4600
Inhibition by IL-10 of proinflammatory cytokine release appears to occur at the level of gene transcription for TNF-alpha and both transcriptionally and posttranscriptionally for IL-1beta .
 ( protein: proinflammatory cytokine, None) , ( protein: IL-10, None) , ( protein: IL-1beta, None) , ( protein: TNF-alpha, 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: proinflammatory cytokine, None) , ( protein: IL-10, None) , ( protein: IL-1beta, None) , ( protein: TNF-alpha, None) 