2749
Immunohistochemistry displayed significantly increased expressions of MMP - 2 , MMP - 9 , ADAM - 10 and ADAM - 17 ( all p < 0 . 01 ) in intima and media for CaCl ( 2 ) - treated segments .
 CaCl ( 2 )
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 CaCl ( 2 )