Myopathies resulting from mutations in sarcomeric proteins

C.G. Bonnemann, Nigel Laing

Research output: Contribution to journalArticle

40 Citations (Scopus)

Abstract

Purpose of review The past decade has seen the discovery of the major role that mutations in the protein components of the sarcomere plays as a cause of human muscle disease. An overview of the more precise molecular definitions of these diseases is timely.Recent findings Recent findings include: the beginnings of an understanding of the role of the sarcomere in controlling muscle gene expression; the theoretical analysis of the increasing number of mutations identified in the skeletal muscle actin gene; the identification of mutations in myosin causing hereditary inclusion body myopathy and hyaline body myopathy and the identification of mutations in myotilin in myofibrillar myopathy.Summary An increasing spectrum of human muscle diseases is being shown to be caused by mutations in proteins of all the major components of the sarcomere. Molecular analysis is providing a more accurate delineation of these diseases, but for the giant nebulin and titin genes, molecular diagnosis remains difficult. Treatment options for these disorders will only come through a deeper understanding of the sarcomere and of the pathogenesis of its disorders.
Original languageEnglish
Pages (from-to)529-537
JournalCurrent Opinion in Neurology
Volume17
Issue number5
DOIs
Publication statusPublished - 2004

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