95
Although it has been reported that there are some T cell lines that produce IFN-gamma in response to IL-2 and IL-12 stimulation , there has as yet been no report of a natural killer (NK) cell line that responds in a similar manner.
 natural killer (NK) cell line, IFN-gamma, T cell lines
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:
 natural killer (NK) cell line, IFN-gamma, T cell lines