9842
Further, M. tuberculosis and its tuberculin , purified protein derivative , induced the degradation of I kappa B-alpha and the expression of I kappa B-alpha mRNA , and purified protein derivative induced the activation of NF-kappa B in monocytes .
 I kappa B-alpha, NF-kappa B, tuberculin, I kappa B-alpha, monocytes, I kappa B-alpha mRNA, purified protein derivative
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
Answer:
 I kappa B-alpha, NF-kappa B, tuberculin, I kappa B-alpha, monocytes, I kappa B-alpha mRNA, purified protein derivative