7331
These results point out the involvement of NF-kappa B /Rel family proteins in growth signaling pathways by either regulating proteins involved in the IL-2 signaling or by functionally interfering with the cell cycle progression .
 protein: IL-2; protein: regulating proteins; protein: NF-kappa B /Rel family proteins; protein: NF-kappa B
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
 Entities: IL-2, regulating proteins, NF-kappa B /Rel family proteins, NF-kappa B 
Answer:
 protein: IL-2; protein: regulating proteins; protein: NF-kappa B /Rel family proteins; protein: NF-kappa B