Fig. 1From: A patient with myotonic dystrophy diagnosed after experiencing sudden respiratory failure: a case reportSouthern blot analysis of the patient’s genomic DNA samples. Southern blots of (a) EcoRI- and (b) BglI-digested genomic DNA from a normal subject (control, lane 1) and from the myotonic dystrophy type 1 patient (case, lane 2). Expanded CTG repeat (red arrow) at 11.6 kb in DMPK gene was respectively detected in the affected patientBack to article page