Recessive mutations in muscle-specific isoforms of FXR1 cause congenital multi-minicore myopathy

FXR1 is an alternatively spliced gene that encodes RNA binding proteins (FXR1P) involved in muscle development. In contrast to other tissues, cardiac and skeletal muscle express two FXR1P isoforms that incorporate an additional exon-15. We report that recessive mutations in this particular exon of F...

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Detalles Bibliográficos
Autores: Estañ, María Cristina, Fernández-Núñez, Elisa, Zaki, Maha S., Esteban, María Isabel, Donkervoort, Sandra, Hawkins, Cynthia, Caparros-Martin, José A., Saade, Dimah, Hu, Ying, Bolduc, Véronique, Chao, Katherine Ru Yui, Nevado, Julián, Lamuedra, Ana, Largo, Raquel, Herrero-Beaumont Cuenca, Gabriel, Regadera, Javier, Hernandez-Chico, Concepción, Tizzano, Eduardo F., Martinez-Glez, Victor, Carvajal, Jaime J., Zong, Ruiting, Nelson, David L., Otaify, Ghada A., Temtamy, Samia, Aglan, Mona, Issa, Mahmoud, Bönnemann, Carsten G., Lapunzina, Pablo, Yoon, Grace, Ruiz-Perez, Victor L.
Tipo de recurso: artículo
Fecha de publicación:2019
País:España
Institución:Universidad Autónoma de Madrid
Repositorio:Biblos-e Archivo. Repositorio Institucional de la UAM
Idioma:inglés
OAI Identifier:oai:repositorio.uam.es:10486/688388
Acceso en línea:http://hdl.handle.net/10486/688388
https://dx.doi.org/10.1038/s41467-019-08548-9
Access Level:acceso abierto
Palabra clave:FXR1
FXR1P
Recessive mutations
Myopath
Protein
Medicina
Descripción
Sumario:FXR1 is an alternatively spliced gene that encodes RNA binding proteins (FXR1P) involved in muscle development. In contrast to other tissues, cardiac and skeletal muscle express two FXR1P isoforms that incorporate an additional exon-15. We report that recessive mutations in this particular exon of FXR1 cause congenital multi-minicore myopathy in humans and mice. Additionally, we show that while Myf5-dependent depletion of all FXR1P isoforms is neonatal lethal, mice carrying mutations in exon-15 display non-lethal myopathies which vary in severity depending on the specific effect of each mutation on the protein.

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