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The effects of TNF-alpha on gene expression were examined by transient expression assays using reporter chloramphenicol acetyltransferase plasmids linked to regulatory elements from the HIV long terminal repeat ( LTR ) and the beta interferon promoter .
 DNA: beta interferon promoter; DNA: regulatory elements; DNA: HIV long terminal repeat; protein: TNF-alpha; DNA: LTR; DNA: reporter chloramphenicol acetyltransferase plasmids
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: beta interferon promoter; DNA: regulatory elements; DNA: HIV long terminal repeat; protein: TNF-alpha; DNA: LTR; DNA: reporter chloramphenicol acetyltransferase plasmids