After incubation with 10 -8 or 10 -7 mol/L ET 1 for 4 hours, the abdominal aortic adventitial NOS activities were increased by 124% and 177% and adventitia derived NO 2 were increased by 88% and 252% compared with control group respectively.

• 与对照组相比 ,1 0 - 8和 1 0 - 7mol/L的ET 1使外膜NOS活性分别增加 1 2 4%25和 1 77%25 ;