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 .
 IL-10, TNF-alpha, promonocytic cell line, U1, monocyte-derived macrophages, IL-10
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
Answer:
 IL-10, TNF-alpha, promonocytic cell line, U1, monocyte-derived macrophages, IL-10