OBJECTIVE: To investigate the effect of PLA-O-CMC nanoparticles on immunological rejection in intraperitoneal porcine hepatocyte xenotransplantation for treatment of acute liver failure rats.

• 目的：进一步观察聚乳酸-O-羧甲基壳聚糖纳米粒子在猪肝细胞腹腔内移植治疗急性肝衰竭大鼠过程中对免疫排斥反应的影响。