, Volume 100, Issue 6, pp 547-551
Date: 16 Feb 2011

Sudden cardiac death in a patient with lamin A/C mutation in the absence of dilated cardiomyopathy or conduction disease

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Sirs:

Dilated cardiomyopathy (DCM) is a frequent form among the cardiomyopathies and displays a very heterogeneous etiology. It is a familial disease in about one-third of DCM cases [8, 14, 16]. More than 20 DCM candidate genes were already identified [2, 4], but the genetic defects in the large majority of familial cases are still unknown. LMNA is among the most common genes affected in familial DCM and is coding for lamin A/C, which is a ubiquitous component of the nuclear skeleton and involved in the regulation of gene expression. However, there are many other non-cardiac diseases like Emery-Dreifuss muscular dystrophy (EDMD2; OMIM 181350), Limb-girdle muscular dystrophy type 1B (LGMD1B; OMIM 159001), Dunnigan-type familial partial lipodystrophy (OMIM 151660), Charcot-Marie-Tooth disease (CMT2B1; OMIM 605588), Hutchinson-Gilford progeria syndrome (HGPS; OMIM 176670) and restrictive dermopathy (OMIM 275210), which can result from defects in this gene and are summarized under the term ...