A National French consensus on gene lists for the diagnosis of myopathies using next-generation sequencing

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Krahn, Martin | Biancalana, Valérie | Cerino, Mathieu | Perrin, Aurélien | Michel-Calemard, Laurence | Nectoux, Juliette | Leturcq, France | Bouchet-Séraphin, Céline | Acquaviva-Bourdain, Cécile | Campana-Salort, Emmanuelle | Molon, Annamaria | Urtizberea, Jon Andoni | Audic, Frédérique | Chabrol, Brigitte | Pouget, Jean | Froissart, Roseline | Melki, Judith | Rendu, John | Petit, François | Metay, Corinne | Séta, Nathalie | Sternberg, Damien | Faure, Julien | Cossée, Mireille

Edité par CCSD ; Nature Publishing Group -

International audience. Next-generation sequencing (NGS) gene-panel-based analyses constitute diagnosis strategies which are adapted to the genetic heterogeneity within the field of myopathies, including more than 200 implicated genes to date. Nonetheless, important inter-laboratory diversity of gene panels exists at national and international levels, complicating the exchange of data and the visibility of the diagnostic offers available for referring neurologists. To address this issue, we here describe the initiative of the genetic diagnosis section of the French National Network for Rare Neuromuscular Diseases (Filière Nationale des Maladies Rares Neuromusculaires, FILNEMUS), which led to set up a consensual nationwide diagnostic strategy among the nine French genetic diagnosis laboratories using NGS for myopathies. The strategy is based on the determination of 13 clinical and/or histological entry-diagnosis groups, and consists for each group either in a successive NGS analysis of a "core gene list" followed in case of a negative result by the analysis of an "exhaustive gene list", or in the NGS analysis of a "unique exhaustive gene list".

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