Jikei University School of Medicine, Kashiwa Hospital, Kashiwa, Chiba 277‑8567, Japan, Department of Functional Diagnostic Science, Osaka University Graduate School of Medicine, Suita, Osaka 565‑0871, Japan, Department of Public Health and Environmental Medicine, The Jikei University School of Medicine, Tokyo 105‑8571, Japan, Department of Respiratory Medicine and Clinical Immunology, Osaka University Graduate School of Medicine, Suita, Osaka 565‑0871, Japan, Division of Gastroenterology and Hepatology, Department of Internal Medicine, The Jikei University School of Medicine, Tokyo 105‑8571, Japan, Department of Surgery, The Jikei University School of Medicine, Kashiwa Hospital, Kashiwa, Chiba 277‑8567, Japan, Department of Regenerative Medicine, Kanazawa Medical University, Uchinada, Ishikawa 920‑0293, Japan, Department of Advanced Immunotherapeutics, Osaka University Graduate School of Medicine, Suita, Osaka 565‑0871, Japan, Department of Cancer Immunology, Osaka University Graduate School of Medicine, Suita, Osaka 565‑0871, Japan
  • Pages: 2682-2692
    |
    Published online on: June 13, 2018
       https://doi.org/10.3892/ol.2018.8961
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Abstract

The only current curative treatment for patients with pancreatic ductal adenocarcinoma (PDA) is surgical resection, and certain patients still succumb to disease shortly after complete surgical resection. Wilms' tumor 1 (WT1) serves an oncogenic role in various types of tumors; therefore, in the present study, WT1 protein expression in patients with PDA was analyzed and the association with overall survival (OS) and disease‑free survival (DFS) time in patients with PDA was assessed following surgical resection. A total of 50 consecutive patients with PDA who received surgical resection between January 2005 and December 2015 at the Jikei University Kashiwa Hospital (Kashiwa, Chiba, Japan) were enrolled. WT1 protein expression in PDA tissue was measured using immunohistochemical staining. Furthermore, laboratory parameters were measured within 2 weeks of surgery, and systemic inflammatory response markers were evaluated. WT1 protein expression was detected in the nucleus and cytoplasm of all PDA cells and in tumor vessels. WT1 exhibited weak staining in the nuclei of all PDA cells; however, the cytoplasmic expression of WT1 levels was classified into four groups: Negative (n=0), weak (n=19), moderate (n=23) and strong (n=8). In patients with PDA, it was demonstrated that the OS and DFS times of patients with weak cytoplasmic WT1 expression were significantly prolonged compared with those of patients with moderate‑to‑strong cytoplasmic WT1 expression, as determined by log‑rank test (P=0.0005 and P=0.0001, respectively). Furthermore, an association between the density of WT1‑expressing tumor vessels and worse OS/DFS times was detected. Multivariate analysis also indicated a significant association between the overexpression of WT1 in PDA tissue and worse OS/DFS times. To the best of our knowledge, the present study is the first to demonstrate that moderate‑to‑strong overexpression of WT1 in the cytoplasm of PDA cells is significantly associated with worse OS/DFS times. Therefore, overexpression of WT1 in the cytoplasm of PDA cells may impact the recurrence and prognosis of patients with PDA following surgical resection. The results further support the development of WT1‑targeted therapies to prolong survival in all patients with PDA.
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Copy and paste a formatted citation
Spandidos Publications style
Kanai T, Ito Z, Oji Y, Suka M, Nishida S, Takakura K, Kajihara M, Saruta M, Fujioka S, Misawa T, Misawa T, et al: Prognostic significance of Wilms' tumor 1 expression in patients with pancreatic ductal adenocarcinoma. Oncol Lett 16: 2682-2692, 2018.
APA
Kanai, T., Ito, Z., Oji, Y., Suka, M., Nishida, S., Takakura, K. ... Koido, S. (2018). Prognostic significance of Wilms' tumor 1 expression in patients with pancreatic ductal adenocarcinoma. Oncology Letters, 16, 2682-2692. https://doi.org/10.3892/ol.2018.8961
MLA
Kanai, T., Ito, Z., Oji, Y., Suka, M., Nishida, S., Takakura, K., Kajihara, M., Saruta, M., Fujioka, S., Misawa, T., Akiba, T., Yanagisawa, H., Shimodaira, S., Okamoto, M., Sugiyama, H., Koido, S."Prognostic significance of Wilms' tumor 1 expression in patients with pancreatic ductal adenocarcinoma". Oncology Letters 16.2 (2018): 2682-2692.
Chicago
Kanai, T., Ito, Z., Oji, Y., Suka, M., Nishida, S., Takakura, K., Kajihara, M., Saruta, M., Fujioka, S., Misawa, T., Akiba, T., Yanagisawa, H., Shimodaira, S., Okamoto, M., Sugiyama, H., Koido, S."Prognostic significance of Wilms' tumor 1 expression in patients with pancreatic ductal adenocarcinoma". Oncology Letters 16, no. 2 (2018): 2682-2692. https://doi.org/10.3892/ol.2018.8961
Copy and paste a formatted citation
x
Spandidos Publications style
Kanai T, Ito Z, Oji Y, Suka M, Nishida S, Takakura K, Kajihara M, Saruta M, Fujioka S, Misawa T, Misawa T, et al: Prognostic significance of Wilms' tumor 1 expression in patients with pancreatic ductal adenocarcinoma. Oncol Lett 16: 2682-2692, 2018.
APA
Kanai, T., Ito, Z., Oji, Y., Suka, M., Nishida, S., Takakura, K. ... Koido, S. (2018). Prognostic significance of Wilms' tumor 1 expression in patients with pancreatic ductal adenocarcinoma. Oncology Letters, 16, 2682-2692. https://doi.org/10.3892/ol.2018.8961
MLA
Kanai, T., Ito, Z., Oji, Y., Suka, M., Nishida, S., Takakura, K., Kajihara, M., Saruta, M., Fujioka, S., Misawa, T., Akiba, T., Yanagisawa, H., Shimodaira, S., Okamoto, M., Sugiyama, H., Koido, S."Prognostic significance of Wilms' tumor 1 expression in patients with pancreatic ductal adenocarcinoma". Oncology Letters 16.2 (2018): 2682-2692.
Chicago
Kanai, T., Ito, Z., Oji, Y., Suka, M., Nishida, S., Takakura, K., Kajihara, M., Saruta, M., Fujioka, S., Misawa, T., Akiba, T., Yanagisawa, H., Shimodaira, S., Okamoto, M., Sugiyama, H., Koido, S."Prognostic significance of Wilms' tumor 1 expression in patients with pancreatic ductal adenocarcinoma". Oncology Letters 16, no. 2 (2018): 2682-2692. https://doi.org/10.3892/ol.2018.8961
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