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Steyaert, W.* ; Sagath, L.* ; Demidov, G.* ; Yépez, V.A.* ; Esteve-Codina, A.* ; Gagneur, J. ; Ellwanger, K.* ; Derks, R.* ; Weiss, M.C.* ; den Ouden, A.* ; van den Heuvel, S.* ; Swinkels, H.* ; Zomer, N.* ; Steehouwer, M.* ; O'Gorman, L.* ; Astuti, G.* ; Neveling, K.* ; Schüle, R.* ; Xu, J.* ; Synofzik, M.* ; Beijer, D.* ; Hengel, H.* ; Schöls, L.* ; Claeys, K.G.* ; Baets, J.* ; Van de Vondel, L.* ; Ferlini, A.* ; Selvatici, R.* ; Morsy, H.* ; Saeed Abd Elmaksoud, M.* ; Straub, V.* ; Müller, J.* ; Pini, V.* ; Perry, L.* ; Sarkozy, A.* ; Zaharieva, I.* ; Muntoni, F.* ; Bugiardini, E.* ; Polavarapu, K.* ; Horvath, R.* ; Reid, E.* ; Lochmüller, H.* ; Spinazzi, M.* ; Savarese, M.* ; Matalonga, L.* ; Laurie, S.* ; Brunner, H.G.* ; Graessner, H.* ; Beltran, S.* ; Ossowski, S.* ; Vissers, L.E.L.M.* ; Gilissen, C.* ; Hoischen, A.*

Unraveling undiagnosed rare disease cases by HiFi long-read genome sequencing.

Genome Res. 35, 755-768 (2025)
Verlagsversion DOI PMC
Open Access Hybrid
Creative Commons Lizenzvertrag
Solve-RD is a pan-European rare disease (RD) research program that aims to identify disease-causing genetic variants in previously undiagnosed RD families. We utilized 10-fold coverage HiFi long-read sequencing (LRS) for detecting causative structural variants (SVs), single-nucleotide variants (SNVs), insertion-deletions (indels), and short tandem repeat (STR) expansions in previously studied RD families without a clear molecular diagnosis. Our cohort includes 293 individuals from 114 genetically undiagnosed RD families selected by European Reference Network (ERN) experts. Of these, 21 families were affected by so-called "unsolvable" syndromes for which genetic causes remain unknown and for which prior testing was not a prerequisite. The remaining 93 families had at least one individual affected by a rare neurological, neuromuscular, or epilepsy disorder without a genetic diagnosis despite extensive prior testing. Clinical interpretation and orthogonal validation of variants in known disease genes yielded 12 novel genetic diagnoses due to de novo and rare inherited SNVs, indels, SVs, and STR expansions. In an additional five families, we identified a candidate disease-causing variant, including an MCF2/FGF13 fusion and a PSMA3 deletion. However, no common genetic cause was identified in any of the "unsolvable" syndromes. Taken together, we found (likely) disease-causing genetic variants in 11.8% of previously unsolved families and additional candidate disease-causing SVs in another 5.4% of these families. In conclusion, our results demonstrate the potential added value of HiFi long-read genome sequencing in undiagnosed rare diseases.
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Publikationstyp Artikel: Journalartikel
Dokumenttyp Wissenschaftlicher Artikel
Sprache englisch
Veröffentlichungsjahr 2025
HGF-Berichtsjahr 2025
ISSN (print) / ISBN 1088-9051
e-ISSN 1549-5469
Zeitschrift Genome Research
Quellenangaben Band: 35, Heft: 4, Seiten: 755-768 Artikelnummer: , Supplement: ,
Verlag Cold Spring Harbor Laboratory Press
Begutachtungsstatus Peer reviewed
Institut(e) Institute of Computational Biology (ICB)
POF Topic(s) 30205 - Bioengineering and Digital Health
Forschungsfeld(er) Enabling and Novel Technologies
PSP-Element(e) G-503800-001
DOI 10.1101/gr.279414.124
Scopus ID 105002770945
PubMed ID 40138663
Erfassungsdatum 2025-05-09
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