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The increased transcriptional rate correlated with a marked increase in nuclear factor-kappa B activity in these cells as determined by electrophoretic mobility shift assay using a consensus NF-kappa B oligonucleotide .
 ( protein: nuclear factor-kappa B, None) , ( DNA: consensus NF-kappa B oligonucleotide, None) , ( protein: NF-kappa B, None) 
Locate the role in the text that participated in the event based on the event type and return it in the event list. 
 Option: Event type: RNA,cell type,protein,cell line,DNA, Arguments type: . 
Text: {0} 
Answer:
 ( protein: nuclear factor-kappa B, None) , ( DNA: consensus NF-kappa B oligonucleotide, None) , ( protein: NF-kappa B, None) 