7364
Transcription factors Sp1 and AP-2 mediate induction of acid sphingomyelinase during monocytic differentiation .
 ( protein: acid sphingomyelinase, None) , ( protein: AP-2, None) , ( protein: Sp1, None) , ( protein: Transcription factors, 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: acid sphingomyelinase, None) , ( protein: AP-2, None) , ( protein: Sp1, None) , ( protein: Transcription factors, None) 