8674
JunB also upregulated IL-4 expression in response to immunization .
 protein: JunB; protein: IL-4
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: JunB, IL-4 
Answer:
 protein: JunB; protein: IL-4