1331
We observed abundant levels of Rev - erbA alpha mRNA in dividing C2C12 myoblasts , which were suppressed when the cells differentiated into postmitotic multinucleated myotubes .
 GENE: Rev; GENE: erbA alpha
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: Rev; GENE: erbA alpha