1440
Furthermore, our results indicated that thymocytes have a constitutively active form of NF-kB , suggesting that they are activated in vivo.
 protein: constitutively active form; protein: NF-kB; cell type: thymocytes
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: constitutively active form; protein: NF-kB; cell type: thymocytes