Frequent activating FGFR2 mutations in endometrial carcinomas parallel germline mutations associated with craniosynostosis and skeletal dysplasia syndromes

P. M. Pollock, M. G. Gartside, L. C. Dejeza, M. A. Powell, M. A. Mallon, H. Davies, M. Mohammadi, P. A. Futreal, M. R. Stratton, J. M. Trent, P. J. Goodfellow

Research output: Contribution to journalArticle

Abstract

Endometrial carcinoma is the most common gynecological malignancy in the United States. Although most women present with early disease confined to the uterus, the majority of persistent or recurrent tumors are refractory to current chemotherapies. We have identified a total of 11 different FGFR2 mutations in 3/10 (30%) of endometrial cell lines and 19/187 (10%) of primary uterine tumors. Mutations were seen primarily in tumors of the endometrioid histologic subtype (18/115 cases investigated, 16%). The majority of the somatic mutations identified were identical to germline activating mutations in FGFR2 and FGFR3 that cause Apert Syndrome, Beare-Stevenson Syndrome, hypochondroplasia, achondroplasia and SADDAN syndrome. The two most common somatic mutations identified were S252W (in eight tumors) and N550K (in five samples). Four novel mutations were identified, three of which are also likely to result in receptor gain-of-function. Extensive functional analyses have already been performed on many of these mutations, demonstrating they result in receptor activation through a variety of mechanisms. The discovery of activating FGFR2 mutations in endometrial carcinoma raises the possibility of employing anti-FGFR molecularly targeted therapies in patients with advanced or recurrent endometrial carcinoma.

Original languageEnglish (US)
Pages (from-to)7158-7162
Number of pages5
JournalOncogene
Volume26
Issue number50
DOIs
StatePublished - Nov 1 2007

Keywords

  • Apert syndrome
  • Endometrial cancer
  • FGFR2
  • Mutation

ASJC Scopus subject areas

  • Molecular Biology
  • Genetics
  • Cancer Research

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    Pollock, P. M., Gartside, M. G., Dejeza, L. C., Powell, M. A., Mallon, M. A., Davies, H., Mohammadi, M., Futreal, P. A., Stratton, M. R., Trent, J. M., & Goodfellow, P. J. (2007). Frequent activating FGFR2 mutations in endometrial carcinomas parallel germline mutations associated with craniosynostosis and skeletal dysplasia syndromes. Oncogene, 26(50), 7158-7162. https://doi.org/10.1038/sj.onc.1210529