10042
In agreement with the comet assay data , the percentage of gamma H2AX positive reaction in HeLa cells also revealed methomyl caused DNA double strand breaks ( DSBs ) in a time - dependent manner .
 methomyl
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 methomyl