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Similar DNA binding activity was detected in a variety of virus-uninfected human T cell lines and HeLa cells by means of a gel mobility shift assay .
 cell line: HeLa cells; cell line: virus-uninfected human T cell lines
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 line: HeLa cells; cell line: virus-uninfected human T cell lines