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WIPO WO2009080705.15552 | pnas/cgi/doi/10.1073/pnas.1009652107 Sun et al. Isoform-Specific Functions of Phosphoinositide 3-Kinases: p110δ but Not p110γ Promotes Optimal Allergic Responses In Vivo1 Khaled Ali*, Montserrat Camps�? Wayne P. Pearce*, Hong Ji�? Thomas Rückle�? Nicolas Kuehn§, Christian Pasquali�? Christian Chabert�? Christian Rommel2,�? and Bart Vanhaesebroeck3,* *Centre for Cell Signalling, Institute of Cancer, Queen Mary U