Abstract
The epidermal growth factor (EGF) receptor is overexpressed in many cancers, and is under intensive investigation as a target for cancer therapy. Cancer cells have also been shown to express mutated EGF receptors these are potentially highly specific targets for cancer therapeutics, as they have not been detected in any normal adult tissues. The most common of these mutant EGF receptors, EGFRvIII, is one in which amino acids 6 - 273 of the extracellular domain are deleted. This specific mutation is common in glioblastoma and in several other types of cancer, and has been shown to promote aggressive growth of tumors in vivo. The loss of part of the extracellular domain results in a receptor that has constitutive tyrosine kinase activity. Current evidence suggests that EGFRvIII has altered signalling properties compared to normal EGF receptor. The mutation in EGFRvIII also creates a new, cancer cell-specific epitope. This epitope is extracellular and therefore represents a very promising target for antibody-directed therapeutics. This review covers our current understanding of the properties of EGFRvIII, and recent developments in the characterization and therapeutic application of EGFRvIII-specific antibodies.
Keywords: epidermal growth factor receptor, egfrvIII, glioblastoma, egfrvIII antibodies, de2-7 egfr, degfr, nih373
Current Cancer Drug Targets
Title: Mutant Epidermal Growth Factor Receptors as Targets for Cancer Therapy
Volume: 2 Issue: 2
Author(s): I. A.J. Lorimer
Affiliation:
Keywords: epidermal growth factor receptor, egfrvIII, glioblastoma, egfrvIII antibodies, de2-7 egfr, degfr, nih373
Abstract: The epidermal growth factor (EGF) receptor is overexpressed in many cancers, and is under intensive investigation as a target for cancer therapy. Cancer cells have also been shown to express mutated EGF receptors these are potentially highly specific targets for cancer therapeutics, as they have not been detected in any normal adult tissues. The most common of these mutant EGF receptors, EGFRvIII, is one in which amino acids 6 - 273 of the extracellular domain are deleted. This specific mutation is common in glioblastoma and in several other types of cancer, and has been shown to promote aggressive growth of tumors in vivo. The loss of part of the extracellular domain results in a receptor that has constitutive tyrosine kinase activity. Current evidence suggests that EGFRvIII has altered signalling properties compared to normal EGF receptor. The mutation in EGFRvIII also creates a new, cancer cell-specific epitope. This epitope is extracellular and therefore represents a very promising target for antibody-directed therapeutics. This review covers our current understanding of the properties of EGFRvIII, and recent developments in the characterization and therapeutic application of EGFRvIII-specific antibodies.
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Cite this article as:
Lorimer A.J. I., Mutant Epidermal Growth Factor Receptors as Targets for Cancer Therapy, Current Cancer Drug Targets 2002; 2 (2) . https://dx.doi.org/10.2174/1568009023333926
DOI https://dx.doi.org/10.2174/1568009023333926 |
Print ISSN 1568-0096 |
Publisher Name Bentham Science Publisher |
Online ISSN 1873-5576 |
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