25787
Tomatidine reduces the mRNA level of matrix metalloproteinase - 2 ( MMP - 2 ) , MMP - 9 and increases the expression of reversion - inducing cysteine - rich protein with kazal motifs ( RECK ) , as well as tissue inhibitor of metalloproteinase - 1 ( TIMP - 1 ) .
 Chemical: Tomatidine; Chemical: cysteine
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: Tomatidine; Chemical: cysteine