11764
However , the increase of COL - I gene expression as a result of treatment with 1 , 10 , 25 , and 100 mu M of sodium metasilicate did not reach statistical significance .
 Chemical: sodium metasilicate
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: sodium metasilicate