Selective HLA knockdown and PD-L1 expression prevent allogeneic CAR-NK cell rejection and enhance safety and anti-tumor responses in xenograft mice

选择性敲低HLA和PD-L1表达可预防同种异体CAR-NK细胞排斥，并增强异种移植小鼠的安全性和抗肿瘤反应。