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pp.239-248
The purpose of this study was to evaJ uate the role of integrin a 3 and integrin ß 1 expression in the saivary gJand tumors. For this study, 11 specimens diagnosed as pleomorpic adenoma, adenoid cystic carcinoma, adenocarcinoma, mucoe pidermoid carcimoma referred to the Dept. of Oral Pathology‘ School of Dentistry, Kyung Hee University, 2 specimens 01' normaJ submandibular gland tissues were used as experimental, control groups respectively, All the tissues experimental and control group wel'e fixed in neutral formaJin solution and embedded in paraffin, seriaJ tissue section were made 511m in thickness and processed in the standard way for immunohistochemical method, using primary antibody against integrin a 3, and integrin ß 1 each was diluted at 1;100 followed by the poly- horse radish peroxidase detection system with DAB as chormogen counterstained with Mayel ’s hematoxylin stain method and mounted And examined unde1' the biologic micro scope with the criteria of no epitheliaJ stain, weak 01' focal epithelial stain, moderate 01' focal intensive epithelial s tain. intense generalized epithelial staining for the epithelial, and connective tissue components in no1'mal salivary gland, and saivary g land tumors : pleomorphic adenoma‘ adenoid cystic carcinoma, adenoca1'cinoma, mucoepide1'moid ca1'cinoma on each On the integ1'in α 3 reaction, negative to minimal posit ive reaction was noted on the salivary gland twnors and nor mal subma ndibular gland tlssues On the integrin ß 1 reactions, intense 1'eaction is shown on the serous demilune and ductal cells , and partly on the serous acini in submandibula1' gland tlssues On the integrin ß 1 reactions to pleomorphic adenoma tissues, moderate reactions were noted on the ductal celJs and myoepithelial cells. On the integrin ß 1 reactions to adenoid cystic ca rci noma‘ adenocarcinoma, mucoepidermoid ca1'cinoma tissues, intense reactions were shown on the neo plastic cell s , This resuJt suggest that integrin a 3. integrin ß 1 could be a 1'ole inducing the tumorigenesis.
