4746
To elucidate the mechanism of these hormonal effects , we have studied the regulatory regions of the PFK - 2 gene in transfection experiments .
 GENE: PFK - 2 gene
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
Answer:
 GENE: PFK - 2 gene