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Coronary vasoconstriction caused by endothelin - 1 is enhanced by ischemia - reperfusion and by norepinephrine present in concentrations typically observed after neonatal cardiopulmonary bypass .
 GENE: endothelin - 1
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
Answer:
 GENE: endothelin - 1