Antibodies (Basel, Switzerland) · 2024
Development of BCMA-Targeted Bispecific Natural Killer Cell Engagers for Multiple Myeloma Treatment.
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Zhang Minchuan, Loh Han Ping, Goh Fang Shiyi, Yang Yuansheng, Lam Kong-Peng, Xu Shengli
Аннотация
BACKGROUND: B-cell maturation antigen (BCMA)-targeted T cell-redirecting immunotherapies, including Chimeric Antigen Receptor (CAR) T-cell therapy and T-cell engagers have demonstrated remarkable success in treating relapsed/refractory (RR) multiple myeloma (MM), a malignancy of plasma cells. However, a significant challenge is the severe side effects associated with T-cell overactivation, leading to cytokine release syndrome and neurotoxicity in MM patients undergoing such therapies. Bispecific NK cell engagers (NKCEs) may offer a promising alternative by redirecting NK cell cytotoxic activity towards tumor cells without triggering cytokine release syndrome.
METHODS: In this study, we designed a series of BCMA × CD16 NKCEs that simultaneously engage BCMA and CD16 on MM and NK cells, respectively. We evaluated the functionality of these NKCEs in vitro with respect to their molecular design.
RESULTS: Our results indicate that the format design of NKCEs influences their functionalities, underscoring the importance of format selection in optimizing NKCE-based therapies for MM. This study provides valuable insights for developing next-generation NKCEs and advancing therapeutic strategies for MM and potentially other malignancies.
METHODS: In this study, we designed a series of BCMA × CD16 NKCEs that simultaneously engage BCMA and CD16 on MM and NK cells, respectively. We evaluated the functionality of these NKCEs in vitro with respect to their molecular design.
RESULTS: Our results indicate that the format design of NKCEs influences their functionalities, underscoring the importance of format selection in optimizing NKCE-based therapies for MM. This study provides valuable insights for developing next-generation NKCEs and advancing therapeutic strategies for MM and potentially other malignancies.