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HOME > J Pathol Transl Med > Volume 38(6); 2004 > Article
Original Article CD24 Expression in Gastric Adenocarcinoma Is Associated with Tumor Invasiveness.
Kyeong Cheon Jung, Jae Nam Seo, Tae Woon Kim, Young Mi Choi, Kwon Ik Oh, Hun Ho Song, Hyung Sik Shin, Young Euy Park
Journal of Pathology and Translational Medicine 2004;38(6):388-393
DOI: https://doi.org/
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1Departments of Pathology, Hallym University College of Medicine, Chuncheon, Korea. yepark@hallym.ac.kr
2Departments of Internal Medicine, Hallym University College of Medicine, Chuncheon, Korea.

BACKGROUND
CD24, also referred to as the heat stable antigen in mice, is a glycosyl phosphatidylinositol- linked glycoprotein expressed by thymocytes, B cells, neutrophils and immature neuronal cells. It has been recently observed in a variety of human malignancy. Here, we demonstrated the expression of CD24 in gastric adenocarcinomas.
METHODS
A total of 40 gastric adenocarcinomas and 20 tubular adenomas were immunohistochemically examined for the expression of CD24 and matrix metalloproteinase-2 (MMP-2) proteins. The immunoreactivity of CD24 was semiquantitatively scored (0, 1+, 2+) and compared with clinicopathologic variables and MMP-2 expression in tumor cells.
RESULTS
CD24 was rarely expressed in normal gastric tissue and not expressed in tubular adenoma. In contrast, a moderate/strong expression (2+) of CD24 was observed in 25% of gastric adenocarcinomas, and 30% cases showed a weak CD24 staining (1+). Moreover, CD24 expression was significantly correlated with the depth of tumor invasion and MMP-2 expression.
CONCLUSION
These results suggest that the aberrant expression of CD24 in gastric adenocarcinomas might be associated with tumor progression and invasiveness.


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