7634
RESULTS: Phorbol-myristate-acetate and ionomycine strongly increase the percent-age of IL-2+ cells ; an additional 50% HCSs significantly suppresses the percentage to, or below the level of unstimulated cells .
 unstimulated cells, IL-2+ cells
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:
 unstimulated cells, IL-2+ cells