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In addition, both inducible nitric oxide synthase -mRNA level and NO generation in mouse peritoneal macrophages were suppressed by 10(-5) M Azeptin .
 cell type: mouse peritoneal macrophages; protein: nitric oxide synthase
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
 Entities: mouse peritoneal macrophages, nitric oxide synthase 
Answer:
 cell type: mouse peritoneal macrophages; protein: nitric oxide synthase