14049
atRA - mediated repressions of OATP2B1 , OATP1B1 , OAT2 and OCT1 mRNA expression were finally shown to be counteracted by knocking - down expression of RAR alpha and RXR alpha through siRNA transfection in HepaRG cells .
 Chemical: atRA
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: atRA