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Here we demonstrate a link between the p38 pathway and a member of the myocyte-enhancer factor 2 (MEF2) group of transcription factors .
 ( protein: myocyte-enhancer factor 2 (MEF2) group, None) , ( protein: transcription factors, None) , ( protein: p38, 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: myocyte-enhancer factor 2 (MEF2) group, None) , ( protein: transcription factors, None) , ( protein: p38, None) 