5230
The complete sequence and characterization of the structure of the DM kinase gene , as well as the identification of novel polymorphisms within the gene , represent an important step in a further understanding of the genetics of myotonic dystrophy and the molecular biology of the gene . .
 DM, myotonic dystrophy
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Disease 
Text: {0} 
Answer:
 DM, myotonic dystrophy