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Interestingly , we found that only the cationic nanoparticles have the ability to disrupt the TNF - alpha stimulated cellular signaling by reducing the IL - 8 promoter activity , IL - 6 and IL - 8 protein .
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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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