11309
Terminal deoxynucleotidyl transferase - mediated nick end labeling assays revealed that hormonal activation of the PAX3 repressors induced extensive apoptosis that correlated with down - regulation of BCL - X ( L ) expression .
 Terminal deoxynucleotidyl transferase, PAX3 repressors, BCL - X ( L )
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: GENE 
Text: {0} 
Answer:
 Terminal deoxynucleotidyl transferase, PAX3 repressors, BCL - X ( L )