5324
The pregnane X receptor ( PXR , NR1I2 ) plays a pivotal role in the disposition and detoxification of numerous foreign and endogenous chemicals by increasing transcription of numerous target genes , including phase I and II drug - metabolizing enzymes and transporters .
 Chemical: pregnane
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