14046
Exposure of human hepatoma HepaRG cells and primary human hepatocytes to 5 mu M atRA down - regulated mRNA levels of various sinusoidal solute carrier ( SLC ) influx transporters , including organic anion transporting polypeptide ( OATP ) 2B1 , OATP1B1 , organic cation transporter ( OCT ) 1 and organic anion transporter ( OAT ) 2 , and induced those of the canalicular breast cancer resistance protein ( BCRP ) .
 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