1. Cardiac transplantation in a Duchenne muscular dystrophy carrier
- Author
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G. Thiene, Marina Fanin, Paola Melacini, G. A. Danieli, Elena Pegoraro, Eric P. Hoffman, Corrado Angelini, Ugolino Livi, Annalisa Angelini, and S. Dalla Volta
- Subjects
Adult ,Cardiomyopathy, Dilated ,musculoskeletal diseases ,Heterozygote ,medicine.medical_specialty ,Biopsy ,medicine.medical_treatment ,Duchenne muscular dystrophy ,Cardiomyopathy ,Muscular Dystrophies ,Dystrophin ,Dosage Compensation, Genetic ,Internal medicine ,medicine ,Humans ,Muscle, Skeletal ,Genetics (clinical) ,Heart transplantation ,biology ,business.industry ,Myocardium ,Cardiac muscle ,Skeletal muscle ,DNA ,medicine.disease ,Immunohistochemistry ,Troponin ,medicine.anatomical_structure ,Neurology ,Pediatrics, Perinatology and Child Health ,biology.protein ,Cardiology ,Heart Transplantation ,Female ,Neurology (clinical) ,ITGA7 ,business - Abstract
We report here for the first time the case of a symptomatic DMD carrier, who had a heart transplant for a severe dilated cardiomyopathy. Dystrophin immunohistochemistry, western blot and analysis of X-chromosome inactivation on leucocytes, and skeletal and cardiac muscle biopsies on the explanted heart were performed. The patient was a heterozygote for exons 50-52 deletion in the dystrophin gene. The number of dystrophin-deficient fibres in the heart was much higher than in skeletal muscle. On the other hand, the explanted heart showed a non-skewed pattern of X-chromosome inactivation, as in leukocytes and skeletal muscle. The adverse cardiac course may be explained by the absence of regeneration among cardiomyocytes.
- Published
- 1998