6515
The mRNA expression of lipid metabolism associated genes such as peroxisome proliferator - activated receptors ( PPARs ) , androgen receptor , acetyl - CoA carboxylase 1 , fatty acid synthesis , fatty acid bing protein 4 , liver X receptor alpha ( LXR alpha ) and stearoyl - CoA desaturase were up - regulated by PBZ exposure .
 Chemical: androgen; Chemical: acetyl - CoA; Chemical: fatty acid; Chemical: fatty acid; Chemical: stearoyl - CoA; Chemical: PBZ
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: androgen; Chemical: acetyl - CoA; Chemical: fatty acid; Chemical: fatty acid; Chemical: stearoyl - CoA; Chemical: PBZ