2008
In the liver , mRNA expression of genes related to bile acid transport ( Bsep and Mdr2 ) and hydroxylation ( Cyp3a11 ) was increased in A ( 1 ) AR ( - / - ) mice .
 Chemical: bile acid
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: bile acid