Meanwhile, compared with controls, the production of NO and H 2S in plasma, the activity of CSE in pulmonary tissue and expression of NOS in pulmonary arteries were markedly decreased in hypoxic rats.

• 结果 :低氧 2 1d大鼠肺动脉平均压力明显增高 ,同时血浆中NO和H2 S含量、肺动脉内皮细胞eNOS表达及肺组织CSE活性亦明显下降 ;