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In contrast, mutagenesis of proximal NF-kappa B motif ( L1 ) had minimal effects on gene expression in both HeLa cells and lymphoid cells but resulted in a small, but reproducible, increase in gene expression in lymphoid cells when coupled to the L2 mutation .
 DNA: L2; cell type: lymphoid cells; DNA: proximal NF-kappa B motif; cell line: HeLa cells; cell type: lymphoid cells; DNA: L1
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:
 DNA: L2; cell type: lymphoid cells; DNA: proximal NF-kappa B motif; cell line: HeLa cells; cell type: lymphoid cells; DNA: L1