5698
These results suggest that an age-associated decline in the induction of NF kappa B in activated T cells from elderly individuals may be attributable to altered regulation of the inhibitor, I kappa B , and may play an important role in immune dysregulation accompanying aging .
 protein: NF kappa B; protein: I kappa B; cell type: T cells
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: NF kappa B, I kappa B, T cells 
Answer:
 protein: NF kappa B; protein: I kappa B; cell type: T cells