Expression and localization of E-cadherin and β-catenin in uterine carcinosarcoma

Izumi Nishimura, Yoshihiro Ohishi, Yoshinao Oda, Junji Kishimoto, Masafumi Yasunaga, Emi Okuma, Hiroaki Kobayashi, Norio Wake, Masazumi Tsuneyoshi

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Abstract

This study was designed to analyze the subcellular localization of E-cadherin and β-catenin both of which play a critical role in cell-cell adhesion in uterine carcinosarcoma (UCS). We performed an immunohistochemical reaction analysis of the subcellular localization of E-cadherin and β-catenin proteins in 46 cases of UCSs consisting of 28 UCSs with heterologous sarcoma and 18 UCSs with homologous sarcoma and compared their clinicopathological features. In most UCSs, membranous expression of E-cadherin and β-catenin was completely lost in sarcomatous components, but it was preserved in carcinomatous components. Nuclear β-catenin expression was observed significantly more frequently in sarcomatous components (31/46, 67.4%) than in carcinomatous components (22/46, 47.8%; P=0.0025). In sarcomatous components, nuclear β-catenin expression was found significantly more frequently in heterologous sarcoma (23/28, 82.1%) than in homologous sarcoma (8/18, 44.4%; P=0.0279). The stage was the only independent prognostic significant factor. These results suggest that reduced membranous expression of E-cadherin and β-catenin may contribute to the biphasic morphology of UCS. Furthermore, although the precise mechanism is unclear, nuclear β-catenin expression in sarcomatous components may also be associated with biphasic morphology and heterologous sarcomatous differentiation.

Original languageEnglish
Pages (from-to)85-94
Number of pages10
JournalVirchows Archiv
Volume458
Issue number1
DOIs
Publication statusPublished - Jan 1 2011

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Carcinosarcoma
Catenins
Cadherins
Sarcoma
Cell Adhesion
Neoplasms

All Science Journal Classification (ASJC) codes

  • Pathology and Forensic Medicine
  • Molecular Biology
  • Cell Biology

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Expression and localization of E-cadherin and β-catenin in uterine carcinosarcoma. / Nishimura, Izumi; Ohishi, Yoshihiro; Oda, Yoshinao; Kishimoto, Junji; Yasunaga, Masafumi; Okuma, Emi; Kobayashi, Hiroaki; Wake, Norio; Tsuneyoshi, Masazumi.

In: Virchows Archiv, Vol. 458, No. 1, 01.01.2011, p. 85-94.

Research output: Contribution to journalArticle

Nishimura, Izumi ; Ohishi, Yoshihiro ; Oda, Yoshinao ; Kishimoto, Junji ; Yasunaga, Masafumi ; Okuma, Emi ; Kobayashi, Hiroaki ; Wake, Norio ; Tsuneyoshi, Masazumi. / Expression and localization of E-cadherin and β-catenin in uterine carcinosarcoma. In: Virchows Archiv. 2011 ; Vol. 458, No. 1. pp. 85-94.
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