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Immunohistochemical localization of Leu‐M 1 carbohydrate antigen in human oral squamous cell carcinoma

Immunohistochemical localization of Leu‐M 1 carbohydrate antigen in human oral squamous cell... Twenty‐six biopsy specimens of oral squamous cell carcinomas were examined by the avidin biotin peroxidase complex (ABC) method for the presence of an epithelial cell membrane bound lacto‐N‐fucopentaose III, known also as Leu‐M1 or Lex antigen. In normal oral epithelium, Leu‐M1 antigen was expressed on keratinizing epithelia in the stratum spinosum. In well‐differentiated carcinomas the antigen was found on the cell membrane of nucleate cells in infiltrating epithelial islands. Such pattern in moderately welland in poorly differentiated carcinomas was minimally expressed and was associated with flattened squamous cells or otherwise recorded negative. Leu‐M, antigen immunoreactivity in normal oral epithelia and in carcinomas was comparable to that of blood group H‐2 chain that were examined. It was concluded that the intensity of the reaction parallels the magnitude of differentiation of epithelia. Leu‐M1 antigen can serve as a marker of differentiation in oral squamous epithelium. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Oral Pathology & Medicine Wiley

Immunohistochemical localization of Leu‐M 1 carbohydrate antigen in human oral squamous cell carcinoma

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References (31)

Publisher
Wiley
Copyright
Copyright © 1989 Wiley Subscription Services, Inc., A Wiley Company
ISSN
0904-2512
eISSN
1600-0714
DOI
10.1111/j.1600-0714.1989.tb01351.x
Publisher site
See Article on Publisher Site

Abstract

Twenty‐six biopsy specimens of oral squamous cell carcinomas were examined by the avidin biotin peroxidase complex (ABC) method for the presence of an epithelial cell membrane bound lacto‐N‐fucopentaose III, known also as Leu‐M1 or Lex antigen. In normal oral epithelium, Leu‐M1 antigen was expressed on keratinizing epithelia in the stratum spinosum. In well‐differentiated carcinomas the antigen was found on the cell membrane of nucleate cells in infiltrating epithelial islands. Such pattern in moderately welland in poorly differentiated carcinomas was minimally expressed and was associated with flattened squamous cells or otherwise recorded negative. Leu‐M, antigen immunoreactivity in normal oral epithelia and in carcinomas was comparable to that of blood group H‐2 chain that were examined. It was concluded that the intensity of the reaction parallels the magnitude of differentiation of epithelia. Leu‐M1 antigen can serve as a marker of differentiation in oral squamous epithelium.

Journal

Journal of Oral Pathology & MedicineWiley

Published: Oct 1, 1989

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