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Journal

Dasatinib inhibits proliferation and induces apoptosis in the KASUMI-1 cell line bearing the t(8;21)(q22;q22) and the N822K c-kit mutation

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Published:25th Mar 2020
Activating mutations of the c-kit gene are frequently found in CBF (core binding factor) leukemias. We evaluated the effect of tyrosine kinase inhibitor dasatinib in leukemic cell lines bearing or not c-kit mutations. Our data demonstrate that in the AML Kasumi-1 cell line, bearing the N822K c-kit mutation, dasatinib is a potent suppressor of c-kit and Src kinase activity and inhibits the phosphorylation of their downstream target AKT, possibly through the Src-mediated VEGF/VEGFR receptor type 2 pathway. Dasatinib also effectively blocks proliferation and induces apoptosis through caspase-3 activation in Kasumi-1 cells. These data further encourage the integration of dasatinib in the treatment of CBF AML with c-kit mutations in the context of clinical trials, which are eagerly anticipated.

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