CCT3 and myotonic dystrophy type 2: The disorder encompasses two genetically distinct types: myotonic dystrophy type 1 (DM1, OMIM 160900) and myotonic dystrophy type 2 (DM2, OMIM 602668), attributable to CTG expansion in 3’UTR of the DMPK gene and CCTG repeats in the first intron of the CNBP gene, respectively (Kumar et al, 2013).