1722
Alpha-tocopherol treatment of the mice given the CCl4 also reduced the NF-kappa B binding to levels approaching those found in normal mice .
 protein: NF-kappa B
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
Answer:
 protein: NF-kappa B