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HOME > J Pathol Transl Med > Volume 31(4); 1997 > Article
Original Article The Expression of CD44H and CD44v6 in Gastric Adenocarcinoma.
Myoung Jin Ju, Hae Kyung Lee, Kwang Min Lee, Dong Kyu Chung, Choo Hong Park
Journal of Pathology and Translational Medicine 1997;31(4):326-331
DOI: https://doi.org/
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1Department of Anatomic Pathology, Presbyterian Medical Center, Chunju 560-750, Korea.
2Christian Medical Research Center, Presbyterian Medical Center, Chunju 560-750, Korea.

CD44, also known as the Hermes antigen, H-CAM, pgp-1 antigen, and extracellular matrix receptor ECM-III, is a widely distributed integral membrane protein that exists in a variety of forms with different molecular sizes ranging from 85kd to 160kd. A number of evidence implicates CD44 as a cell adhesion molecule with a possible role in tumor progression. To evaluate the possible roles of CD44 in the metastatic process of gastric carcinoma to the regional lymph nodes, we applicated immunohistochemical stains with the CD44H and CD44v6 primary antibodies onto the 2 groups of gastric adenocarcinomas. Each group was comprised of 22 primary tumors extending to the subserosa, and one group showed nodal metastasis, while the other group did not. Seventeen primary tumors (77%) out of the 22 cases with the nodal metastasis demonstrated positivity to the CD44v6, while only 9 primary tumors (41%) out of the 22 cases without nodal metastasis did. However CD44H immunoreactivity was demonstrated in tumor cells of all cases (100%) of both groups as well as in the normal cell components. These results suggest that CD44H form is not related to the metastasis to the regional lymph nodes of gastric carcinoma. However, the expression of CD44v6 seems to play a certain role in the metastatic process of the gastric carcinoma.

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