11719
Real - time PCR revealed alterations in expression of mRNAs involved in aryl hydrocarbon receptors ( AhRs ) - , peroxisome proliferator - activated receptor alpha ( PPAR alpha ) - , estrogenic receptors ( ERs ) - , thyroid hormone receptor alpha ( TR alpha ) - , glucocorticoid receptor ( GR ) - , and mineralocorticoid receptor ( MR ) - centered gene networks .
 Chemical: aryl hydrocarbon; Chemical: thyroid hormone
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: aryl hydrocarbon; Chemical: thyroid hormone