期刊
RADIOTHERAPY AND ONCOLOGY
卷 108, 期 1, 页码 17-23出版社
ELSEVIER IRELAND LTD
DOI: 10.1016/j.radonc.2013.05.006
关键词
EGFR; Radiotherapy; Microenvironment
资金
- Dutch Cancer Society [KUN 2008-4088, KUN 2010-4827]
Treatment failure through radioresistance of tumours is associated with activation of the epidermal growth factor receptor (EGFR). Tumour cell proliferation, DNA-repair, hypoxia and metastases-formation are four mechanisms in which EGFR signalling has an important role. In clinical trials, a correlation has been demonstrated between high EGFR expression in tumours and poor outcome after radiotherapy. Inhibition of EGFR signalling pathways improves the effectiveness of radiotherapy of head and neck cancers by overcoming these main mechanisms of radioresistance. The fact that only a minority of the patients respond to EGFR inhibitors reflects the complexity of interactions between EGFR-dependent signalling pathways and the tumour microenvironment. Furthermore, many components of the microenvironment are potential targets for therapeutic interventions. Characterisation of the interaction of EGFR signalling and the tumour microenvironment is therefore necessary to improve the effectiveness of combined modality treatment with radiotherapy and targeted agents. Here, the current status of knowledge is reviewed and directions for future research are discussed. (C) 2013 Elsevier Ireland Ltd. All rights reserved.
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