13845
The mutated human CIITA constructs were, therefore, tested in the pig .
 mutated human CIITA constructs, CIITA
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:
 mutated human CIITA constructs, CIITA