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Cellular and Animal Models of Striated Muscle Laminopathies.


ABSTRACT: The lamin A/C (LMNA) gene codes for nuclear intermediate filaments constitutive of the nuclear lamina. LMNA has 12 exons and alternative splicing of exon 10 results in two major isoforms-lamins A and C. Mutations found throughout the LMNA gene cause a group of diseases collectively known as laminopathies, of which the type, diversity, penetrance and severity of phenotypes can vary from one individual to the other, even between individuals carrying the same mutation. The majority of the laminopathies affect cardiac and/or skeletal muscles. The underlying molecular mechanisms contributing to such tissue-specific phenotypes caused by mutations in a ubiquitously expressed gene are not yet well elucidated. This review will explore the different phenotypes observed in established models of striated muscle laminopathies and their respective contributions to advancing our understanding of cardiac and skeletal muscle-related laminopathies. Potential future directions for developing effective treatments for patients with lamin A/C mutation-associated cardiac and/or skeletal muscle conditions will be discussed.

SUBMITTER: Nicolas HA 

PROVIDER: S-EPMC6523539 | biostudies-literature | 2019 Mar

REPOSITORIES: biostudies-literature

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Cellular and Animal Models of Striated Muscle Laminopathies.

Nicolas Hannah A HA   Akimenko Marie-Andrée MA   Tesson Frédérique F  

Cells 20190329 4


The lamin A/C (<i>LMNA</i>) gene codes for nuclear intermediate filaments constitutive of the nuclear lamina. <i>LMNA</i> has 12 exons and alternative splicing of exon 10 results in two major isoforms-lamins A and C. Mutations found throughout the <i>LMNA</i> gene cause a group of diseases collectively known as laminopathies, of which the type, diversity, penetrance and severity of phenotypes can vary from one individual to the other, even between individuals carrying the same mutation. The majo  ...[more]

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