Mice
C57BL/6JArc, B6.CH-2bm-1 (BM-1), OT-II(47) x Ly5.1 and OT-I(48) x Ly5.1, Flt3ITD/ITD (21), and IAα-/- mice (49) were used at 6 - 12 weeks of age. All mice were bred and maintained in specific pathogen–free conditions at the Melbourne Bioresources Platform at Bio21 Molecular Science and Biotechnology Institute. Experimental procedures were approved by the Animal Ethics Committee of the University of Melbourne (protocol no. 1714375).