404
Subclones stably expressing alpha1A - , alpha1B - , and alpha1D - ARs under control of an inducible promoter , or at high and low receptor density , were isolated and characterized .
 GENE: alpha1A; GENE: alpha1B; GENE: alpha1D
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: alpha1A; GENE: alpha1B; GENE: alpha1D