TY - JOUR TI - Secondary resistance to idelalisib is characterized by upregulation of IGF1R rather than by MAPK/ERK pathway mutations AU - Tausch, E. AU - Ljungström, V. AU - Agathangelidis, A. AU - Zapatka, M. AU - Scarfò, L. AU - Jebaraj, B.M.C. AU - Yosifov, D.Y. AU - Müller, A. AU - Munugalavadla, V. AU - Degenhardt, J.D. AU - Ghia, P. AU - Rosenquist, R. AU - Stilgenbauer, S. JO - Blood advances PY - 2022 VL - 139 TODO - 22 SP - 3340-3344 PB - NLM (Medline) SN - null TODO - 10.1182/blood.2021014550 TODO - idelalisib; purine derivative; quinazolinone derivative, drug resistance; genetics; MAPK signaling; mutation; tumor cell line; upregulation, Cell Line, Tumor; Drug Resistance, Neoplasm; MAP Kinase Signaling System; Mutation; Purines; Quinazolinones; Up-Regulation TODO - null ER -