14666
Interestingly , expression of siRNA against Smad 3 or Smad 7 , which blocks TGF beta receptor - specific Smad 3 signaling , prevented TGF beta - induced suppression of deptor abundance and TORC1 / 2 activities .
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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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