Immunotoxin Therapies for the Treatment of Epidermal Growth Factor Receptor-Dependent Cancers

Many epithelial cancers rely on enhanced expression of the epidermal growth factor receptor (EGFR) to drive proliferation and survival pathways. Development of therapeutics to target EGFR signaling has been of high importance, and multiple examples have been approved for human use. However, many of...

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Main Authors: Nathan Simon, David FitzGerald
Format: Article
Language:English
Published: MDPI AG 2016-05-01
Series:Toxins
Subjects:
Online Access:http://www.mdpi.com/2072-6651/8/5/137
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author Nathan Simon
David FitzGerald
author_facet Nathan Simon
David FitzGerald
author_sort Nathan Simon
collection DOAJ
description Many epithelial cancers rely on enhanced expression of the epidermal growth factor receptor (EGFR) to drive proliferation and survival pathways. Development of therapeutics to target EGFR signaling has been of high importance, and multiple examples have been approved for human use. However, many of the current small molecule or antibody-based therapeutics are of limited effectiveness due to the inevitable development of resistance and toxicity to normal tissues. Recombinant immunotoxins are therapeutic molecules consisting of an antibody or receptor ligand joined to a protein cytotoxin, combining the specific targeting of a cancer-expressed receptor with the potent cell killing of cytotoxic enzymes. Over the decades, many bacterial- or plant-based immunotoxins have been developed with the goal of targeting the broad range of cancers reliant upon EGFR overexpression. Many examples demonstrate excellent anti-cancer properties in preclinical development, and several EGFR-targeted immunotoxins have progressed to human trials. This review summarizes much of the past and current work in the development of immunotoxins for targeting EGFR-driven cancers.
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spelling doaj.art-62443d8e24274bbf975810a66670ea522022-12-22T04:04:17ZengMDPI AGToxins2072-66512016-05-018513710.3390/toxins8050137toxins8050137Immunotoxin Therapies for the Treatment of Epidermal Growth Factor Receptor-Dependent CancersNathan Simon0David FitzGerald1Biotherapy Section, Laboratory of Molecular Biology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, 9000 Rockville Pike, 37/5124 Bethesda, MD 20892, USABiotherapy Section, Laboratory of Molecular Biology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, 9000 Rockville Pike, 37/5124 Bethesda, MD 20892, USAMany epithelial cancers rely on enhanced expression of the epidermal growth factor receptor (EGFR) to drive proliferation and survival pathways. Development of therapeutics to target EGFR signaling has been of high importance, and multiple examples have been approved for human use. However, many of the current small molecule or antibody-based therapeutics are of limited effectiveness due to the inevitable development of resistance and toxicity to normal tissues. Recombinant immunotoxins are therapeutic molecules consisting of an antibody or receptor ligand joined to a protein cytotoxin, combining the specific targeting of a cancer-expressed receptor with the potent cell killing of cytotoxic enzymes. Over the decades, many bacterial- or plant-based immunotoxins have been developed with the goal of targeting the broad range of cancers reliant upon EGFR overexpression. Many examples demonstrate excellent anti-cancer properties in preclinical development, and several EGFR-targeted immunotoxins have progressed to human trials. This review summarizes much of the past and current work in the development of immunotoxins for targeting EGFR-driven cancers.http://www.mdpi.com/2072-6651/8/5/137immunotoxinEGFRcancer therapeuticclinical development
spellingShingle Nathan Simon
David FitzGerald
Immunotoxin Therapies for the Treatment of Epidermal Growth Factor Receptor-Dependent Cancers
Toxins
immunotoxin
EGFR
cancer therapeutic
clinical development
title Immunotoxin Therapies for the Treatment of Epidermal Growth Factor Receptor-Dependent Cancers
title_full Immunotoxin Therapies for the Treatment of Epidermal Growth Factor Receptor-Dependent Cancers
title_fullStr Immunotoxin Therapies for the Treatment of Epidermal Growth Factor Receptor-Dependent Cancers
title_full_unstemmed Immunotoxin Therapies for the Treatment of Epidermal Growth Factor Receptor-Dependent Cancers
title_short Immunotoxin Therapies for the Treatment of Epidermal Growth Factor Receptor-Dependent Cancers
title_sort immunotoxin therapies for the treatment of epidermal growth factor receptor dependent cancers
topic immunotoxin
EGFR
cancer therapeutic
clinical development
url http://www.mdpi.com/2072-6651/8/5/137
work_keys_str_mv AT nathansimon immunotoxintherapiesforthetreatmentofepidermalgrowthfactorreceptordependentcancers
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