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Updated: Jul 11, 2026

Intracellular Phosphoflow Cytometry of Acute Myeloid Leukemia Patient-Derived Xenotransplants
Published on: June 6, 2025
Increased C-kit intensity is a poor prognostic factor for progression-free and overall survival in patients with
Anjali S Advani1, Cristina Rodriguez, Tao Jin
1Taussig Cancer Center, Leukemia Program, The Cleveland Clinic CCF, Cleveland, OH 44195, USA. advania@ccf.org
Abstract:
C-kit, a tyrosine kinase receptor, is expressed on most myeloid blasts and is thought to be important in the pathogenesis of AML. Activation of the c-kit receptor leads to phosphorylation and activation of downstream signaling proteins, which are important for cell survival and proliferation. Here, we discuss the prognostic impact of c-kit intensity, measured using the mean fluorescent index (MFI) in patients with newly diagnosed AML. On multivariate analysis, c-kit MFI>20.3 correlated with a decreased progression-free survival and overall survival, independent of known prognostic factors (age, white blood count at diagnosis and cytogenetics). Whether inhibiting c-kit in patients with AML will alter prognosis is the basis of ongoing clinical trials.
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