14204
Transcriptional activation of the M-CSF gene by IL-2 is preceded by enhanced binding activity of the transcription factor NF-kappa B to its recognition sequence in the 5' regulatory enhancer region of the M-CSF gene .
 ( DNA: M-CSF gene, None) , ( DNA: M-CSF gene, None) , ( protein: IL-2, None) , ( protein: transcription factor, 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:
 ( DNA: M-CSF gene, None) , ( DNA: M-CSF gene, None) , ( protein: IL-2, None) , ( protein: transcription factor, None) , ( protein: NF-kappa B, None) 