17769
DNA methyltransferase 3a expression was increased in all BPA males and BPA 0 . 5 females and reduced in BPA 200 females .
 BPA, BPA, BPA
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 BPA, BPA, BPA