ABT-737 was purchased from Selleck Chemicals (Houston, TX, USA). PI3Kg inhibitor was purchased from Echelon Biosciences (Salt Lake City, UT, USA). Cellular ATP assay. PANC-1 and hHPNE cells were seeded at 1000 cells per well using a Multidrop Combi (Thermo Labsystems, Waltham, MA, USA)...