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김진복,김용일,김우호,양한광,이원애 대한소화기학회 1998 대한소화기학회지 Vol.32 No.1
Background/Aims: Mac-2 antigen is a phosphoprotein involved in cell adhesion and cell division. It is also known to be up-regulated by transfection of oncogenes. Methods: To investigate the clinical significance of Mac-2 antigen in gastric careinoma, we analyzed 92 cases of Korean patients with gastric cancer in the aspect of the Mac-2 antigen expression and its relation with clinicopathological parameters. Results: The Mac-2 antigen was not expressed in normal gastric mucosa, but was positive focally in the epithelium with intestinal metaplasia. Increased expression was observed in 52 cases of gastric carcinoma (56.5%) out of 92 cases. The increased expression of Mac-2 in the tumor was positively correlated with stromal collagen production. The Mac-2 expression was not correlated with histologic type, depth of invasion, inflammatory reaction, lymph node metastasis, or clinical stage. Conclusions: The Mac-2 expression is positively correlated with desmoplastic reaction of the gastric carcinoma tissue. Further study will be needed to elucidate the mechanism.