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Treatment of an HTLV-I infected human T-cell line with H-7 blocked specifically accumulation of the unspliced gag-pol mRNA , resulting in the decreased Gag protein synthesis that corresponds with the decreased in vivo phosphorylation of Rex .
 protein: Gag protein; protein: Rex; cell line: HTLV-I infected human T-cell line; RNA: unspliced gag-pol mRNA
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:
 protein: Gag protein; protein: Rex; cell line: HTLV-I infected human T-cell line; RNA: unspliced gag-pol mRNA