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ERK inhibition effectively overcomes acquired resistance of epidermal growth factor receptor-mutant non-small-cell lung cancer cells to osimertinib.

07:00 EST 10th December 2019 | BioPortfolio

Summary of "ERK inhibition effectively overcomes acquired resistance of epidermal growth factor receptor-mutant non-small-cell lung cancer cells to osimertinib."

Osimertinib (AZD9291), a third-generation, mutation-selective epidermal growth factor receptor (EGFR) tyrosine kinase inhibitor (EGFR-TKI), is an approved drug for patients who have non-small-cell lung cancer (NSCLC) with activating EGFR mutations or those harboring a resistant T790M mutation. Unfortunately, all patients eventually relapse and develop resistance to osimertinib. The current study addressed whether ERK inhibition exerts effects similar to those produced by MEK inhibition in overcoming acquired resistance to osimertinib.

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Name: Cancer
ISSN: 1097-0142
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Medical and Biotech [MESH] Definitions

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.

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.

Factor isolated in a variety of tissues including epithelium, and maternal decidua. It is closely related to EPIDERMAL GROWTH FACTOR and binds to the EGF receptor. TGF-alpha acts synergistically with TGF-beta in inducing phenotypic transformation, but its physiological role is unknown.

A growth differentiation factor that is secreted in response to cell stress and in response to MACROPHAGE ACTIVATION. In addition growth differentiation factor 15 demonstrates a diverse array of biological properties including the induction of cartilage formation, the inhibition of hematopoietic progenitor proliferation, and the induction of neuronal migration.

A well-characterized neutral peptide believed to be secreted by the LIVER and to circulate in the BLOOD. It has growth-regulating, insulin-like and mitogenic activities. The growth factor has a major, but not absolute, dependence on SOMATOTROPIN. It is believed to be a major fetal growth factor in contrast to INSULIN-LIKE GROWTH FACTOR I, which is a major growth factor in adults.

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