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Neuromuscul Disord. 2006 Aug;16(8):498-503. Epub 2006 Jun 27.

Distinct phenotypic features and gender-specific disease manifestations in a Spanish family with desmin L370P mutation.

Author information

1
Department of Neurology, Hospital Clínico Universitario de Santiago de Compostela, Travesía da Choupana s/n, 15706 Santiago de Compostela, Spain. mariasg@meditex.es

Abstract

Desminopathies represent a subtype of myofibrillar myopathy caused by mutations in the DES gene, which cause myofibril disruption and intracellular inclusions containing desmin and other protein components. Desminopathy mainly involves skeletal and cardiac muscle, separately or together. Both autosomal dominant and autosomal recessive inheritance have been reported. Here, we describe the second family identified to date with an L370P desmin mutation. The disease in this family shows autosomal dominant inheritance with a particular phenotype, where males suffer from sudden death of cardiac origin while females exhibit a more benign myopathy of distal onset and slower progression. Because the only family previously identified with this mutation was limited to one studied patient, the present kindred represents the largest clinical investigation of the phenotype associated with the L370P mutation.

PMID:
16806931
DOI:
10.1016/j.nmd.2006.05.011
[Indexed for MEDLINE]

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