16334
Mouse hepatocytes cultured either in monolayer or sandwich configurations were finally shown to exhibit up - regulation of referent transporters in response to exposure to prototypical activators of the drug sensing receptors pregnane X receptor , aryl hydrocarbon receptor or constitutive androstane receptor .
 Chemical: pregnane; Chemical: aryl hydrocarbon; Chemical: androstane
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: pregnane; Chemical: aryl hydrocarbon; Chemical: androstane