9093
Activation of NF-kappa B seems to play an important role in the regulation of many proinflammatory cytokine genes , but cannot be the only mechanism, since several cytokine genes lack respective binding sites in their promoter regions .
 protein: NF-kappa B; DNA: cytokine genes; DNA: binding sites; DNA: proinflammatory cytokine genes; DNA: promoter regions
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, cytokine genes, binding sites, proinflammatory cytokine genes, promoter regions 
Answer:
 protein: NF-kappa B; DNA: cytokine genes; DNA: binding sites; DNA: proinflammatory cytokine genes; DNA: promoter regions