Expression of E-cadherin and α- and β-catenins in thymoma

Chin Chen Pan, D. M T Ho, W. Y K Chen, Hung Chiang, Huei J. Fahn, Liang Shun Wang

研究成果: 雜誌貢獻文章同行評審

12 引文 斯高帕斯(Scopus)


Expression of the cell adhesion molecules including E-cadherin and its cytosolic binding proteins, α- and β-catenins, has been widely studied in a variety of tumours, but not, to date, in thymic epithelial tumours. To observe the expression pattern of these adhesion molecules, immunohistochemical stains for E-cadherin (E-CD) and α- and β-catenins were performed on 89 cases of thymoma which were classified as cortical (57 cases), mixed (18 cases), and medullary (14 cases), based on the classification of Marino and Muller-Hermelink. The majority of cortical thymomas showed diffuse and homogenous membrane immunoreactivity for these molecules (88 per cent for E-CD; 86 per cent for α-catenin; 91 per cent for β-catenin) and the remaining cases showed heterogeneous immunoreactivity, whereas almost all mixed and medullary thymomas revealed decreased expression or were negative. In each histological subtype of thymoma, the expression did not correlate with invasion or with the presence of myasthenia gravis. These results indicate that the expression of E-CD and α- and β-catenins is more closely associated with the histological subtypes of thymoma than with their biological behaviour.

頁(從 - 到)207-211
期刊Journal of Pathology
出版狀態已發佈 - 2月 1998

ASJC Scopus subject areas

  • 病理學與法醫學


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