1081
When cloned in multiple copies this so-called TCEd ( distal T cell element ) acts as an inducible proto-enhancer element in E14 T lymphoma cells , but not in HeLa cells .
 cell line: E14 T lymphoma cells; DNA: proto-enhancer element; cell line: HeLa cells; DNA: TCEd; DNA: distal T cell element
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: E14 T lymphoma cells; DNA: proto-enhancer element; cell line: HeLa cells; DNA: TCEd; DNA: distal T cell element