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Wong HH, Seet SH, Maier M, Gurel A, Traspas RM, Lee C, Zhang S, Talim B, Loh AYT, Chia CY, Teoh TS, Sng D, Rensvold J, Unal S, Shishkova E, Cepni E, Nathan FM, Sirota FL, Liang C, Yarali N, Simsek-Kiper PO, Mitani T, Ceylaner S, Arman-Bilir O, Mbarek H, Gumruk F, Efthymiou S, Uğurlu Çi Men D, Georgiadou D, Sotiropoulou K, Houlden H, Paul F, Pehlivan D, Lainé C, Chai G, Ali NA, Choo SC, Keng SS, Boisson B, Yılmaz E, Xue S, Coon JJ, Ly TTN, Gilani N, Hasbini D, Kayserili H, Zaki MS, Isfort RJ, Ordonez N, Tripolszki K, Bauer P, Rezaei N, Seyedpour S, Khotaei GT, Bascom CC, Maroofian R, Chaabouni M, Alsubhi A, Eyaid W, Işıkay S, Gleeson JG, Lupski JR, Casanova JL, Pagliarini DJ, Akarsu NA, Maurer-Stroh S, Cetinkaya A, Bertoli-Avella A, Mathuru AS, Ho L, Bard FA, Reversade B. Loss of C2orf69 defines a fatal autoinflammatory syndrome in humans and zebrafish that evokes a glycogen-storage-associated mitochondriopathy. Am J Hum Genet 2021; 108:1301-1317. [PMID: 34038740 PMCID: PMC8322802 DOI: 10.1016/j.ajhg.2021.05.003] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2021] [Accepted: 05/07/2021] [Indexed: 12/20/2022] Open
Abstract
Human C2orf69 is an evolutionarily conserved gene whose function is unknown. Here, we report eight unrelated families from which 20 children presented with a fatal syndrome consisting of severe autoinflammation and progredient leukoencephalopathy with recurrent seizures; 12 of these subjects, whose DNA was available, segregated homozygous loss-of-function C2orf69 variants. C2ORF69 bears homology to esterase enzymes, and orthologs can be found in most eukaryotic genomes, including that of unicellular phytoplankton. We found that endogenous C2ORF69 (1) is loosely bound to mitochondria, (2) affects mitochondrial membrane potential and oxidative respiration in cultured neurons, and (3) controls the levels of the glycogen branching enzyme 1 (GBE1) consistent with a glycogen-storage-associated mitochondriopathy. We show that CRISPR-Cas9-mediated inactivation of zebrafish C2orf69 results in lethality by 8 months of age due to spontaneous epileptic seizures, which is preceded by persistent brain inflammation. Collectively, our results delineate an autoinflammatory Mendelian disorder of C2orf69 deficiency that disrupts the development/homeostasis of the immune and central nervous systems.
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Affiliation(s)
- Hui Hui Wong
- Institute of Molecular and Cell Biology, A(∗)STAR, Biopolis, Singapore 138673, Singapore
| | - Sze Hwee Seet
- Institute of Molecular and Cell Biology, A(∗)STAR, Biopolis, Singapore 138673, Singapore
| | - Michael Maier
- Laboratory of Human Genetics & Therapeutics, Genome Institute of Singapore, A(∗)STAR, Biopolis, Singapore 138672, Singapore
| | - Ayse Gurel
- Department of Medical Genetics, Faculty of Medicine, Hacettepe University, Ankara 06230, Turkey
| | - Ricardo Moreno Traspas
- Laboratory of Human Genetics & Therapeutics, Genome Institute of Singapore, A(∗)STAR, Biopolis, Singapore 138672, Singapore
| | - Cheryl Lee
- Institute of Molecular and Cell Biology, A(∗)STAR, Biopolis, Singapore 138673, Singapore; Cardiovascular and Metabolic Diseases, Duke-NUS Medical School, Singapore 169857, Singapore
| | - Shan Zhang
- Department of Medical Genetics, Faculty of Medicine, Hacettepe University, Ankara 06230, Turkey
| | - Beril Talim
- Pediatric Pathology Unit, Department of Pediatrics, Faculty of Medicine, Hacettepe University, Ankara 06230, Turkey
| | - Abigail Y T Loh
- Institute of Molecular and Cell Biology, A(∗)STAR, Biopolis, Singapore 138673, Singapore
| | - Crystal Y Chia
- Laboratory of Human Genetics & Therapeutics, Genome Institute of Singapore, A(∗)STAR, Biopolis, Singapore 138672, Singapore
| | - Tze Shin Teoh
- Laboratory of Human Genetics & Therapeutics, Genome Institute of Singapore, A(∗)STAR, Biopolis, Singapore 138672, Singapore
| | - Danielle Sng
- Laboratory of Human Genetics & Therapeutics, Genome Institute of Singapore, A(∗)STAR, Biopolis, Singapore 138672, Singapore
| | - Jarred Rensvold
- Department of Cell Biology and Physiology, Washington University School of Medicine, St. Louis, MO 63110, USA; Morgridge Institute for Research, Madison, WI 53715, USA
| | - Sule Unal
- Pediatric Hematology Unit, Department of Pediatrics, Faculty of Medicine, Hacettepe University, Ankara 06230, Turkey; Research Center of Fanconi Anemia and Other Inherited Bone Marrow Failure Syndromes, Hacettepe University, Ankara 06230, Turkey
| | - Evgenia Shishkova
- National Center for Quantitative Biology of Complex Systems, Madison, WI 53562, USA; Department of Biomolecular Chemistry, University of Wisconsin-Madison, Madison, WI 53562, USA
| | - Ece Cepni
- Institute of Health Sciences, Koç University, 34010 Istanbul, Turkey
| | - Fatima M Nathan
- Yale-NUS College, 12 College Avenue West, Singapore 138610, Singapore
| | - Fernanda L Sirota
- Bioinformatics Institute, A(∗)STAR, Biopolis, Singapore 138671, Singapore
| | - Chao Liang
- Department of Medical Genetics, Faculty of Medicine, Hacettepe University, Ankara 06230, Turkey
| | - Nese Yarali
- Ankara Child Health and Diseases Hematology Oncology Training and Research Hospital, Ankara 06110, Turkey
| | - Pelin O Simsek-Kiper
- Pediatric Genetics Unit, Department of Pediatrics, Faculty of Medicine, Hacettepe University, Ankara 06230, Turkey
| | - Tadahiro Mitani
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, TX 77030, USA
| | | | - Ozlem Arman-Bilir
- Ankara Child Health and Diseases Hematology Oncology Training and Research Hospital, Ankara 06110, Turkey
| | - Hamdi Mbarek
- Qatar Genome Program, Qatar Foundation Research, Development and Innovation, Qatar Foundation, Doha, Qatar
| | - Fatma Gumruk
- Pediatric Hematology Unit, Department of Pediatrics, Faculty of Medicine, Hacettepe University, Ankara 06230, Turkey; Research Center of Fanconi Anemia and Other Inherited Bone Marrow Failure Syndromes, Hacettepe University, Ankara 06230, Turkey
| | - Stephanie Efthymiou
- Molecular and Clinical Sciences Institute, St. George's University of London, Cranmer Terrace, London SW17 0RE, UK
| | - Deniz Uğurlu Çi Men
- Medical Genetics Department, Koç University School of Medicine, 34010 Istanbul, Turkey
| | - Danai Georgiadou
- Laboratory of Human Genetics & Therapeutics, Genome Institute of Singapore, A(∗)STAR, Biopolis, Singapore 138672, Singapore
| | - Kortessa Sotiropoulou
- Institute of Molecular and Cell Biology, A(∗)STAR, Biopolis, Singapore 138673, Singapore
| | - Henry Houlden
- Department of Neuromuscular Diseases, UCL Queen Square Institute of Neurology, Queen Square, London WC1N 3BG, UK
| | - Franziska Paul
- Institute of Molecular and Cell Biology, A(∗)STAR, Biopolis, Singapore 138673, Singapore
| | - Davut Pehlivan
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, TX 77030, USA; Department of Pediatrics, Baylor College of Medicine, Houston, TX 77030, USA; Texas Children's Hospital, Houston, TX 77030, USA
| | - Candice Lainé
- Paris University, Imagine Institute, Paris 75015, France; Laboratory of Human Genetics of Infectious Disease, Necker Branch, INSERM U1163, Paris, France
| | - Guoliang Chai
- Rady Children's Institute for Genomic Medicine, San Diego, CA 92123, USA; Department of Neurosciences, University of California, San Diego, La Jolla, CA 92093, USA
| | - Nur Ain Ali
- Laboratory of Human Genetics & Therapeutics, Genome Institute of Singapore, A(∗)STAR, Biopolis, Singapore 138672, Singapore
| | - Siew Chin Choo
- Laboratory of Human Genetics & Therapeutics, Genome Institute of Singapore, A(∗)STAR, Biopolis, Singapore 138672, Singapore
| | - Soh Sok Keng
- Institute of Molecular and Cell Biology, A(∗)STAR, Biopolis, Singapore 138673, Singapore
| | - Bertrand Boisson
- Paris University, Imagine Institute, Paris 75015, France; Laboratory of Human Genetics of Infectious Disease, Necker Branch, INSERM U1163, Paris, France; St. Giles Laboratory of Human Genetics of Infectious Diseases, Rockefeller Branch, The Rockefeller University, New York, NY 10065, USA
| | - Elanur Yılmaz
- Medical Genetics Department, Koç University School of Medicine, 34010 Istanbul, Turkey
| | - Shifeng Xue
- Institute of Molecular and Cell Biology, A(∗)STAR, Biopolis, Singapore 138673, Singapore; Department of Biological Sciences, National University of Singapore, Singapore 117558, Singapore
| | - Joshua J Coon
- Morgridge Institute for Research, Madison, WI 53715, USA; National Center for Quantitative Biology of Complex Systems, Madison, WI 53562, USA; Department of Biomolecular Chemistry, University of Wisconsin-Madison, Madison, WI 53562, USA; Department of Chemistry, University of Wisconsin-Madison, Madison, WI 53562, USA
| | - Thanh Thao Nguyen Ly
- Institute of Molecular and Cell Biology, A(∗)STAR, Biopolis, Singapore 138673, Singapore; Department of Biological Sciences, National University of Singapore, Singapore 117558, Singapore
| | | | - Dana Hasbini
- Chief Division Pediatric Neurology, Department of Pediatrics, Rafic Hariri University Hospital, Beirut, Lebanon
| | - Hulya Kayserili
- Medical Genetics Department, Koç University School of Medicine, 34010 Istanbul, Turkey
| | - Maha S Zaki
- Clinical Genetics Department, National Research Centre, Cairo 12622, Egypt
| | - Robert J Isfort
- Corporate Research, The Procter and Gamble Company, Cincinnati, OH 45040, USA
| | | | | | - Peter Bauer
- Genomic Research, CENTOGENE GmbH, 18055 Rostock, Germany
| | - Nima Rezaei
- Research Center for Immunodeficiencies, Children's Medical Center, Tehran University of Medical Sciences, Tehran 14194, Iran; Network of Immunity in Infection, Malignancy and Autoimmunity, Universal Scientific Education and Research Network, Tehran 14197, Iran
| | - Simin Seyedpour
- Laboratoire d'analyses spécialisé en Génétique, Tunis 1082, Tunisia
| | - Ghamar Taj Khotaei
- Department of Pediatric Infectious Diseases, Children's Medical Center, Tehran University of Medical Sciences, Tehran 14194, Iran
| | - Charles C Bascom
- Corporate Research, The Procter and Gamble Company, Cincinnati, OH 45040, USA
| | - Reza Maroofian
- Molecular and Clinical Sciences Institute, St. George's University of London, Cranmer Terrace, London SW17 0RE, UK
| | - Myriam Chaabouni
- Laboratoire d'analyses spécialisé en Génétique, Tunis 1082, Tunisia
| | - Afaf Alsubhi
- Division of Genetics, Department of Pediatrics, King Abdullah Specialized Children Hospital, King Abdulaziz Medical City, MNGHA, Riyadh 14611, Saudi Arabia; King Abdullah International Medical Research Center, King Saud bin Abdulaziz University for Health Sciences, MNGHA, Riyadh 11481, Saudi Arabia
| | - Wafaa Eyaid
- Division of Genetics, Department of Pediatrics, King Abdullah Specialized Children Hospital, King Abdulaziz Medical City, MNGHA, Riyadh 14611, Saudi Arabia; King Abdullah International Medical Research Center, King Saud bin Abdulaziz University for Health Sciences, MNGHA, Riyadh 11481, Saudi Arabia
| | - Sedat Işıkay
- Department of Pediatrics, Division of Neurology, University of Gaziantep, School of Medicine, Gaziantep 27310, Turkey
| | - Joseph G Gleeson
- Rady Children's Institute for Genomic Medicine, San Diego, CA 92123, USA; Department of Neurosciences, University of California, San Diego, La Jolla, CA 92093, USA
| | - James R Lupski
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, TX 77030, USA; Department of Pediatrics, Baylor College of Medicine, Houston, TX 77030, USA; Texas Children's Hospital, Houston, TX 77030, USA; Human Genome Sequencing Center, Baylor College of Medicine, Houston, TX 77030, USA
| | - Jean-Laurent Casanova
- Paris University, Imagine Institute, Paris 75015, France; Laboratory of Human Genetics of Infectious Disease, Necker Branch, INSERM U1163, Paris, France; St. Giles Laboratory of Human Genetics of Infectious Diseases, Rockefeller Branch, The Rockefeller University, New York, NY 10065, USA; Pediatric Immunology-Hematology Unit, Assistance Publique-Hôpitaux de Paris, Necker Hospital for Sick Children, Paris 75015, France; Howard Hughes Medical Institute, New York, NY 10065, USA
| | - David J Pagliarini
- Department of Cell Biology and Physiology, Washington University School of Medicine, St. Louis, MO 63110, USA; Morgridge Institute for Research, Madison, WI 53715, USA; National Center for Quantitative Biology of Complex Systems, Madison, WI 53562, USA; Department of Biochemistry and Molecular Biophysics, Washington University School of Medicine, St. Louis, MO 63110, USA; Department of Genetics, Washington University School of Medicine, St. Louis, MO 63110, USA; Department of Biochemistry, University of Wisconsin-Madison, Madison, WI 53706, USA
| | - Nurten A Akarsu
- Department of Medical Genetics, Faculty of Medicine, Hacettepe University, Ankara 06230, Turkey
| | | | - Arda Cetinkaya
- Department of Medical Genetics, Faculty of Medicine, Hacettepe University, Ankara 06230, Turkey
| | | | - Ajay S Mathuru
- Institute of Molecular and Cell Biology, A(∗)STAR, Biopolis, Singapore 138673, Singapore; Yale-NUS College, 12 College Avenue West, Singapore 138610, Singapore; Department of Physiology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 117593, Singapore
| | - Lena Ho
- Institute of Molecular and Cell Biology, A(∗)STAR, Biopolis, Singapore 138673, Singapore; Cardiovascular and Metabolic Diseases, Duke-NUS Medical School, Singapore 169857, Singapore
| | - Frederic A Bard
- Institute of Molecular and Cell Biology, A(∗)STAR, Biopolis, Singapore 138673, Singapore.
| | - Bruno Reversade
- Institute of Molecular and Cell Biology, A(∗)STAR, Biopolis, Singapore 138673, Singapore; Laboratory of Human Genetics & Therapeutics, Genome Institute of Singapore, A(∗)STAR, Biopolis, Singapore 138672, Singapore; Medical Genetics Department, Koç University School of Medicine, 34010 Istanbul, Turkey; Department of Paediatrics, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 119228, Singapore.
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