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The increased PDGF(B) mRNA observed in adherent monocytes was accompanied by increases in mRNAs of the early growth response genes c-fos (maximal at 20 min), c-jun, and EGR2 (maximal at 6-24 h).
 protein: PDGF(B); DNA: early growth response genes; RNA: mRNAs; RNA: PDGF(B) mRNA; DNA: c-fos; cell type: adherent monocytes
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:
 protein: PDGF(B); DNA: early growth response genes; RNA: mRNAs; RNA: PDGF(B) mRNA; DNA: c-fos; cell type: adherent monocytes