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Your search keyword '"C.E.H. Craig"' showing total 2 results
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2 results on '"C.E.H. Craig"'

1. Identification of 4 novel human ocular coloboma genes ANK3, BMPR1B, PDGFRA, and CDH4 through evolutionary conserved vertebrate gene analysis

Author

Nicholas Owen, Maria Toms, Rodrigo M. Young, Jonathan Eintracht, Hajrah Sarkar, Brian P. Brooks, Mariya Moosajee, J.C. Ambrose, E.L. Baple, M. Bleda, F. Boardman-Pretty, J.M. Boissiere, C.R. Boustred, M.J. Caulfield, G.C. Chan, C.E.H. Craig, L.C. Daugherty, Burca A. de, A. Devereau, G. Elgar, R.E. Foulger, T. Fowler, P. Furió-Tarí, J.M. Hackett, D. Halai, J.E. Holman, T.J.P. Hubbard, R. Jackson, 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, and M. Zarowiecki

Subjects
Ankyrins, Coloboma, Mice, Phenotype, Animals, Humans, Microphthalmos, Genetic Testing, Bone Morphogenetic Protein Receptors, Type I, Zebrafish, Genetics (clinical)
Abstract

Ocular coloboma arises from genetic or environmental perturbations that inhibit optic fissure (OF) fusion during early eye development. Despite high genetic heterogeneity, 70% to 85% of patients remain molecularly undiagnosed. In this study, we have identified new potential causative genes using cross-species comparative meta-analysis.Evolutionarily conserved differentially expressed genes were identified through in silico analysis, with in situ hybridization, gene knockdown, and rescue performed to confirm spatiotemporal gene expression and phenotype. Interrogation of the 100,000 Genomes Project for putative pathogenic variants was performed.Nine conserved differentially expressed genes between zebrafish and mouse were identified. Expression of zebrafish ank3a, bmpr1ba/b, cdh4, and pdgfaa was localized to the OF, periocular mesenchyme cells, or ciliary marginal zone, regions traversed by the OF. Knockdown of ank3, bmpr1b, and pdgfaa revealed a coloboma and/or microphthalmia phenotype. Novel pathogenic variants in ANK3, BMPR1B, PDGFRA, and CDH4 were identified in 8 unrelated coloboma families. We showed BMPR1B rescued the knockdown phenotype but variant messenger RNAs failed, providing evidence of pathogenicity.We show the utility of cross-species meta-analysis to identify several novel coloboma disease-causing genes. There is a potential to increase the diagnostic yield for new and unsolved patients while adding to our understanding of the genetic basis of OF morphogenesis.

Published
2022

2. Expanding SPTAN1 monoallelic variant associated disorders: From epileptic encephalopathy to pure spastic paraplegia and ataxia

Author

Heba Morsy, Mehdi Benkirane, Elisa Cali, Clarissa Rocca, Kristina Zhelcheska, Valentina Cipriani, Evangelia Galanaki, Reza Maroofian, Stephanie Efthymiou, David Murphy, Mary O’Driscoll, Mohnish Suri, Siddharth Banka, Jill Clayton-Smith, Thomas Wright, Melody Redman, Jennifer A. Bassetti, Mathilde Nizon, Benjamin Cogne, Rami Abu Jamra, Tobias Bartolomaeus, Marion Heruth, Ilona Krey, Janina Gburek-Augustat, Dagmar Wieczorek, Felix Gattermann, Meriel Mcentagart, Alice Goldenberg, Lucie Guyant-Marechal, Hector Garcia-Moreno, Paola Giunti, Brigitte Chabrol, Severine Bacrot, Roger Buissonnière, Virginie Magry, Vykuntaraju K. Gowda, Varunvenkat M. Srinivasan, Béla Melegh, András Szabó, Katalin Sümegi, Mireille Cossée, Monica Ziff, Russell Butterfield, David Hunt, Georgina Bird-Lieberman, Michael Hanna, Michel Koenig, Michael Stankewich, Jana Vandrovcova, Henry Houlden, 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, UCL, Institute of Neurology [London], Physiologie & médecine expérimentale du Cœur et des Muscles [U 1046] (PhyMedExp), Institut National de la Santé et de la Recherche Médicale (INSERM)-Centre National de la Recherche Scientifique (CNRS)-Université de Montpellier (UM), Centre Hospitalier Régional Universitaire [Montpellier] (CHRU Montpellier), William Harvey Research Institute, Barts and the London Medical School, Birmingham Women’s and Children’s Hospitals NHS Foundation Trust, Nottingham Clinical Genetics Service, Nottingham University Hospitals NHS Trust, Manchester Centre for Genomic Medicine [Manchester, UK] (MCGM), St Mary's Hospital Manchester-Manchester Academic Health Science Centre (MAHSC), University of Manchester [Manchester]-University of Manchester [Manchester]-Manchester University NHS Foundation Trust (MFT)-Faculty of Biology, Medicine and Health [Manchester, UK], University of Manchester [Manchester], Manchester University NHS Foundation Trust (MFT), Chapel Allerton Hospital, Leeds Teaching Hospitals NHS Trust, Weill Cornell Medicine [New York], unité de recherche de l'institut du thorax UMR1087 UMR6291 (ITX), Institut National de la Santé et de la Recherche Médicale (INSERM)-Centre National de la Recherche Scientifique (CNRS)-Nantes Université - UFR de Médecine et des Techniques Médicales (Nantes Univ - UFR MEDECINE), Nantes Université - pôle Santé, Nantes Université (Nantes Univ)-Nantes Université (Nantes Univ)-Nantes Université - pôle Santé, Nantes Université (Nantes Univ)-Nantes Université (Nantes Univ), University Hospital Leipzig, University Hospital Düsseldorf, St George’s University Hospitals, Département de génétique [CHU Rouen] (Centre Normandie de Génomique et de Médecine Personnalisée), CHU Rouen, Normandie Université (NU)-Normandie Université (NU), Service de pédiatrie et neurologie pédiatrique, Université de la Méditerranée - Aix-Marseille 2-Assistance Publique - Hôpitaux de Marseille (APHM)- Hôpital de la Timone [CHU - APHM] (TIMONE), University College London Hospitals NHS Foundation Trust [London, UK] (UCLH), Centre Hospitalier de Versailles André Mignot (CHV), Unité de génétique médicale et oncogénétique [CHU Amiens Picardie], CHU Amiens-Picardie, Auteur indépendant, University of Pécs Medical School (UP MS), University of Pecs, Great Ormond Street Hospital for Children NHS Foundation Trust [London, UK] (GOSHC), University of Utah School of Medicine [Salt Lake City], Princess Anne Hospital [Southampton, UK] (PAH), University of Southampton, University Hospital Southampton NHS Foundation Trust, Department of Pathology [Yale], Yale School of Medicine [New Haven, Connecticut] (YSM), H.M., J.V., and H.H. are supported by an Medical Research Council strategic award, MR/S005021/1, to establish International Centre for Genomic Medicine in Neuromuscular Diseases. H.M. is supported by Wellcome Trust grant 220906/Z/20/Z. H.H. is funded by the Medical Research Council (MR/S01165X/1, MR/S005021/1, G0601943), NIHR University College London Hospitals Biomedical Research Centre, Rosetree Trust UK, Ataxia UK, Multiple System Atrophy Trust, Brain Research UK, Sparks GOSH Charity, Muscular Dystrophy UK, and Multiple System Atrophy Trust. R.But. is supported by the Penelope Rare and Undiagnosed Disease Program at the University of Utah with funding from the Center for Genomic Medicine and with support from Matt Velinder (Department of Human Genetics, University of Utah) and Rong Mao and Pinar Bayrak-Toydemir (ARUP Laboratories). B.M. is supported by NKFIH K138669. This research was made possible through access to the data and findings generated by the 100,000 Genomes Project. The 100,000 Genomes Project is managed by Genomics England Limited (a wholly owned company of the Department of Health and Social Care). The 100,000 Genomes Project is funded by the National Institute for Health and Care Research and NHS England. The Wellcome Trust, Cancer Research UK, and the Medical Research Council have also funded the research infrastructure. The 100,000 Genomes Project uses data provided by patients and collected by the National Health Service as part of their care and support. This study makes use of data generated by the DatabasE of genomiC varIation and Phenotype in Humans using Ensembl Resources (DECIPHER) community. A full list of centers which contributed to the generation of the data is available at https://deciphergenomics.org/about/stats and via email from contact@deciphergenomics.org. Funding for the DECIPHER project was provided by Wellcome. We are thankful to the Deciphering Developmental Disorders Study for the invaluable collaboration. The Deciphering Developmental Disorders Study (Cambridge South Research Ethics Committee approval 10/H0305/83 and the Republic of Ireland Research Ethics Committee GEN/284/12) presents independent research commissioned by the Health Innovation Challenge Fund (grant number HICF-1009-003), a parallel funding partnership between the Wellcome Trust and Department of Health and the Wellcome Trust Sanger Institute (grant number WT098051), MORNET, Dominique, Nottingham University Hospitals NHS Trust (NUH), Weill Cornell Medicine [Cornell University], and Cornell University [New York]

Subjects
[SDV] Life Sciences [q-bio], Developmental delay, [SDV]Life Sciences [q-bio], Hereditary spastic paraplegia, Genetics (clinical), Hereditary ataxia, SPTAN1, Developmental epileptic encephalopathy
Abstract

On behalf of Queen Square Genomics On behalf of Genomics England Research Consortium; International audience; Purpose: Nonerythrocytic αII-spectrin (SPTAN1) variants have been previously associated with intellectual disability and epilepsy. We conducted this study to delineate the phenotypic spectrum of SPTAN1 variants.Methods: We carried out SPTAN1 gene enrichment analysis in the rare disease component of the 100,000 Genomes Project and screened 100,000 Genomes Project, DECIPHER database, and GeneMatcher to identify individuals with SPTAN1 variants. Functional studies were performed on fibroblasts from 2 patients.Results: Statistically significant enrichment of rare (minor allele frequency < 1 × 10-5) probably damaging SPTAN1 variants was identified in families with hereditary ataxia (HA) or hereditary spastic paraplegia (HSP) (12/1142 cases vs 52/23,847 controls, p = 2.8 × 10-5). We identified 31 individuals carrying SPTAN1 heterozygous variants or deletions. A total of 10 patients presented with pure or complex HSP/HA. The remaining 21 patients had developmental delay and seizures. Irregular αII-spectrin aggregation was noted in fibroblasts derived from 2 patients with p.(Arg19Trp) and p.(Glu2207del) variants.Conclusion: We found that SPTAN1 is a genetic cause of neurodevelopmental disorder, which we classified into 3 distinct subgroups. The first comprises developmental epileptic encephalopathy. The second group exhibits milder phenotypes of developmental delay with or without seizures. The final group accounts for patients with pure or complex HSP/HA.

Published
2022

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