2090
The regulation of interleukin-2 receptor alpha chain ( IL-2R alpha ) expression and nuclear factor (NF) activation by protein kinase C ( PKC ) in resting T cells , has been studied.
 IL-2R alpha, protein kinase C, PKC, resting T cells, nuclear factor, interleukin-2 receptor alpha chain
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:
 IL-2R alpha, protein kinase C, PKC, resting T cells, nuclear factor, interleukin-2 receptor alpha chain