GPC2 and neoplasm: Various studies have demonstrated the efficacy of utilizing MUC-1 (104), CD7 (105), CD38 (106), VEGFR2 (107), prostate-specific membrane antigen (PSMA) (108, 109), glypican-2 (GPC2) (110), and T cell receptor (TCR)-like nanobody-CARs (111) in various tumor models.