Inhibition of the receptor tyrosine kinase Axl impedes activation of the FLT3 internal tandem duplication in human acute myeloid leukemia: implications for Axl as a potential therapeutic target.

@article{Park2013InhibitionOT,
  title={Inhibition of the receptor tyrosine kinase Axl impedes activation of the FLT3 internal tandem duplication in human acute myeloid leukemia: implications for Axl as a potential therapeutic target.},
  author={Il-kyoo Park and Anjali Mishra and Jason I. Chandler and Susan P. Whitman and Guido Marcucci and Michael A. Caligiuri},
  journal={Blood},
  year={2013},
  volume={121 11},
  pages={2064-73}
}
Approximately 20% to 25% of patients with acute myeloid leukemia (AML) have a constitutively activated FLT3-internal tandem duplication (FLT3-ITD), and these patients exhibit a poor prognosis. Here, we report that Axl, a receptor tyrosine kinase (RTK) overexpressed and constitutively active in human AML, targets the RTK FLT3 in FLT3-ITD(+) AML. Abrogation of Axl activation by soluble Axl chimeric protein (Axl-Fc) or small interfering RNA (siRNA) diminishes constitutive FLT3 phosphorylation in… CONTINUE READING
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