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Tat transactivation mediated by the kappa B domain is sufficient to allow replication of TAR -deleted mutant HIV-1 in astrocytes .
 kappa B domain, Tat, astrocytes, TAR
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:
 kappa B domain, Tat, astrocytes, TAR