Ag antigen BMMCs bone marrow-derived mast cells CAIX carbonic anhydrase IX FBS fetal bovine serum FcεRI high-affinity IgE receptor GLUT-1 glucose transporter 1 HIF-1α hypoxia-inducible factor 1 alpha IL-6 interleukin 6 IP3 inositol-1,4,5-trisphosphate MCs mast cells MEFs mouse embryonic fibroblasts PBS phosphate-buffered saline PIP3 phosphatidylinositol-3,4,5-trisphosphate PI-4,5-P2 phosphatidylinositol-4,5-bisphosphate pERK phosphorylated extracellular regulated kinase pGSK3β phosphorylated...