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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

Dominant and recessive central core disease associated with RYR1 mutations and fetal akinesia.

We studied seven patients (fetuses/infants) from six unrelated families affected by central core disease ( CCD) and presenting with a fetal akinesia syndrome. Two fetuses died before birth (at 31 and 32 weeks) and five infants presented severe symptoms at birth (multiple arthrogryposis, congenital dislocation of the hips, severe hypotonia and hypotrophy, skeletal and feet deformities, kyphoscoliosis, etc.). Histochemical and ultrastructural studies of muscle biopsies confirmed the diagnosis of CCD showing unique large eccentric cores. Molecular genetic investigations led to the identification of mutations in the ryanodine receptor (RYR1) gene in three families, two with autosomal recessive (AR) and one with autosomal dominant (AD) inheritance. RYR1 gene mutations were located in the C-terminal domain in two families (AR and AD) and in the N-terminal domain of the third one (AR). This is the first report of mutations in the RYR1 gene involved in a severe form of CCD presenting as a fetal akinesia syndrome with AD and AR inheritances.[1]


  1. Dominant and recessive central core disease associated with RYR1 mutations and fetal akinesia. Romero, N.B., Monnier, N., Viollet, L., Cortey, A., Chevallay, M., Leroy, J.P., Lunardi, J., Fardeau, M. Brain (2003) [Pubmed]
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