1798
In purified human peripheral blood T cells , nuclear STAT proteins were activated approximately 3 h after activation by cross-linked anti-CD3 Abs .
 cell type: purified human peripheral blood T cells; protein: anti-CD3 Abs; protein: nuclear STAT proteins; cell type: T cells
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:
 cell type: purified human peripheral blood T cells; protein: anti-CD3 Abs; protein: nuclear STAT proteins; cell type: T cells