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Following replicate control measurements , test ramps were repeated in the presence of sodium nitroprusside ( 1 microM ) and phentolamine ( 1 microM ) to eliminate potential smooth muscle and alpha 1 - adrenoceptor effects , respectively .
 GENE: alpha 1 - adrenoceptor
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: alpha 1 - adrenoceptor