4797
The VDR also has immunomodulatory actions that are dependent on its ligand , 1 , 25 - dihydroxyvitamin D .
 1 , 25 - dihydroxyvitamin D
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 1 , 25 - dihydroxyvitamin D