| Literature DB >> 26944829 |
Michele A Rodrigues1, Conrado O Gamba2, Jerusa Araújo Quintão Arantes Faria3, Ênio Ferreira2, Alfredo M Goes3, Dawidson A Gomes3, Geovanni D Cassali2.
Abstract
The epidermal growth factor receptor (EGFR) has been described in the nucleus of primary tumors. Accumulation of EGFR at the nucleus is linked to DNA synthesis and cell proliferation, but the pathological significance of nuclear EGFR is not completely understood. The aim of this study was to investigate the nuclear localization of EGFR in invasive micropapillary carcinoma (IMPC) that is an aggressive neoplasm of canine mammary gland. Confocal immunofluorescence of formalin and paraffin-embedded tissue was used to access the subcellular localization of EGFR. Our results demonstrated that EGFR co-localizes with the inner nuclear envelope marker, Lamin B1 in IMPC. Furthermore, EGFR was not localized within the nucleus or at the inner nuclear envelope membrane in mammary carcinoma in mixed tumor (CMT) that is associated with a better prognosis than other malignant histological types. This finding could be useful as a predictive biomarker of therapeutic response for IMPC.Entities:
Keywords: Confocal microscopy; Invasive micropapillary carcinoma; Nuclear EGFR
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Year: 2015 PMID： 26944829 PMCID： PMC4834221 DOI： 10.1016/j.prp.2015.11.017
Source DB: PubMed Journal: Pathol Res Pract ISSN： 0344-0338 Impact factor: 3.250