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These results demonstrate that the transcriptional activity of an AP-1-related protein is regulated by the cAMP -dependent second-messenger pathway and suggest that JunD and other AP-1-related proteins may play an important role in the regulation of gene expression by cAMP -dependent intracellular signaling pathways .
 protein: AP-1-related protein; protein: AP-1-related proteins; protein: JunD
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: AP-1-related protein; protein: AP-1-related proteins; protein: JunD