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Most of the target genes for NF-kappa B are of relevance for the immune response and can be grouped into those encoding cytokines , cell surface receptors , acute phase proteins and viral genomes , such as that of human immunodeficiency virus type 1 ( HIV-1 ).
 acute phase proteins, cell surface receptors, viral genomes, NF-kappa B, cytokines
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:
 acute phase proteins, cell surface receptors, viral genomes, NF-kappa B, cytokines