T670X KIT Mutations in Gastrointestinal Stromal Tumors: Making Sense of Missense

Abstract excerpt

BACKGROUND: Chronic myeloid leukemia, gastrointestinal stromal tumors (GISTs), and idiopathic hypereosinophilic syndrome are associated with pathological deregulation of the tyrosine kinases BCR-ABL, KIT, and PDGFRA, respectively. Patients who become resistant to imatinib treatment often develop secondary mutations, the most common of which results in a substitution of isoleucine for threonine at the same...

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