There is evidence that endothelin1(ET1) and potassium channel may play an important role in the development of pulmonary hypertension.
内皮素-1（ET-1）和钾通道在肺动脉高压的发病中起重要作用。
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Conclusion Intravenous morphine has protective effects on AMI by increased plasma CGRP level, decreased plasma ET1 level, and reduced myocardial infarct size.
Conclusions ET1 might play an important role in pathogenic of the patients with sarcoidosis and IPF. The levels of ET1 can act as the markers of activity of disease.