Absence of Dickkopf (Dkk)-3 protein expression is correlated with longer disease-free survival and lower incidence of metastasis in head and neck squamous cell carcinoma

Naoki Katase, Mathieu Lefeuvre, Mehmet Gunduz, Esra Gunduz, Levent Bekir Beder, Reidar Grenman, Masae Fujii, Ryo Tamamura, Hidetsugu Tsujigiwa, Hitoshi Nagatsuka

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

Head and neck squamous cell carcinoma (HNSCC) is one of the most frequently occurring types of cancer worldwide. We focused on the fact that the aberrant function of Wnt/β-catenin signaling is a frequent event in malignancies. Dickkopf (Dkk)-3 is a major negative regulator of Wnt/β catenin signaling, which is a known tumor suppressor and is down regulated in various types of cancer. However, the expression profile of the Dkk-3 protein in HNSCC has not yet been reported. The present study was conducted to investigate Dkk-3 protein expression in 90 cases of HNSCC tissue samples and HNSCC-derived cell lines. In contrast to findings available on other types of cancer, the Western blot analysis revealed that HNSCC cell lines expressed the Dkk-3 protein. In immunohistochemistry, 76 cases (84.4%) out of 90 tissue samples were Dkk-3-positive, whereas only 14 cases (15.6%) were negative. Notably, survival analysis showed that the Dkk-3 (-) group exhibited significantly longer disease-free survival (p=0.038), metastasis-free survival (p=0.013) and longer overall survival (p=0.155). The results showed that the Dkk-3 protein was dominantly expressed and may be involved in carcinogenesis and metastasis in HNSCC. Moreover, the findings suggest that the function of Dkk-3 differs depending on the tissue of origin, and that it may exert an oncogenic function in HNSCC.

Original languageEnglish
Pages (from-to)273-280
Number of pages8
JournalOncology Letters
Volume3
Issue number2
DOIs
Publication statusPublished - Feb 2012

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Disease-Free Survival
Neoplasm Metastasis
Incidence
Proteins
Catenins
Neoplasms
Cell Line
Survival Analysis
Carcinoma, squamous cell of head and neck
Carcinogenesis
Western Blotting
Immunohistochemistry

Keywords

  • Dkk-3
  • Head and neck squamous cell carcinoma
  • Immunohistochemistry

ASJC Scopus subject areas

  • Oncology
  • Cancer Research

Cite this

Absence of Dickkopf (Dkk)-3 protein expression is correlated with longer disease-free survival and lower incidence of metastasis in head and neck squamous cell carcinoma. / Katase, Naoki; Lefeuvre, Mathieu; Gunduz, Mehmet; Gunduz, Esra; Beder, Levent Bekir; Grenman, Reidar; Fujii, Masae; Tamamura, Ryo; Tsujigiwa, Hidetsugu; Nagatsuka, Hitoshi.

In: Oncology Letters, Vol. 3, No. 2, 02.2012, p. 273-280.

Research output: Contribution to journalArticle

Katase, Naoki ; Lefeuvre, Mathieu ; Gunduz, Mehmet ; Gunduz, Esra ; Beder, Levent Bekir ; Grenman, Reidar ; Fujii, Masae ; Tamamura, Ryo ; Tsujigiwa, Hidetsugu ; Nagatsuka, Hitoshi. / Absence of Dickkopf (Dkk)-3 protein expression is correlated with longer disease-free survival and lower incidence of metastasis in head and neck squamous cell carcinoma. In: Oncology Letters. 2012 ; Vol. 3, No. 2. pp. 273-280.
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