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Med Mol Morphol. 2013 Mar;46(1):20-3. doi: 10.1007/s00795-012-0004-x. Epub 2013 Jan 10.

Expression of podoplanin/D2-40 in pericryptal stromal cells in superficial colorectal epithelial neoplasia.

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1
Department of Pathology and Laboratory Medicine, Hiroshima General Hospital of West Japan Railway Company, 3-1-36 Futabanosato, Higashi-ku, Hiroshima, Japan. hinakayama-path@umin.ac.jp

Abstract

The aim of this study is to investigate the distribution and roles of podoplanin/D2-40-positive pericryptal stromal cells in superficial colorectal epithelial neoplasia. A total of 105 superficial colorectal epithelial tumors were examined: 65 tubular/tubulovillous adenomas, 32 adenocarcinomas in situ, and 8 submucosally invasive adenocarcinomas. Immunohistochemical analysis was performed using the monoclonal antibody to podoplanin/clone D2-40, which is reactive in both lymphatic endothelial cells and activated stromal cells, but negative in vascular endothelial cells. We found 50 (78 %) of 65 tubular/tubulovillous adenomas, 30 (94 %) of 32 adenocarcinomas in situ, and all 8 (100 %) submucosally invasive adenocarcinomas had podoplanin/D2-40-positive pericryptal stromal cells, whereas all normal colorectal mucosae had no podoplanin/D2-40-positive pericryptal stromal cells. The presence of podoplanin/D2-40-positive pericryptal stromal cells is associated with epithelial tumorigenesis in the colorectum.

PMID:
23306662
DOI:
10.1007/s00795-012-0004-x
[Indexed for MEDLINE]
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