supported by nci 2p50 ca09825806 , nci u01 ca168394 , stand up to cancer / aacr dream team translational cancer research grant su2c - aacr - dt0209 , tcga gdac grant ( nih / nci u24 ca143883 ) to gbm ; mdacc uterine spore career development award ( nci p50ca098258 ) to lwt .
 pik3r1 ( encoding the p85 subunit of phosphatidylinositol 3-kinase ) is the 11th most frequently mutated gene across tumors . 
 we recently reported neomorphic p85 mutants that induce signaling cascades not predicted by the canonical functions of p85 , suggesting the need to functionally annotate specific mutations in cancer genes for effective genome - informed personalized therapy . 
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