20255
HSYA was able to effectively inhibit oxidative stress mediated hepatic injury by increasing the activities of antioxidant enzymes , up regulating the expression of PPAR gamma and MMP - 2 , and down regulating the expression of TGF - beta 1 and TIMP - 1 , and reducing alpha - SMA level .
 Chemical: HSYA
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: HSYA