18684
Cyclic stretch also increased sGC beta protein expression ( 2 . 5 +/- 0 . 9 - fold ) , sGC activity ( 1 . 5 +/- 0 . 2 - fold ) and cGMP levels ( 1 . 8 +/- 0 . 2 - fold ) , as well as iNOS mRNA and protein expression ( 3 . 0 +/- 0 . 9 and 2 . 6 +/- 0 . 7 - fold , respectively ) relative to control cells .
 Chemical: cGMP
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: cGMP