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To further our understanding of how fisetin negatively regulates mTORC1 signaling , we analyzed the phosphorylation of S6K1 , mTOR and Akt in fisetin - treated TSC2 - knockdown cells .
 Chemical: fisetin; Chemical: fisetin
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: fisetin; Chemical: fisetin