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The Korean Journal of Pathology 1994;28(3): 272-281.
Immunohistochemical Analysis of Transforming Growth Factor-beta Expression in Gastric Adenocarcinoma.
Young Hee Choi, Seoung Wan Chae, Min Chul Lee, Jung Weon Shim, Hye Kyung Ahn, Hye Rim Park, Gu Kang, Hyung Sik Shin, Young Euy Park
Department of Pathology, College of Medicine, Hallym University, Chunchon, Korea.
Thirty cases of gastric adenocarcinoma were examined immunohistochemically for expression of transforming growth factor-beta(TGF-beta) in order to analyze significant correlation with clinical stage and pathologic grade of gastric adenocarcinoma. Specific immunostaining was clearly detected in the cytoplasm of the neoplastic cells. The TGF-,6 expression in the gastric adenocarcinoma is closely related to the depth of invasion, the degree of invasiveness and the presence of metastasis. Thus, we observed the stronger immunohistochemical. expression of TGF-beta in the deeper portion of invasion and in the invasive gastric adenocarcinomas with the lymph nodal metastasis than in the superficial portion of invasion and in those without the lymph nodal metastasis. There results suggest that the transforming growth factors expression in carcinoma cells may play an important role in the carcinomatous invasion resulting in metastasis.
Key Words: Gastric Adenocarcinoma; TGF-,6; Invasion; Metastasis