Congenital myopathies
Author:
- 1 October 2007
- journal article
- review article
- Published by Wolters Kluwer Health in Current Opinion in Neurology
- Vol. 20 (5) , 583-589
Abstract
The aim of this review is to provide an up-to-date personal analysis of current congenital myopathy research. In the past year novel congenital myopathies have been suggested, genes have been discovered for some of the congenital myopathies for the first time (beta-tropomyosin in cap disease and perhaps skeletal muscle alpha-actin in Zebra body myopathy), further genes have been identified for congenital myopathies where other genes had already been found (cofilin in nemaline myopathy, selenoprotein N in congenital fibre type disproportion) and recessive myosin storage myopathy was associated with homozygous mutation of slow-skeletal/beta-cardiac myosin which was already known to be mutated in dominant myosin storage myopathy. There has been further clarification of the pathobiology of the congenital myopathies, including determination of the basis of epigenetic effects: silencing of the normal allele in recessive central core disease and persistence of cardiac (fetal) alpha-actin in nemaline myopathy patients with no skeletal actin. The increased understanding of the genes and pathobiology of the congenital myopathies that is developing should ultimately lead to effective treatments.Keywords
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