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In myotubes , genipin promoted glucose transporter 4 ( GLUT4 ) translocation to the cell surface , which was observed by analyzing their distribution in subcellular membrane fraction , and increased the phosphorylation of insulin receptor substrate - 1 ( IRS - 1 ) , AKT , and GSK3 beta .
 Chemical: genipin; Chemical: glucose
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: genipin; Chemical: glucose