26360
In addition to the effect seen in the abdominal constriction model , SAE was also able to inhibit the hyperalgesia induced by carrageenan and prostaglandin E2 ( PGE2 ) in mice .
 prostaglandin E2, PGE2
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 prostaglandin E2, PGE2