11468
PFK - A mRNA was more abundantly expressed in all tissues than were the PFK - B and PFK - C genes .
 PFK - A, PFK - B, PFK - C genes
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: GENE 
Text: {0} 
Answer:
 PFK - A, PFK - B, PFK - C genes