CCL4 and neoplasm: The levels of other T cell recruiting chemokines, MIP-1β and RANTES were higher in the supernatants from HER2- or EGFR hCART41BBζ, hCARTICOSζ and hCARTICOS-27ζ, COATC and BATs co-cultured with tumor targets at 1:1 E:T ratio compared to their corresponding unarmed hCART, COATC and ATC (Figure 2D).