Gatekeeper Mutations and Intratumoral Heterogeneity in FGFR2-Translocated Cholangiocarcinoma.
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FGFR2 genetic translocations are frequent in cholangiocarcinoma, yet despite initial sensitivity to FGFR inhibitors in clinic, patients quickly become resistant to targeted therapies. The work published by Goyal and colleagues demonstrates that acquisition of gatekeeper mutations in FGFR2 and intratumoral heterogeneity drive resistance in patients with FGFR2-translocated intrahepatic cholangiocarcinoma, which will have important implications for management of the disease in clinic. Cancer Discov; 7(3); 248-9. ©2017 AACR.See related article by Goyal et al., p. 252.
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Cancer Discov, 2017, 7 (3), pp. 248 - 249