11579
To assess whether this inhibition was mediated via modulation of the cellular transcription factor , NF-kappa B , we carried out gel shift analysis on nuclear extracts prepared under different conditions of cell stimulation in the presence or absence of ascorbate , N-acetylcysteine ( NAC ), or zidovudine ( AZT ).
 protein: NF-kappa B; protein: cellular transcription factor
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, cellular transcription factor 
Answer:
 protein: NF-kappa B; protein: cellular transcription factor