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Expression of epidermal growth factor receptor (EGFR) in cholangiocarcinomas: predictive factors and survival.

08:00 EDT 10th July 2018 | BioPortfolio

Summary of "Expression of epidermal growth factor receptor (EGFR) in cholangiocarcinomas: predictive factors and survival."

to evaluate the expression of the epithelial growth factor receptor (EGFR) by immunohistochemistry, and to verify its association with prognostic factors and survival of patients operated by cholangiocarcinoma.

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This article was published in the following journal.

Name: Revista do Colegio Brasileiro de Cirurgioes
ISSN: 1809-4546
Pages: e1826

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Medical and Biotech [MESH] Definitions

A cell surface receptor involved in regulation of cell growth and differentiation. It is specific for EPIDERMAL GROWTH FACTOR and EGF related peptides including TRANSFORMING GROWTH FACTOR ALPHA, amphiregulin, and heparin-binding EGF-like growth factor. The binding of ligand to the receptor causes activation of its intrinsic tyrosine kinase activity and rapid internalization of the receptor-ligand complex into the cell.

A 6-kDa polypeptide growth factor initially discovered in mouse submaxillary glands. Human epidermal growth factor was originally isolated from urine based on its ability to inhibit gastric secretion and called urogastrone. EPIDERMAL GROWTH FACTOR exerts a wide variety of biological effects including the promotion of proliferation and differentiation of mesenchymal and epithelial cells.

Retrovirus-associated DNA sequences (erbB) originally isolated from, or related to, the avian erythroblastosis virus (AEV). These genes code for the epidermal growth factor receptor (EGFR) family of receptors which is important in the control of normal cell proliferation and in the pathogenesis of human cancer. The genes include erbB-1 (GENES, ERBB-1), erbB-2 (GENES, ERBB-2), and erbB-3, all of which show abnormalities of expression in various human neoplasms.

A vascular endothelial cell growth factor receptor whose expression is restricted primarily to adult lymphatic endothelium. VEGFR-3 preferentially binds the vascular endothelial growth factor C and vascular endothelial growth factor D and may be involved in the control of lymphangiogenesis.

A fibroblast growth factor receptor that is found in two isoforms. One receptor isoform is found in the MESENCHYME and is activated by FIBROBLAST GROWTH FACTOR 2. A second isoform of fibroblast growth factor receptor 2 is found mainly in EPITHELIAL CELLS and is activated by FIBROBLAST GROWTH FACTOR 7 and FIBROBLAST GROWTH FACTOR 10. Mutation of the gene for fibroblast growth factor receptor 2 can result in APERT SYNDROME.

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