27547
The defects arising from SMAD4 depletion could not be rescued by intra - ovarian mediators of LH actions , such as EGF - like factors and prostaglandin E2 .
 Chemical: prostaglandin E2
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: prostaglandin E2