DYNC2H1 hypomorphic or retina-predominant variants cause nonsyndromic retinal degeneration
| العنوان: | DYNC2H1 hypomorphic or retina-predominant variants cause nonsyndromic retinal degeneration |
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| المؤلفون: | Anjali Vig, James A. Poulter, Daniele Ottaviani, Erika Tavares, Katerina Toropova, Anna Maria Tracewska, Antonio Mollica, Jasmine Kang, Oshini Kehelwathugoda, Tara Paton, Jason T. Maynes, Gabrielle Wheway, Gavin Arno, J.C. Ambrose, P. Arumugam, E.L. Baple, M. Bleda, F. Boardman-Pretty, J.M. Boissiere, C.R. Boustred, H. Brittain, M.J. Caulfield, G.C. Chan, C.E.H. Craig, L.C. Daugherty, A. de Burca, A. Devereau, G. Elgar, R.E. Foulger, T. Fowler, P. Furió-Tarí, J.M. Hackett, D. Halai, A. Hamblin, S. Henderson, J.E. Holman, T.J.P. Hubbard, K. Ibáñez, R. Jackson, L.J. Jones, D. Kasperaviciute, M. Kayikci, L. Lahnstein, K. Lawson, S.E.A. Leigh, I.U.S. Leong, F.J. Lopez, F. Maleady-Crowe, J. Mason, E.M. McDonagh, L. Moutsianas, M. Mueller, N. Murugaesu, A.C. Need, C.A. Odhams, C. Patch, D. Perez-Gil, D. Polychronopoulos, J. Pullinger, T. Rahim, A. Rendon, P. Riesgo-Ferreiro, T. Rogers, M. Ryten, K. Savage, K. Sawant, R.H. Scott, A. Siddiq, A. Sieghart, D. Smedley, K.R. Smith, A. Sosinsky, W. Spooner, H.E. Stevens, A. Stuckey, R. Sultana, E.R.A. Thomas, S.R. Thompson, C. Tregidgo, A. Tucci, E. Walsh, S.A. Watters, M.J. Welland, E. Williams, K. Witkowska, S.M. Wood, M. Zarowiecki, Kamron N. Khan, Martin McKibbin, Carmel Toomes, Manir Ali, Matteo Di Scipio, Shuning Li, Jamie Ellingford, Graeme Black, Andrew Webster, Małgorzata Rydzanicz, Piotr Stawiński, Rafał Płoski, Ajoy Vincent, Michael E. Cheetham, Chris F. Inglehearn, Anthony Roberts, Elise Heon |
| المصدر: | Genetics in Medicine |
| بيانات النشر: | Nature Publishing Group US, 2020. |
| سنة النشر: | 2020 |
| مصطلحات موضوعية: | 0301 basic medicine, Proband, Retinal degeneration, intraflagellar transport (IFT), Cytoplasmic Dyneins, Ellis-Van Creveld Syndrome, 030105 genetics & heredity, Biology, Article, Retina, 03 medical and health sciences, Exon, chemistry.chemical_compound, primary cilia, medicine, Organoid, Missense mutation, Humans, Induced pluripotent stem cell, Genetics (clinical), Exome sequencing, Retinal Degeneration, Retinal, Exons, DYNC2H1, medicine.disease, Molecular biology, retinitis pigmentosa (RP), Pedigree, inherited retinal disease (IRD), 030104 developmental biology, chemistry, Mutation |
| الوصف: | Purpose Determining the role of DYNC2H1 variants in nonsyndromic inherited retinal disease (IRD). Methods Genome and exome sequencing were performed for five unrelated cases of IRD with no identified variant. In vitro assays were developed to validate the variants identified (fibroblast assay, induced pluripotent stem cell [iPSC] derived retinal organoids, and a dynein motility assay). Results Four novel DYNC2H1 variants (V1, g.103327020_103327021dup; V2, g.103055779A>T; V3, g.103112272C>G; V4, g.103070104A>C) and one previously reported variant (V5, g.103339363T>G) were identified. In proband 1 (V1/V2), V1 was predicted to introduce a premature termination codon (PTC), whereas V2 disrupted the exon 41 splice donor site causing incomplete skipping of exon 41. V1 and V2 impaired dynein-2 motility in vitro and perturbed IFT88 distribution within cilia. V3, homozygous in probands 2–4, is predicted to cause a PTC in a retina-predominant transcript. Analysis of retinal organoids showed that this new transcript expression increased with organoid differentiation. V4, a novel missense variant, was in trans with V5, previously associated with Jeune asphyxiating thoracic dystrophy (JATD). Conclusion The DYNC2H1 variants discussed herein were either hypomorphic or affecting a retina-predominant transcript and caused nonsyndromic IRD. Dynein variants, specifically DYNC2H1 variants are reported as a cause of non syndromic IRD. |
| اللغة: | English |
| تدمد: | 1530-0366 1098-3600 |
| الوصول الحر: | https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9c0d1392a5b005c16762f6fc0adb770bTest http://europepmc.org/articles/PMC7708302Test |
| حقوق: | OPEN |
| رقم الانضمام: | edsair.doi.dedup.....9c0d1392a5b005c16762f6fc0adb770b |
| قاعدة البيانات: | OpenAIRE |
| تدمد: | 15300366 10983600 |
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