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These data suggest a role for HSP27 in the signal transduction events of platelet activation .
 protein: HSP27; cell type: platelet
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: HSP27; cell type: platelet