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Carcinoembryonic Antigen (CEA) in the Normal Human Small Intestine: a Light and Electron Microscopic Study

Overview
Journal Gut
Specialty Gastroenterology
Date 1977 Oct 1
PMID 338442
Citations 4
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Abstract

An immunoperoxidase method for the demonstration of carcinoembryonic antigen (CEA) in tissues was applied to formalin-fixed paraffin embedded and glutaraldehyde-fixed resin sections of normal human small intestine. CEA could easily be demonstrated coating the surface of the small intestine, lining the crypts, and in goblet cells, indicating its presence there in considerable concentration. At the ultrastructural level CEA was localised in the glycocalyx and in mucin granules of goblet cells but not intracytoplasmically.

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Immunohistochemistry of carcinoembryonic antigen: characterisation of cross-reactions with other glycoproteins.

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