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High level gene expression of these TAR mutant constructs in phorbol ester -treated Jurkat cells was eliminated by second site mutations in the enhancer region or by disruption of the tat gene .
 DNA: TAR mutant constructs; DNA: tat gene; cell line: Jurkat cells; cell line: phorbol ester -treated Jurkat cells; DNA: enhancer region
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: TAR mutant constructs; DNA: tat gene; cell line: Jurkat cells; cell line: phorbol ester -treated Jurkat cells; DNA: enhancer region