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Taken together , our study for the first time suggests that 2 - hydroxy - 3 - methylanthraquinone is able to enhance apoptosis of U937 cells , at least in part , through activation of p - p38MAPK and downregulation of p - ERK1 / 2 .
 Chemical: 2 - hydroxy - 3 - methylanthraquinone
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: 2 - hydroxy - 3 - methylanthraquinone