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Resting monocytes contained nuclear factors binding to the AP-1 element , but stimulation of monocytes with LTB4 induced greater AP-1 -binding activity of nuclear proteins .
 DNA: AP-1 element; cell type: monocytes; protein: nuclear proteins; protein: nuclear factors; cell type: Resting monocytes; protein: AP-1
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
Answer:
 DNA: AP-1 element; cell type: monocytes; protein: nuclear proteins; protein: nuclear factors; cell type: Resting monocytes; protein: AP-1