PIK3CA missense mutations promote glioblastoma pathogenesis, but do not enhance targeted PI3K inhibition. - McNeill RS; Stroobant EE; Smithberger E; Canoutas DA; Butler MK; Shelton AK; Patel SD; Limas JC; Skinner KR; Bash RE; Schmid RS; Miller CR (PloS one, 2018)