5479
Although IL-10 alone did not induce HIV-1 replication , in the presence of TNF-alpha , IL-10 markedly enhanced virion production from a chronically infected promonocytic cell line ( U1 ) and in acutely infected monocyte-derived macrophages .
 ( protein: IL-10, None) , ( protein: TNF-alpha, None) , ( cell line: promonocytic cell line, None) , ( cell line: U1, None) , ( cell type: monocyte-derived macrophages, None) , ( protein: IL-10, 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: IL-10, None) , ( protein: TNF-alpha, None) , ( cell line: promonocytic cell line, None) , ( cell line: U1, None) , ( cell type: monocyte-derived macrophages, None) , ( protein: IL-10, None) 