2094
Furthermore, cyclosporin A , which blocked TNF alpha production induced by PKC , strongly inhibited IL-2R alpha and NF.kappa B activation .
 IL-2R, TNF alpha, NF.kappa B, IL-2R alpha, PKC
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, TNF alpha, NF.kappa B, IL-2R alpha, PKC