Synonyms : Big Endothelin, Big Endothelin-1, ET-1 (Endothelin-1), Endothelin Type 1, Endothelin, Big, Preproendothelin, Preproendothelin-1, Proendothelin (1-38), Proendothelin-1 Precursor, Big Endothelin 1, Endothelin 1, Endothelin-1, Big, Precursor, Proendothelin-1