Drug-sensitive FGFR2 mutations in endometrial carcinoma.

Oncogenic activation of tyrosine kinases is a common mechanism of carcinogenesis and, given the druggable nature of these enzymes, an attractive target for anticancer therapy. Here, we show that somatic mutations of the fibroblast growth factor receptor 2 (FGFR2) tyrosine kinase gene, FGFR2, are present in 12% of endometrial carcinomas, with additional instances found in lung squamous cell carcinoma and cervical carcinoma. These FGFR2 mutations, many of which are identical to mutations associated with congenital craniofacial developmental disorders, are constitutively activated and oncogenic when ectopically expressed in NIH 3T3 cells. Inhibition of FGFR2 kinase activity in endometrial carcinoma cell lines bearing such FGFR2 mutations inhibits transformation and survival, implicating FGFR2 as a novel therapeutic target in endometrial carcinoma.

Citation

Amit Dutt, Helga B Salvesen, Tzu-Hsiu Chen, Alex H Ramos, Robert C Onofrio, Charlie Hatton, Richard Nicoletti, Wendy Winckler, Rupinder Grewal, Megan Hanna, Nicolas Wyhs, Liuda Ziaugra, Daniel J Richter, Jone Trovik, Ingeborg B Engelsen, Ingunn M Stefansson, Tim Fennell, Kristian Cibulskis, Michael C Zody, Lars A Akslen, Stacey Gabriel, Kwok-Kin Wong, William R Sellers, Matthew Meyerson, Heidi Greulich. Drug-sensitive FGFR2 mutations in endometrial carcinoma. Proceedings of the National Academy of Sciences of the United States of America. 2008 Jun 24;105(25):8713-7

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PMID: 18552176

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