17219
Interestingly , miR - 21 expression positively correlated with urine albumin creatine ratio ( ACR ) , TIMP1 , collagen IV ( ColIV ) , and fibronectin ( FN ) ; while negatively correlated with creatine clearance ratio ( Ccr ) and MMP - 9 protein .
 Chemical: creatine; Chemical: creatine
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: creatine; Chemical: creatine