5043
Recent studies have demonstrated that this trinucleotide motif forms part of the last , 3 untranslated exon of a gene which potentially encodes multiple protein isoforms of a serine / threonine protein kinase ( myotonic dystrophy protein kinase , DM - PK ) .
 myotonic dystrophy
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Disease 
Text: {0} 
Answer:
 myotonic dystrophy