3990
In addition , inhibition of PPAR - gamma activity with T0070907 and up - regulation with its agonist troglitazone , showed the direct association of PPAR - gamma and arsenic - mediated inhibition of differentiating hMSCs .
 Chemical: troglitazone; Chemical: arsenic
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: troglitazone; Chemical: arsenic