LAIR1 and neoplasm: However, anti-Lair1 antibody counteracted the M2-like MΦ-induced inhibition of CAR T cells, leading to an increase in the total number and migratory speed of CAR T cells, a decrease in CAR T cell and M2-like MΦ interactions approximately 35 hours after anti-Lair1 antibody was given, and an increase in CAR T cell–tumor interactions.