4453
However FOXO3a induction has little effect on cell proliferation , indicating that FOXO3a or its downstream activity is deregulated in the cytotoxic drug resistant breast cancer cells .
 cell, breast cancer cells
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Anatomy 
Text: {0} 
Answer:
 cell, breast cancer cells