AIM To study the changes of sodium hydrogen exchanger isoform 1 (NHE 1) on bovine pulmonary artery endothelial cells with the function of lipopolysaccharide (LPS), and the relationship with endothelial cells death.

• 目的 :探讨脂多糖 ( LPS)对培养的牛肺动脉内皮细胞 ( PAEC) 型 Na+ /H+交换器 ( NHE-1)表达的影响及其与内皮细胞死亡的关系。