377
The expression of alpha - smooth muscle actin ( SMA ) and collagen type I mRNA was determined by a reverse transcription - polymerase chain reaction , and the expression of alpha - SMA protein and collagen type I was determined by western blotting and / or immunofluorescent staining .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 None