1670
Molt-4 cells ( M4 ), a human T lymphocyte cell line , were incubated with different concentrations of two ALD , flurbiprofen and sodium diclofenac , and then exposed to BQ .
 M4, human T lymphocyte cell line, Molt-4 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:
 M4, human T lymphocyte cell line, Molt-4 cells