Anna Łusakowska

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Replication of the mitochondrial genome depends on the single DNA polymerase (pol gamma). Mutations in the POLG gene, encoding the catalytic subunit of the human polymerase gamma, have been linked to a wide variety of mitochondrial disorders that show remarkable heterogeneity, with more than 200 sequence variants, often very rare, found in patients. The(More)
INTRODUCTION Multisystem manifestations of myotonic dystrophies type 1 (DM1) and 2 (DM2) are well known. Peripheral nerve involvement has been reported in DM1 but not in genetically confirmed DM2. The aim of our study was to assess peripheral nerve involvement in DM2 using nerve conduction studies and to compare these results with findings in DM1. METHODS(More)
The aim of this study was to evaluate cardiac autonomic nervous system function using Holter-derived and standard electrocardiographic parameters in patients with myotonic dystrophy (dystrophia myotonica, DM) and no clinically overt heart involvement. Eighty-four DM patients without conditions potentially influencing cardiac autonomic function were enrolled(More)
Congenital myopathies and muscular dystrophies constitute a genetically and phenotypically heterogeneous group of rare inherited diseases characterized by muscle weakness and atrophy, motor delay and respiratory insufficiency. To date, curative care is not available for these diseases, which may severely affect both life-span and quality of life. We discuss(More)
BACKGROUND Patients with myotonic muscular dystrophy (dystrophia myotonica, DM) are at risk of sudden cardiac death due to diverse arrhythmias, especially progressive atrioventricular (AV) conduction abnormalities. However, there are limited data on supraventricular and potentially life-threatening ventricular arrhythmias, especially according to type 1 and(More)
Mutations in the superoxide dismutase-1 (SOD1) gene have been found in 12-23% of patients with a diagnosis of ALS. Here we describe a large ALS Polish family with a branch in France, carrying a G41S mutation in the SOD1, and characterized by an early onset of the disease and extremely short survival time. The mutation has been initially detected in Italian(More)
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