4906
LPS -stimulated monocytes showed an increased expression of p105 mRNA , the precursor of the p50 subunit of the transcription factor nuclear factor-kappa B ( NF-kappa B ), while no effect was noticed on the expression of p65 mRNA .
 ( RNA: p65 mRNA, None) , ( cell type: LPS -stimulated monocytes, None) , ( RNA: p105 mRNA, None) , ( protein: p50, None) , ( protein: transcription factor nuclear factor-kappa B, None) , ( protein: p50 subunit, None) , ( protein: NF-kappa B, None) , ( protein: p105, 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:
 ( RNA: p65 mRNA, None) , ( cell type: LPS -stimulated monocytes, None) , ( RNA: p105 mRNA, None) , ( protein: p50, None) , ( protein: transcription factor nuclear factor-kappa B, None) , ( protein: p50 subunit, None) , ( protein: NF-kappa B, None) , ( protein: p105, None) 