1783
Upon PHA -stimulation , Id2 expression decreased and Id3 levels increased with biphasic kinetics.
 protein: PHA; protein: Id2; protein: Id3
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: PHA; protein: Id2; protein: Id3