1912
Levels of RNA for tissue inhibitors of metalloproteinases ( TIMP - 1 , TIMP - 2 ) were relatively constant , suggesting independent regulation of type IV collagenases and their inhibitors .
 Anatomy: tissue
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Anatomy 
Text: {0} 
Answer:
 Anatomy: tissue