24180
We therefore conclude that TGF - beta is functionally linked to ERK1 / 2 and that TGF - beta signaling is responsible for ATO - induced CFs apoptosis , which provides a novel mechanism of ATO related cardiac toxicology .
 Chemical: ATO; 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; Chemical: ATO