5043
However , a clear difference exists between myoblasts and 10T1 / 2 cells ( and other non - muscle cell types ) in the chromatin structure of the chromosomal myoD core enhancer , suggesting that the myoD enhancer is repressed by epigenetic mechanisms in 10T1 / 2 cells .
 myoD core enhancer, myoD enhancer
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: GENE 
Text: {0} 
Answer:
 myoD core enhancer, myoD enhancer