26751
We aimed to address the hypothesis that platelets contribute to aberrant COX - 2 expression in HT29 colon carcinoma cells and to reveal the role of platelet - induced COX - 2 on the expression of proteins involved in malignancy and marker genes of epithelial - mesenchymal transition ( EMT ) .
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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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