Methods Human PBMC were co cultured with porcine vascular endothelial cell line PIEC for 18h. The mixed un co cultured PBMC and PIEC were used as controls.

• 方法 人外周血单个核细胞 (PBMC)与猪内皮细胞系 PIEC共培养 18h,对照组为未共培养的 PBMC和 PIEC。