Fig. 2From: Establishment of an in vitro model of monocyte-like THP-1 cells for trained immunity induced by bacillus Calmette-GuérinRemoval of extracellular BCG by MACS. a The removal of extracellular BCG-EGFP (white arrow) by MACS. Left panel: without MACS; middle panel: one round of MACS; right panel: two rounds of MACSs. b Schematic of infecting non-adherent THP-1 cells with BCG and MACS for sorting out THP-1 cells from free extracellular BCGBack to article page