18013
Following delivery of siRNA by the novel lipid , AtuFECT01 , mRNA expression of OATP1B1 was reduced by 94 % - 98 % with no significant toxicity .
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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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