16533
The transfection of an HNF1 alpha expression plasmid into the HK - 2 cells resulted in an increase of UGT1A1 mRNA only in the presence of 5 - Aza - dC .
 5 - Aza - dC
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 5 - Aza - dC