12724
Thus , in the present study , the roles of AMP - activated protein kinase ( AMPK ) and glycogen synthase kinase 3 beta ( GSK3 beta ) were examined in ursolic acid induced apoptosis in HepG2 hepatocellular carcinoma cells .
 Chemical: AMP
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: AMP