4798
The cholesterol 7alpha - hydroxylase gene ( CYP7A ) is transcriptionally regulated by a number of factors , including hormones , bile acids , and diurnal rhythm .
 GENE: cholesterol 7alpha - hydroxylase gene; GENE: CYP7A
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: cholesterol 7alpha - hydroxylase gene; GENE: CYP7A