24176
The current study demonstrated that ATO induced morphological characteristics of apoptosis and Caspase - 3 activation in CFs of guinea pigs along with a significant up - regulation in TGF - beta 1 protein expression , Bax / Bcl - 2 ratio and ERK1 / 2 phosphorylation .
 Chemical: ATO
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: ATO