Assessment of gene-disease associations and recommendations for genetic testing for somatic variants in vascular anomalies by VASCERN-VASCA
Por:
Revencu N, Eijkelenboom A, Bracquemart C, Alhopuro P, Armstrong-Moron J, Baselga E, Cesario C, Dentici ML, Eyries M, Frisk S, Karstensen HG, Gene-Olaciregui N, Kivirikko S, Lavarino C, Mero IL, Michiels R, Pisaneschi E, Schönewolf-Greulich B, Wieland I, Zenker M and Vikkula M
Publicada:
22 may 2024
Ahead of Print:
22 may 2024
Resumen:
Background Vascular anomalies caused by somatic (postzygotic) variants are clinically and genetically heterogeneous diseases with overlapping or distinct entities. The genetic knowledge in this field is rapidly growing, and genetic testing is now part of the diagnostic workup alongside the clinical, radiological and histopathological data. Nonetheless, access to genetic testing is still limited, and there is significant heterogeneity across the approaches used by the diagnostic laboratories, with direct consequences on test sensitivity and accuracy. The clinical utility of genetic testing is expected to increase progressively with improved theragnostics, which will be based on information about the efficacy and safety of the emerging drugs and future molecules. The aim of this study was to make recommendations for optimising and guiding the diagnostic genetic testing for somatic variants in patients with vascular malformations.Results Physicians and lab specialists from 11 multidisciplinary European centres for vascular anomalies reviewed the genes identified to date as being involved in non-hereditary vascular malformations, evaluated gene-disease associations, and made recommendations about the technical aspects for identification of low-level mosaicism and variant interpretation. A core list of 24 genes were selected based on the current practices in the participating laboratories, the ISSVA classification and the literature. In total 45 gene-phenotype associations were evaluated: 16 were considered definitive, 16 strong, 3 moderate, 7 limited and 3 with no evidence.Conclusions This work provides a detailed evidence-based view of the gene-disease associations in the field of vascular malformations caused by somatic variants. Knowing both the gene-phenotype relationships and the strength of the associations greatly help laboratories in data interpretation and eventually in the clinical diagnosis. This study reflects the state of knowledge as of mid-2023 and will be regularly updated on the VASCERN-VASCA website (VASCERN-VASCA, https://vascern.eu/groupe/vascular-anomalies/).
Filiaciones:
Revencu N:
Center for Human Genetics, Cliniques universitaires Saint-Luc, University of Louvain, VASCERN VASCA European Reference Centre, Brussels, Belgium
Eijkelenboom A:
Department of Pathology, Radboud University Medical Center, VASCERN VASCA European Reference Centre, PO Box 9101, 6500, HB, Nijmegen, the Netherlands
Bracquemart C:
Normandie Univ, UNICAEN, Service de Génétique, CHU Caen Normandie, BIOTARGEN EA 7450, VASCERN VASCA European Reference Centre, Caen, 14000, France
Alhopuro P:
HUS Diagnostic Center, Laboratory of Genetics, University of Helsinki and Helsinki University Hospital, VASCERN VASCA European Reference Centre, Helsinki, Finland
Armstrong-Moron J:
Institut de Recerca Sant Joan de Déu, Esplugues de Llobregat, CIBER-ER (Biomedical Network Research Center for Rare Diseases), Instituto de Salud Carlos III (ISCIII), Madrid, and Genomic Unit, Molecular and Genetic Medicine Section, Hospital Sant Joan de Déu, VASCERN VASCA European Reference Centre, Barcelona, Spain
Baselga E:
Department of Dermatology, Hospital Sant Joan de Deu, VASCERN VASCA European Reference Centre, Barcelona, Spain
Cesario C:
Laboratory of Medical Genetics, Translational Cytogenomics Research Unit, Bambino Gesù Children Hospital and Research Institute, IRCCS, VASCERN VASCA European Reference Centre, Rome, Italy
Dentici ML:
Medical Genetics Unit, Bambino Gesù Children's Hospital, IRCCS, VASCERN VASCA European Reference Centre, 00165, Rome, Italy
Eyries M:
Sorbonne Université, Département de Génétique, Assistance Publique-Hôpitaux de Paris, Hôpital Pitié-Salpêtrière, VASCERN VASCA European Reference Centre, Paris, France
Frisk S:
Department of Molecular Medicine and Surgery, Karolinska Institutet and Department of Clinical Genetics, Karolinska University Hospital, VASCERN VASCA European Reference Centre, Stockholm, Sweden
Karstensen HG:
Department of Genetics, Center of Diagnostics, Copenhagen University Hospital - Rigshospitalet, VASCERN VASCA European Reference Centre, Copenhagen, Denmark
Gene-Olaciregui N:
Laboratory of Molecular Oncology, Pediatric Cancer Center Barcelona, Hospital Sant Joan de Déu, VASCERN VASCA European Reference Centre, Barcelona, Spain
Kivirikko S:
Department of Clinical Genetics, HUS Diagnostic Center, University of Helsinki and Helsinki University Hospital, VASCERN VASCA European Reference Centre, Helsinki, Finland
Lavarino C:
Laboratory of Molecular Oncology, Pediatric Cancer Center Barcelona, Hospital Sant Joan de Déu, VASCERN VASCA European Reference Centre, Barcelona, Spain
Mero IL:
Department of Medical Genetics, Oslo University Hospital, VASCERN VASCA European Reference Centre, Oslo, Norway
Michiels R:
Center for Human Genetics, Cliniques universitaires Saint-Luc, University of Louvain, VASCERN VASCA European Reference Centre, Brussels, Belgium
Pisaneschi E:
Laboratory of Medical Genetics, Translational Cytogenomics Research Unit, Bambino Gesù Children Hospital and Research Institute, IRCCS, VASCERN VASCA European Reference Centre, Rome, Italy
Schönewolf-Greulich B:
Department of Genetics, Center of Diagnostics, Copenhagen University Hospital - Rigshospitalet, VASCERN VASCA European Reference Centre, Copenhagen, Denmark
Wieland I:
Institute of Human Genetics, University Hospital Otto-Von-Guericke-University, Magdeburg, Germany
Zenker M:
Institute of Human Genetics, University Hospital Otto-Von-Guericke-University, Magdeburg, Germany
Vikkula M:
Center for Vascular Anomalies, Cliniques Universitaires Saint-Luc, Brussels, Belgium
Human Molecular Genetics , de Duve Institute, University of Louvain, VASCERN VASCA European Reference Centre, Brussels, Belgium
WELBIO Department, WEL Research Institute, Avenue Pasteur, 6, 1300, Wavre, Belgium
Green Submitted, gold
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