Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/79975
Title: A dysfunctional desmin mutation in a patient with severe generalized myopathy
Authors: Munoz-Marmol, Ana M.
Coulombe, Pierre A.
Mate, José L.
Navas-Palacios, José J.
Strasser, Geraldine
Isamat, Marcos
Yang, Yanmin
Roca, Xavier
Vela, Elena
Coll, Jaume
Fernández-Figueras, María Teresa
Ariza, Aurelio
Fuchs, Elaine
Keywords: DRNTU::Science::Biological sciences
Issue Date: 1998
Source: Munoz-Marmol, A. M., Strasser, G., Isamat, M., Coulombe, P. A., Yang, Y., & Roca, X., et al. (1998). A dysfunctional desmin mutation in a patient with severe generalized myopathy. Proceedings of the National Academy of Sciences of the United States of America, 95(19), 11312-11317.
Series/Report no.: National Academy of Sciences of the United States of America
Abstract: Mice lacking desmin produce muscle fibers with Z disks and normal sarcomeric organization. However, the muscles are mechanically fragile and degenerate upon repeated contractions. We report here a human patient with severe generalized myopathy and aberrant intrasarcoplasmic accumulation of desmin intermediate filaments. Muscle tissue from this patient lacks the wild-type desmin allele and has a desmin gene mutation encoding a 7-aa deletion within the coiled-coil segment of the protein. We show that recombinant desmin harboring this deletion cannot form proper desmin intermediate filament networks in cultured cells, nor is it able to assemble into 10-nm filaments in vitro. These findings provide direct evidence that a mutation in desmin can cause human myopathies.
URI: https://hdl.handle.net/10356/79975
http://hdl.handle.net/10220/8864
DOI: 10.1073/pnas.95.19.11312
Rights: © 1998 The National Academy of Sciences. This is the author created version of a work that has been peer reviewed and accepted for publication by Proceedings of the National Academy of Sciences of the United States of America, The National Academy of Sciences. It incorporates referee’s comments but changes resulting from the publishing process, such as copyediting, structural formatting, may not be reflected in this document. The published version is available at: [DOI:http://dx.doi.org/10.1073/pnas.95.19.11312].
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:SBS Journal Articles

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