3468
The mechanism of action of DM on IL-2R alpha transcription was examined by determining the mRNA levels of the p50 subunit of nuclear factor kappa B ( NF-kappa B ), a transcription factor that stimulates IL-2R alpha gene expression .
 protein: transcription factor; protein: IL-2R alpha; protein: IL-2R alpha; 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: transcription factor, IL-2R alpha, IL-2R alpha, NF-kappa B 
Answer:
 protein: transcription factor; protein: IL-2R alpha; protein: IL-2R alpha; protein: NF-kappa B