Immunohistochemical expression of p53, Bcl-2, COX-2, C-erb-B2, EPO-R, beta-catenin, and E-cadherin in non tumoral gastric mucous membrane |
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Authors: | Sereno M García-Cabezas M A De Castro J Cejas P Saenz E Casado Belda-Iniesta C Feijoo J Barriuso Larrauri J Nistal M Baron M Gonzalez |
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Institution: | Medical Oncology Department, La Paz Hospital, Paseo de la Castellana, 261 CP: 28046 Madrid, Spain. mariasereno@yahoo.es |
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Abstract: | Different authors have investigated the immunohistochemical expression of some proteins in the adenocarcinoma of the stomach, including cell cycle regulators proteins like p53 and Bcl-2; growth factors (c-erb-B2 and EPO-R); angiogenesis-related markers such as COX-2 and cellular adhesion molecules (beta-catenin and E-cadherin). While these proteins have been studied in gastric adenocarcinoma, their immunophenotyping in non tumoral gastric mucous membrane remains unexplored. In the present study, we investigated the expression, function and behavior of these proteins in normal gastric mucous membrane to contribute to gain further knowledge on the significance of their loss or overexpression in malignant gastric tumors. |
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