A girl with 1p36 deletion syndrome and congenital fiber type disproportion myopathy
Copyright policy )A girl with 1p36 deletion syndrome and congenital fiber type disproportion myopathy
Chromosome 1p36 deletion syndrome is characterized by hypotonia, moderate to severe developmental and growth retardation, and characteristic craniofacial dysmorphism. Muscle hypotonia and delayed motor development are almost constant features of the syndrome. We report a 4-year-old Japanese girl with 1p36 deletion syndrome whose muscle pathology showed congenital fiber type disproportion (CFTD) myopathy. This is the first case report of 1p36 deletion associated with CFTD. This association may indicate that one of the CFTD loci is located at 1p36. Ski proto-oncogene -/- mice have phenotypes that resemble some of the features observed in patients with 1p36 deletion syndrome. Because fluorescent in situ hybridization analysis revealed that the human SKI gene is deleted in our patient, some genes in 1p36, including SKI proto-oncogene, may be involved in muscle hypotonia and delayed motor development in this syndrome.
Mice, Knockout, Muscle Fibers, Skeletal, Syndrome, Proto-Oncogene Mas, DNA-Binding Proteins, Disease Models, Animal, Mice, Chromosomes, Human, Pair 1, Child, Preschool, Proto-Oncogene Proteins, Animals, Humans, Female, Chromosome Deletion, Growth Disorders, In Situ Hybridization, Fluorescence, Myopathies, Structural, Congenital
Mice, Knockout, Muscle Fibers, Skeletal, Syndrome, Proto-Oncogene Mas, DNA-Binding Proteins, Disease Models, Animal, Mice, Chromosomes, Human, Pair 1, Child, Preschool, Proto-Oncogene Proteins, Animals, Humans, Female, Chromosome Deletion, Growth Disorders, In Situ Hybridization, Fluorescence, Myopathies, Structural, Congenital
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