A cellular antidote to specifically deplete anti-CD19 chimeric antigen receptor–positive cells
- 13 February 2020
- journal article
- research article
- Published by American Society of Hematology in Blood
- Vol. 135 (7), 505-509
- https://doi.org/10.1182/blood.2019001859
Abstract
Unintentional transduction of B-ALL cells during CART19 manufacturing can lead to CAR19+ leukemic cells (CARB19) that are resistant to CART19. We developed an anti-CAR19 idiotype chimeric antigen receptor (αCAR19) to specifically recognize CAR19+ cells. αCAR19 CAR T cells efficiently lysed CARB19 cells in vitro and in a primary leukemia-derived xenograft model. We furthermore demonstrated that αCAR19-CART cells could be used as an "antidote" to deplete CART19 cells to reduce long-term side effects.This publication has 22 references indexed in Scilit:
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