18084
Results demonstrated that K122R , K210R , K339R , and K460R mutants of hFXR significantly impaired target gene [ organic solute transporter alpha / beta and bile salt export pump ( BSEP ) ] promoter reporter activity in a ligand - dependent fashion .
 Chemical: bile salt
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 salt