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In addition , many cells of the innate immune system such as mast cells , basophils , neutrophils , eosinophils , dendritic cells ( DCs ) , and innate lymphoid cells ( ILCs ) play an important role in the initiation or maintenance of disease .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
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