IMR Press / FBL / Volume 18 / Issue 2 / DOI: 10.2741/4118

Frontiers in Bioscience-Landmark (FBL) is published by IMR Press from Volume 26 Issue 5 (2021). Previous articles were published by another publisher on a subscription basis, and they are hosted by IMR Press on imrpress.com as a courtesy and upon agreement with Frontiers in Bioscience.

Review
Molecular markers of response and resistance to EGFR inhibitors in head and neck cancers
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1 Tumour Biology and Metastasis Team, Division of Cancer Therapeutics, McElwain Laboratories, The Institute of Cancer Research, Cotswold Road, Belmont, Sutton, Surrey, SM2 5NG, UK
2 Cancer Research UK Cancer Therapeutics Unit, UK
Front. Biosci. (Landmark Ed) 2013, 18(2), 520–542; https://doi.org/10.2741/4118
Published: 1 January 2013
Abstract

Receptor tyrosine kinases (RTK) are key targets for novel cancer therapeutics since they activate multiple oncogenic signalling pathways. Also, they are inherently ‘druggable’ due to their small ATP-dependent kinase domains (inhibitable by small molecules) and cell surface location which renders them accessible to monoclonal antibody-based therapies. The epidermal growth factor receptor (EGFR) is overexpressed in the majority of SCCHN cases and this review focuses primarily on the progress made in targeting the EGFR for the therapy of SCCHN by both small molecules and antibody-based therapies. We then discuss the overlapping and distinct molecular markers of response, innate or acquired resistance to each modality, and how these may be overcome. We also consider other RTKs overexpressed in this disease that may impact on responses and/or provide additional targets for combination therapy.

Keywords
Epidermal Growth Factor Receptor
Squamous Cell Carcinoma
Head and Neck
Resistance
Response
Receptor Tyrosine Kinase
Inhibitor
Antibody
Review
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