نتایج جستجو برای: epidermal growth factor receptor egfr
تعداد نتایج: 1927332 فیلتر نتایج به سال:
introduction: growth, proliferation, survival, and differentiation are the prominent characteristics of cells, which are affected by cancer. epidermal growth factor receptor (egfr) plays a pivotal role in the effective control of these features. given the significance of egfr signaling pathway in non-small cell lung cancer (nsclc), egfr expression is influential on these cell characteristics. i...
BACKGROUND Adenovirus-mediated gene therapy has been used for squamous cell carcinoma of the head and neck (SCCHN), but the in vivo efficacy has been limited by a lack of tissue specificity and low infection efficiency. We are interested in improving cancer gene therapy strategies using targeted adenovirus vectors. OBJECTIVE To determine if the infection efficiency of adenovirus-mediated gene...
The present paper attempted to define the effects of epidermal growth factor receptor (EGFR) mutations on patients with non-small cell lung cancer (NSCLC) treated by ramucirumab plus docetaxel. Of 82 enrolled patients, 48 underwent EGFR mutations, showing relevance sex and smoking history (P<0.05). analysis yielded that EGFR-mutant (EGFR-Mut) group had a higher objective response rate versus...
Epidermal growth factor receptor (EGFR) signalling is activated by ligand-induced receptor dimerization. Notably, ligand binding also induces EGFR oligomerization, but the structures and functions of the oligomers are poorly understood. Here, we use fluorophore localization imaging with photobleaching to probe the structure of EGFR oligomers. We find that at physiological epidermal growth facto...
Growth Factor Identity Is Encoded by Discrete Coiled-Coil Rotamers in the EGFR Juxtamembrane Region.
Binding of transforming growth factor α (TGF-α) to the epidermal growth factor receptor (EGFR) extracellular domain is encoded through the formation of a unique antiparallel coiled coil within the juxtamembrane segment. This new coiled coil is an "inside-out" version of the coiled coil formed in the presence of epidermal growth factor (EGF). A third, intermediary coiled-coil interface is formed...
The epidermal growth factor receptor (EGFR) ligands, epidermal growth factor (EGF), and transforming growth factor-alpha (TGFalpha) elicit differential postendocytic processing of ligand and receptor molecules, which impacts long-term cell signaling outcomes. These differences arise from the higher affinity of the EGF-EGFR interaction versus that of TGFalpha-EGFR in the acidic conditions of sor...
Epidermal growth factor receptor as a potential therapeutic target in triple-negative breast cancer.
BACKGROUND No proven targeted therapy is currently available for the treatment of triple-negative breast cancer (TNBC). Epidermal growth factor receptor (EGFR) is frequently overexpressed in TNBC. We studied the activity of EGFR antagonists alone, and in combination with chemotherapy, in TNBC cell lines. MATERIALS AND METHODS EGFR and phosphorylated EGFR were measured by enzyme-linked immunos...
Malignant pleural effusions (MPEs) are often observed in lung cancer, especially adenocarcinoma. Epidermal growth factor receptor (EGFR) gene mutations are usually detected in lung adenocarcinoma. The purpose of the present study was to investigate the EGFR mutation rate in MPEs of lung adenocarcinoma. Between June 2005 and December 2006, 136 MPEs from lung adenocarcinoma were collected for EGF...
Glioblastoma (GBM), the most common malignant brain tumor in adults, contains a subpopulation of cells with a stem-like phenotype (GS-cells). GS-cells can be maintained in vitro using serum-free medium supplemented with epidermal growth factor, basic fibroblast growth factor-2, and heparin. However, this method does not conserve amplification of the Epidermal Growth Factor Receptor (EGFR) gene,...
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