Econazole is an azole antifungal agent which can block the calcium release-activated calcium (CRAC) current in human leukaemic T cell line. The phenomenon is also possible to occur in mast cell such as RBL-2H3 (rat basophilic leukemia) cells, a tumor analog of mast into the cells, a tumor analog of mast cells. In the study, we investigated effect of econazole on 45 Ca 2+ uptake into the cells…