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Int J Gynecol Cancer. 2008 Jul-Aug;18(4):749-54. Epub 2007 Oct 19.

Absence of epidermal growth factor receptor mutations in cervical cancer.

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Department of Pathology, Division of Hematology/Oncology, The University of New Mexico Cancer Center, Albuquerque, New Mexico.


Epidermal growth factor receptor (EGFR) is overexpressed in the majority of cervical cancers (CCs). Somatic mutations of EGFR have been associated with clinical response to tyrosine kinase inhibitors (TKIs) in lung cancer patients. This study was designed to establish the frequency of EGFR point mutations in patients diagnosed with high-grade squamous intraepithelial lesions (HSIL) and CC. Nine cell lines derived from CC were screened for EGFR mutations in exons 18 through 21. Eighty-nine patient samples derived from invasive CC (n = 80) and HSIL (n = 9) were analyzed for the presence of EGFR mutations in exons 19 and 21. We found no mutations affecting the EGFR kinase domain in exons 18 through 21 in all cell lines tested, and no EGFR mutations were detected in exons 19 and 21 in all 89 human neoplastic samples analyzed. These data indicate that mutations in the EGFR kinase domain are very rare in CC and HSIL. Our results suggest, therefore, that treatment of CC patients with TKIs may not have the same efficacy as seen in patients with lung cancer, and that targeting the EGFR with other inhibitors may be more appropriate.

[Indexed for MEDLINE]

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