7417
The promoter segment was inactive when introduced into the rat glioma cell line C6B4 , the rat submandibular cell line RSMT - A5 , and the rat pancreatic beta cell line RIN - 5AH , all of which do not express the endogenous alpha2c - AR gene .
 alpha2c - AR gene
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: GENE 
Text: {0} 
Answer:
 alpha2c - AR gene