4552
The delayed activation of the prostaglandin G / H synthase - 2 promoter in bovine granulosa cells is associated with down - regulation of truncated upstream stimulatory factor - 2 .
 GENE: prostaglandin G / H synthase - 2; GENE: upstream stimulatory factor - 2
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: prostaglandin G / H synthase - 2; GENE: upstream stimulatory factor - 2