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Suppression of the human immunodeficiency virus long terminal repeat by CD8+ T cells is dependent on the NFAT-1 element .
 CD8+ T cells, NFAT-1 element, human immunodeficiency virus long terminal repeat, NFAT-1
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
Answer:
 CD8+ T cells, NFAT-1 element, human immunodeficiency virus long terminal repeat, NFAT-1