Immunohistochemical Analysis of c-yes and c-erbB-2 Oncogene Products and p53 Tumor Suppressor Protein in Canine Mammary Tumors.
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概要
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In order to evaluate the involvement of c-yes and c-erbB-2 oncogene products, and p53 tumor suppressor protein in canine mammary neoplastic lesions, sections of archived paraffin-embedded samples of 79 mammary tumors were analyzed immunohistochemically using antibodies against human c-yes p62 and c-erbB-2 products and p53. These 79 tumors were divided into 2 groups: 32 benign (2 adenosis, 7 simple adenomas, 14 complex adenomas, and 9 benign mixed mammary tumors) and 47 malignant tumors (26 simple adenocarcinomas, 7 complex adenocarcinomas, 5 solid carcinomas, 2 sclerosing carcinomas, 6 malignant mixed mammary tumors, and 1 malignant myoepithelioma). As a result of immunostaining, 40.6% (13/32) of the benign tumors and 21.3% (10/47) of the malignant tumors expressed the c-Yes oncogene product, ErbB-2 expression was detected in 50% (16/32) of the benign tumors and in 19.1% (9/47) of the malignant tumors. P53 expression was detected in 16% (4/25) of the benign tumors and in 30.6% (11/36) of the malignant tumors. Co-expression of c-Yes and ErbB-2, ErbB-2 and p53, and all 3 products was detected in 6, 1 and 7 tumors, respectively.
- 公益社団法人 日本獣医学会の論文
著者
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Hayashi Toshiharu
Yamaguchi Univ. Yamaguchi Jpn
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Uchida Kazuyuki
Department Of Veterinary Pathology Graduated School Of Agricultural And Life Sciences The University
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Yamaguchi Ryoji
Department Of Material System Engineering Faculty Of Technology Tokyo University Of Agriculture And Technology
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MIYOSHI Noriaki
Kagoshima University, Korimoto 1-21-24, Kagoshima 890-0065, Japan
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RUNGSIPIPAT Anudep
Departments of Veterinary Pathology, Faculty of Agriculture, Miyazaki University, Nishi 1-1, Gakuen Kibana Dai, Miyazaki 889-2192, Japan
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ATEYAMA Susumu
Departments of Veterinary Pathology, Faculty of Agriculture, Miyazaki University, Nishi 1-1, Gakuen Kibana Dai, Miyazaki 889-2192, Japan
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