Modulating tumor-associated macrophages through APP-CD74 blockade with IL4R-exosomes synergizes with PD-1 inhibition in gastric cancer - PubMed
2 months ago
- #tumor-associated macrophages
- #gastric cancer
- #immunotherapy
- 确定APP-CD74信号轴是驱动胃癌中M2样肿瘤相关巨噬细胞(TAM)极化的关键因素,促进免疫抑制微环境的形成。
- 工程化IL4R靶向外泌体载有APP特异性siRNA [IL4R-Exo(siCD74)] 在正位模型中有效靶向M2巨噬细胞,并将其重极化为M1表型。
- IL4R-Exo(siCD74)与PD-1抑制剂Nivolumab联合使用,通过重塑免疫抑制的TME,协同增强抗肿瘤免疫力并抑制肿瘤生长。