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Abstract
This Podcast features a conversation with the senior author of a Research Article published in the March 29 issue of Science Signaling. Thomas Graeber discusses his group’s phosphoproteomic analysis of a leukemia cell line, which reveals a mechanism by which leukemia cells may become resistant to chemotherapeutic agents that target tyrosine kinases. They found that the sensitivity of leukemias driven by the Bcr-Abl fusion protein to tyrosine kinase inhibitors depends on the cells’ reliance on negative feedback mechanisms that limit the activity of the Src family of tyrosine kinases.
