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Short-term tests and long-term prospects for colon cancer prevention
Five assay systems that have been used for identifying possible carcinogenic factors responsible for human colon cancer are described. These are:...
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Differential expression of HLA-DR, HLA-DP, HLA-DQ and associated invariant chain (Ii) in normal colorectal mucosa, adenoma and carcinoma
The expression of MHC class II antigens (HLA-DR, HLA-DP and HLA-DQ) and the associated invariant chain (Ii) was studied in epithelial cells of normal...
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Squamous differentiation in colorectal adenomas
Patterns of stratified squamous epithelium have been recognized recently in colorectal adenomas. Light microscopic and keratin immunohistochemical...
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The fine structure of regenerating epithelium in the small intestine
Ischaemic necrosis of the villi was produced by occlusion of the superior mesenteric artery for 1 hour and subsequent regeneration of the epithelium...