LILRB1 and hepatocellular carcinoma: Furthermore, LILRB1 CAR-T cells exhibited no cytotoxic effects against LILRB1-negative B-NHL cells (Supplementary Fig. 5C) as well as non-hematologic LILRB1-negative cells, such as breast and hepatocellular carcinoma cell lines (Supplementary Fig. 5D, E).