5780
Since the circadian CORT rhythm is associated with circadian expression of the steroidogenic acute regulatory ( StAR ) protein , we investigated the 24h pattern of hormonal secretion ( ACTH and CORT ) , steroidogenic gene expression ( StAR , SF - 1 , DAX1 and Nurr77 ) and the expression of genes involved in ACTH signalling ( MC2R and MRAP ) in rats entrained to a normal light - dark cycle .
 Chemical: CORT; Chemical: CORT
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: CORT; Chemical: CORT