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Thus, stable expression of HB24 confers an activation phenotype on a human T cell line , implicating this gene as an important transcriptional factor during T cell activation and growth .
 DNA: HB24; cell line: human T cell line; protein: transcriptional factor
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:
 DNA: HB24; cell line: human T cell line; protein: transcriptional factor