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Título: | Next-generation sequencing in bone marrow failure syndromes and isolated cytopenias: experience of the spanish network on bone marrow failure sundromes |
Autor: | Gálvez, Eva; Vallespin, Elena; Arias-Salgado, Elena G.; Sánchez-Valdepeñas, Carmen; Giménez, Yari; Navarro, Susana; Río, Paula; Bogliolo, Massimo; Pujol, Rose; Peiró, Montserrat; Nevado, Juliá; Zubicaray, Josune; Sebastián, Elena; Catalá, Albert; Beléndez, Cristina; Diaz-Heredia, Cristina; Galera, Ana; Badell-Serra, Isabel; Madero, Luis; Perona Abellón, Rosario CSIC ORCID; Sastre, Leandro CSIC ORCID; Surrallés, Jordi; Bueren-Calabuig, Juan A.; Lapunzina, Pablo; Sevilla Navarro, Julian | Fecha de publicación: | abr-2021 | Editor: | Lippincott Williams & Wilkins | Citación: | HemaSphere 5(4): e539 (2021) | Resumen: | Inherited bone marrow failure syndromes (IBMFSs) are a group of congenital rare diseases characterized by bone marrow failure, congenital anomalies, high genetic heterogeneity, and predisposition to cancer. Appropriate treatment and cancer surveillance ideally depend on the identification of the mutated gene. A next-generation sequencing (NGS) panel of genes could be 1 initial genetic screening test to be carried out in a comprehensive study of IBMFSs, allowing molecular detection in affected patients. We designed 2 NGS panels of IBMFS genes: version 1 included 129 genes and version 2 involved 145 genes. The cohort included a total of 204 patients with suspected IBMFSs without molecular diagnosis. Capture-based targeted sequencing covered > 99% of the target regions of 145 genes, with more than 20 independent reads. No differences were seen between the 2 versions of the panel. The NGS tool allowed a total of 91 patients to be diagnosed, with an overall molecular diagnostic rate of 44%. Among the 167 patients with classified IBMFSs, 81 patients (48%) were diagnosed. Unclassified IBMFSs involved a total of 37 patients, of whom 9 patients (24%) were diagnosed. The preexisting diagnosis of 6 clinically classified patients (6%) was amended, implying a change of therapy for some of them. Our NGS IBMFS gene panel assay is a useful tool in the molecular diagnosis of IBMFSs and a reasonable option as the first tier genetic test in these disorders. | Descripción: | © 2021 the Author(s). | Versión del editor: | http://dx.doi.org/10.1097/HS9.0000000000000539 | URI: | http://hdl.handle.net/10261/265352 | DOI: | 10.1097/HS9.0000000000000539 | E-ISSN: | 2572-9241 |
Aparece en las colecciones: | (IIBM) Artículos |
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