نتایج جستجو برای: her3
تعداد نتایج: 803 فیلتر نتایج به سال:
PURPOSE To compare the characteristics of deregulation of HER receptors and their ligands between primary tumor and corresponding brain metastases of non-small cell lung carcinoma (NSCLC). EXPERIMENTAL DESIGN Fifty-five NSCLC primary tumors and corresponding brain metastases specimens were examined for the immunohistochemical expression of epidermal growth factor receptor (EGFR), phosphorylat...
PURPOSE The novel dual-action humanized IgG1 antibody MEHD7945A targeting HER3 and EGFR inhibits ligand-dependent HER dimer signaling. This phase I study evaluated the safety, pharmacokinetics, pharmacodynamics, and antitumor activity of MEHD7945A. EXPERIMENTAL DESIGN Patients with locally advanced or metastatic epithelial tumors received escalating doses of MEHD7945A (1-30 mg/kg) every 2 wee...
Although antibodies against EGFR and HER2 are used to treat cancer, only some patients respond and resistance often emerges. Jacobsen and colleagues present in this issue experimental evidence favoring replacement of the currently applied monoclonal antibodies with oligoclonal mixtures of six synergistic antibodies, simultaneously engaging EGFR, HER2, and also HER3.
BACKGROUND Duligotuzumab, a novel dual-action humanized IgG1 antibody that blocks ligand binding to epidermal growth factor receptor (EGFR) and human epidermal growth factor receptor 3 (HER3), inhibits signaling from all ligand-dependent HER dimers, and can elicit antibody-dependent cell-mediated cytotoxicity. High tumor-expression of neuregulin 1 (NRG1), a ligand to HER3, may enhance sensitivi...
Human cancers are incredibly diverse with regard to molecular aberrations, dependence on oncogenic signaling pathways, and responses to pharmacological intervention. We wished to assess how cellular dependence on the canonical PI3K vs. MAPK pathways within HER2+ cancers affects responses to combinations of targeted therapies, and biomarkers predictive of their activity. Through an integrative a...
Mutations in the KRAS oncogene are dominant features in pancreatic ductal adenocarcinoma (PDA). Because KRAS itself is considered "undruggable," targeting pathways downstream of KRAS are being explored as a rational therapeutic strategy. We investigated the consequences of MAP-ERK kinase (MEK) inhibition in a large PDA cell line panel. Inhibition of MEK activated phosphoinositide 3-kinase in an...
A present challenge in breast oncology research is to identify therapeutical targets which could impact tumor progression. Neurotensin (NTS) and its high affinity receptor (NTSR1) are up regulated in 20% of breast cancers, and NTSR1 overexpression was shown to predict a poor prognosis for 5 year overall survival in invasive breast carcinomas. Interactions between NTS and NTSR1 induce pro-oncoge...
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