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These studies indicate that HIV-1 infection of myelomonoblastic cells may select for a more mature monocytic phenotype and that unique subunit associations of NF-kappa B DNA binding proteins may contribute to differential NF-kappa B -mediated gene expression .
 protein: NF-kappa B; protein: NF-kappa B DNA binding proteins; protein: NF-kappa B; cell type: myelomonoblastic cells
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: NF-kappa B; protein: NF-kappa B DNA binding proteins; protein: NF-kappa B; cell type: myelomonoblastic cells