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. 2020 Nov 16;21(22):8620. doi: 10.3390/ijms21228620

Figure 5.

Figure 5

CAR T cells with an elimination marker. huEGFRt and CD20 have been tested as elimination marker systems co-delivered with CAR-T cells. The huEGFRt suicide molecule can be activated with an anti-EGFR cetuximab. In contrast, RQR8 (a 136-amino-acid marker with epitopes from CD34 and CD20) has a dual role, by acting simultaneously as a selection marker when CD34 is targeted with an anti-CD34 MAb (QBEnd/10) and as a suicide molecule when CD20 is targeted with rituximab (Adapted from Li and Zhao, 2017).