Immunohistochemical Expression of E-Cadherin in Salivary Glands and Their Tumors

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著者

    • YAMADA Kazuto
    • Department of Oral & Maxillofacial Surgery, Asahi University School of Dentistry
    • KUDEKEN Wataru
    • Department of Oral & Maxillofacial Surgery, Asahi University School of Dentistry
    • MURAMATU Yasunori
    • Department of Oral & Maxillofacial Surgery, Asahi University School of Dentistry
    • SHIBA Takeshi
    • Department of Oral & Maxillofacial Surgery, Asahi University School of Dentistry
    • TAKAI Yoshiaki
    • Department of Oral & Maxillofacial Surgery, Asahi University School of Dentistry
    • MORI Masahiko
    • Department of Oral & Maxillofacial Surgery, Asahi University School of Dentistry
    • SPEIGHT Paul M.
    • Department of Oral Pathology, Eastman Dental Institute, University of London

抄録

E-cadherin is a calcium dependent cell adhesion molecule, important in cell to cell interactions in epithelial tissues. The present study examined E-cadherin expression in normal salivary glands, pleomorphic adenoma, Warthin's tumor, mucoepidermoid carcinoma, acinic cell carcinoma, adenoid cystic carcinoma and adenocarcinoma of salivary glands in paraffin sections using a monoclonal antibody (5H9). This study is firstly reported E-cadherin expression in the salivary gland and tumors.<BR>In normal submandibular and parotid gland, E-cadherin staining was confined to the cell membrane of acinar and ductal cells. In excretory ducts, high columnar cells showed the strongest reaction at the basal aspect and ductal basal cells were weakly positive or negative, the basement membrane zone lacked staining. No E-cadherin reaction was observed in modified myoepithelial cells and plasmacytoid cells. In pleomorphic adenoma and mucoepidermoid carcinoma, E-cadherin was positive at the lateral cell membrane or whole cell membrane of duct-like structure and epidermoid cells. Acinic cell carcinoma was negative for E-cadherin. In adenoid cystic carcinoma, the expression was only found in cribriform areas. In adenocarcinoma, the staining was seen in the cell membrane of duct like structures and occasional cells showed a strong cytoplasmic reaction. Positive E-cadherin staining in salivary gland tumors was higher in benign tumors than in malignant tumors.

収録刊行物

  • Acta histochemica et cytochemica

    Acta histochemica et cytochemica 29(4), 305-310, 1996-08-01

    JAPAN SOCIETY OF HISTOCHEMISTRY AND CYTOCHEMISTRY

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各種コード

  • NII論文ID(NAID)
    10008605746
  • NII書誌ID(NCID)
    AA00508022
  • 本文言語コード
    ENG
  • 資料種別
    ART
  • ISSN
    00445991
  • データ提供元
    CJP書誌  CJP引用  J-STAGE 
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