2185
The data indicate that calcitonin induced a beta - endorphin increase independent of enhanced corticotrophin - cortisol release .
 calcitonin, beta - endorphin, corticotrophin
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: GENE 
Text: {0} 
Answer:
 calcitonin, beta - endorphin, corticotrophin