30215
The antifibrotic effect of BMP - 7 could be related to the activation of BMP / Smad signaling and inhibition of TGF - beta / Smad pathways .
 None
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities:  
Answer:
 None