A, B J774A.1 macrophages were pre-treated with the BTK inhibitor LFM-A13 (12.5 μM) and infected with swollen conidia. (B) After 30 min of stimulation, NFATc2 translocation was quantified by confocal microscopy. Both TNF-α levels and NFATc2 translocation were significantly reduced by BTK blockade. 