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These mediators were measured in supernatants from ventilated alveolar macrophages , monocyte-derived macrophages , and promonocytic THP-1 cells .
 monocyte-derived macrophages, promonocytic THP-1 cells, ventilated alveolar macrophages
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:
 monocyte-derived macrophages, promonocytic THP-1 cells, ventilated alveolar macrophages