11139
The effect of GH appears to occur in an autocrine fashion, since the inhibitory effect on TNF-alpha secretion by constitutive GH production could be abolished in the presence of anti-hGH mAb .
 ( protein: anti-hGH mAb, 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: anti-hGH mAb, None) , ( protein: TNF-alpha, None) 