BISPECIFIC ANTIBODY BINDING TO BCMA AND CD3, AND PREPARATION METHOD THEREFOR AND USE THEREOF

Provided is a bispecific antibody binding to BCMA and CD3, and a preparation method therefor and the use thereof. Provided is a bispecific antibody, which can bind to BCMA and CD3 simultaneously, has specific targeting effects and can efficiently stimulate directed immune responses. The bispecific a...

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Hauptverfasser: YUAN, Qingan, ZHAO, Likun, LI, Yanhu, MENG, Qingwu, BAI, Lili, LI, Yijia
Format: Patent
Sprache:eng
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Zusammenfassung:Provided is a bispecific antibody binding to BCMA and CD3, and a preparation method therefor and the use thereof. Provided is a bispecific antibody, which can bind to BCMA and CD3 simultaneously, has specific targeting effects and can efficiently stimulate directed immune responses. The bispecific antibody retains the biological functions of an anti-CD3 antibody and an anti-BCMA antibody, enables the bispecific antibody molecule to achieve excellent biological functions of simultaneously binding to BCMA and CD3 in a targeted manner, forms a bridge between tumor cells and immune effector cells, effectively activates the immune effector cells and the directed immune responses, significantly enhances the effects of immune cells in killing tumor cells, has a high targeted cell killing efficiency, reduces the ADCC effect to the largest extent, has high safety, and has good application prospects in tumor immunotherapy.