2067
Using a bioinformatic approach , we have identified a novel peptide , phoenixin , that regulates pituitary gonadotrophin secretion by modulating the expression of the GnRH receptor , an action with physiologically relevant consequences .
 Chemical: phoenixin; Chemical: GnRH
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: phoenixin; Chemical: GnRH