6517
The NF90 protein was found to be expressed not only in T-cells , but also in nonimmune HeLa cells .
 nonimmune HeLa cells, T-cells, NF90
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
Answer:
 nonimmune HeLa cells, T-cells, NF90