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The results showed that OTA exposure elevated intracellular ROS production , which directly induced DNA damage and increased the levels of 8 - OHdG and DNA double - strand breaks ( DSBs ) .
 Chemical: OTA; Chemical: 8 - OHdG
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: OTA; Chemical: 8 - OHdG