Immunohistochemical expression of EGF, c-erbB-2 and EGFR in intestinal variant of gastric adenocarcinomas.
2013
In this study, we aimed to determine EGF, c-erbB-2 and EGFR expression in 25 specimens of intestinal gastric adenocarcinomas by standardized immunohistochemistry and to establish correlations with the major clinico-morphological parameters of these patients. We observed EGF reactivity in 22 (88%) cases, a c-erbB-2 protein expression in eight (32%) cases and an EGFR reactivity in 13 (46.42%) cases. The EGF expression was significantly correlated with the tumor degree of differentiation, but not with other investigated clinico-morphological parameters and nor with c-erbB-2 and EGFR1 expression. However, we noticed the existence of a dependence between c-erbB-2 and EGFR1 expression in the main tumor mass. Such immunoprofile suggests the possible intervention of autocrine and paracrine loops in the developing of intestinal variant of gastric adenocarcinomas.
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