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In CYP7A1 transgenic mice , livers contained approximately 3 - fold more sterol response element - binding protein - 2 mRNA .
 GENE: CYP7A1; GENE: sterol response element - binding protein - 2 mRNA
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: CYP7A1; GENE: sterol response element - binding protein - 2 mRNA