The Heatshockprotein-90 Inhibitor IPI-504 Potently Overcomes Tyrosinekinase Inhibitor-Induced Activation of Cell Protection Mechanisms and Degrades HSP-Client Proteins KIT and FLT3 In Acute Leukemia Models
Abstract:3982
Activating mutations of FLT3 and KIT class III receptor tyrosine kinases (TK) are associated with acute leukemias and systemic mastocytosis. Despite the encouraging therapeutic potential of TK inhibitors (TKI), monotherapy often is not sufficient to obtain lasting responses. Here we show that TKI therapy may lead to cellular protection mechanisms including stabilization/repair of DNA, as well as protection of the function of heat shock proteins. We further demonstrate that degradation of he… Show more
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