Advances in CAR‐Engineered Immune Cell Generation: Engineering Approaches and Sourcing Strategies

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Abstract
Chimeric antigen receptor T‐cell (CAR‐T) therapy has emerged as a highly efficacious treatment modality for refractory and relapsed hematopoietic malignancies in recent years. Furthermore, CAR technologies for cancer immunotherapy have expanded from CAR‐T to CAR‐natural killer cell (CAR‐NK), CAR‐cytokine‐induced killer cell (CAR‐CIK), and CAR‐macrophage (CAR‐MΦ) therapy. Nevertheless, the high cost and complex manufacturing processes of ex vivo generation of autologous CAR products have hampered broader application. There is an urgent need to develop an efficient and economical paradigm shift for exploring new sourcing strategies and engineering approaches toward generating CAR‐engineered immune cells to benefit cancer patients. Currently, researchers are actively investigating various strategies to optimize the preparation and sourcing of these potent immunotherapeutic agents. In this work, the latest research progress is summarized. Perspectives on the future of CAR‐engineered immune cell manufacturing are provided, and the engineering approaches, and diverse sources used for their development are focused upon.
Funding Information
  • National Key Research and Development Program of China (2019YFC1316203, 2019YFC1316204)
  • National Natural Science Foundation of China (82070124)

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