ET-1 concentrations are elevated in plasma and lung tissue of patients with pulmonary arterial hypertension, as well as other cardiovascular disorders and connective tissue diseases, including scleroderma, acute and chronic heart failure, myocardial ischaemia, systemic hypertension, and atherosclerosis, suggesting a pathogenic role of ET-1 in these diseases.
Toimemehhanism Endoteliin- 1 (ET- 1) on tugev vaskulaarne parakriinne ja autokriinne peptiid kopsus ning võib soodustada ka fibroosi, rakkude vohamist, südame hüpertroofiat ja remodelleerumist ning soodustab põletikke.