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Alfattal R, Alfarhan M, Algaith AM, Albash B, Elshafie RM, Alshammari A, Alahmad A, Dashti F, Alsafi R, Alsharhan H. LYRM7-associated mitochondrial complex III deficiency with non-cavitating leukoencephalopathy and stroke-like episodes. Am J Med Genet A 2023; 191:1401-1411. [PMID: 36757047 DOI: 10.1002/ajmg.a.63143] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2022] [Revised: 01/25/2023] [Accepted: 01/27/2023] [Indexed: 02/10/2023]
Abstract
Defects of respiratory chain complex III (CIII) result in characteristic but rare mitochondrial disorders associated with distinct neuroradiological findings. The underlying molecular defects affecting mitochondrial CIII assembly factors are few and yet to be identified. LYRM7 assembly factor is required for proper CIII assembly where it acts as a chaperone for the Rieske iron-sulfur (UQCRFS1) protein in the mitochondrial matrix and stabilizing it. We present here the seventeenth individual with LYRM7-associated mitochondrial leukoencephalopathy harboring a previously reported rare pathogenic homozygous LYRM 7 variant, c.2T>C, (p.Met1?). Like previously reported individuals, our 5-year-old male proband presented with recurrent metabolic and lactic acidosis, encephalopathy, and fatigue. Further, he has additional, previously unreported features, including an acute stroke like episode with bilateral central blindness and optic neuropathy, recurrent hyperglycemia and hypertension associated with metabolic crisis. However, he has no signs of psychomotor regression. He has been stable clinically with residual left-sided reduced visual acuity and amblyopia, and no more metabolic crises for 2-year-period while on the mitochondrial cocktail. Although the reported brain MRI findings in other affected individuals are homogenous, it is slightly different in our index, revealing evidence of bilateral almost symmetric multifocal periventricular T2 hyperintensities with hyperintensities of the optic nerves, optic chiasm, and corona radiata but with no cavitation or cystic changes. This report describes new clinical and radiological findings of LYRM7-associated disease. The report also summarizes the clinical and molecular data of previously reported individuals describing the full phenotypic spectrum.
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Affiliation(s)
- Rita Alfattal
- Department of Pediatrics, Al-Amiri Hospital, Ministry of Health, Kuwait
| | - Maryam Alfarhan
- Department of Pediatrics, Health Sciences Centre, Faculty of Medicine, Kuwait University, Safat, Kuwait
| | | | - Buthaina Albash
- Kuwait Medical Genetics Center, Ministry of Health, Sulaibikhat, Kuwait
| | - Reem M Elshafie
- Kuwait Medical Genetics Center, Ministry of Health, Sulaibikhat, Kuwait
| | - Asma Alshammari
- Kuwait Medical Genetics Center, Ministry of Health, Sulaibikhat, Kuwait
| | - Ahmad Alahmad
- Kuwait Medical Genetics Center, Ministry of Health, Sulaibikhat, Kuwait
| | - Fatima Dashti
- Department of Radiology, Ibn Sina Hospital, Ministry of Health, Safat, Kuwait
| | - Rasha Alsafi
- Department of Pediatrics, Adan Hospital, Ministry of Health, Hadiya, Kuwait
| | - Hind Alsharhan
- Department of Pediatrics, Health Sciences Centre, Faculty of Medicine, Kuwait University, Safat, Kuwait.,Kuwait Medical Genetics Center, Ministry of Health, Sulaibikhat, Kuwait.,Department of Pediatrics, Farwaniya Hospital, Ministry of Health, Sabah Al-Nasser, Kuwait.,Department of Genetic Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
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4
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Saida K, Maroofian R, Sengoku T, Mitani T, Pagnamenta AT, Marafi D, Zaki MS, O'Brien TJ, Karimiani EG, Kaiyrzhanov R, Takizawa M, Ohori S, Leong HY, Akay G, Galehdari H, Zamani M, Romy R, Carroll CJ, Toosi MB, Ashrafzadeh F, Imannezhad S, Malek H, Ahangari N, Tomoum H, Gowda VK, Srinivasan VM, Murphy D, Dominik N, Elbendary HM, Rafat K, Yilmaz S, Kanmaz S, Serin M, Krishnakumar D, Gardham A, Maw A, Rao TS, Alsubhi S, Srour M, Buhas D, Jewett T, Goldberg RE, Shamseldin H, Frengen E, Misceo D, Strømme P, Magliocco Ceroni JR, Kim CA, Yesil G, Sengenc E, Guler S, Hull M, Parnes M, Aktas D, Anlar B, Bayram Y, Pehlivan D, Posey JE, Alavi S, Madani Manshadi SA, Alzaidan H, Al-Owain M, Alabdi L, Abdulwahab F, Sekiguchi F, Hamanaka K, Fujita A, Uchiyama Y, Mizuguchi T, Miyatake S, Miyake N, Elshafie RM, Salayev K, Guliyeva U, Alkuraya FS, Gleeson JG, Monaghan KG, Langley KG, Yang H, Motavaf M, Safari S, Alipour M, Ogata K, Brown AEX, Lupski JR, Houlden H, Matsumoto N. Brain monoamine vesicular transport disease caused by homozygous SLC18A2 variants: A study in 42 affected individuals. Genet Med 2023; 25:90-102. [PMID: 36318270 DOI: 10.1016/j.gim.2022.09.010] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [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: 04/07/2022] [Revised: 09/15/2022] [Accepted: 09/17/2022] [Indexed: 11/09/2022] Open
Abstract
PURPOSE Brain monoamine vesicular transport disease is an infantile-onset movement disorder that mimics cerebral palsy. In 2013, the homozygous SLC18A2 variant, p.Pro387Leu, was first reported as a cause of this rare disorder, and dopamine agonists were efficient for treating affected individuals from a single large family. To date, only 6 variants have been reported. In this study, we evaluated genotype-phenotype correlations in individuals with biallelic SLC18A2 variants. METHODS A total of 42 affected individuals with homozygous SLC18A2 variant alleles were identified. We evaluated genotype-phenotype correlations and the missense variants in the affected individuals based on the structural modeling of rat VMAT2 encoded by Slc18a2, with cytoplasm- and lumen-facing conformations. A Caenorhabditis elegans model was created for functional studies. RESULTS A total of 19 homozygous SLC18A2 variants, including 3 recurrent variants, were identified using exome sequencing. The affected individuals typically showed global developmental delay, hypotonia, dystonia, oculogyric crisis, and autonomic nervous system involvement (temperature dysregulation/sweating, hypersalivation, and gastrointestinal dysmotility). Among the 58 affected individuals described to date, 16 (28%) died before the age of 13 years. Of the 17 patients with p.Pro237His, 9 died, whereas all 14 patients with p.Pro387Leu survived. Although a dopamine agonist mildly improved the disease symptoms in 18 of 21 patients (86%), some affected individuals with p.Ile43Phe and p.Pro387Leu showed milder phenotypes and presented prolonged survival even without treatment. The C. elegans model showed behavioral abnormalities. CONCLUSION These data expand the phenotypic and genotypic spectra of SLC18A2-related disorders.
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Affiliation(s)
- Ken Saida
- Department of Human Genetics, Yokohama City University Graduate School of Medicine, Yokohama, Japan
| | - Reza Maroofian
- Department of Neuromuscular Disorders, UCL Queen Square Institute of Neurology, University College London, London, United Kingdom
| | - Toru Sengoku
- Department of Biochemistry, Yokohama City University Graduate School of Medicine, Yokohama, Japan
| | - Tadahiro Mitani
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, TX
| | - Alistair T Pagnamenta
- NIHR Oxford Biomedical Research Centre, Wellcome Centre for Human Genetics, University of Oxford, Oxford, United Kingdom
| | - Dana Marafi
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, TX; Department of Pediatrics, Faculty of Medicine, Kuwait University, Safat, Kuwait
| | - Maha S Zaki
- Department of Clinical Genetics, Human Genetics and Genome Research Institute, National Research Centre, Cairo, Egypt
| | - Thomas J O'Brien
- MRC London Institute of Medical Sciences, London, United Kingdom; Faculty of Medicine, Institute of Clinical Sciences, Imperial College London, London, United Kingdom
| | - Ehsan Ghayoor Karimiani
- Molecular and Clinical Sciences Research Institute, St. George's, University of London, London, United Kingdom; Innovative Medical Research Center, Mashhad Branch, Islamic Azad University, Mashhad, Iran
| | - Rauan Kaiyrzhanov
- Department of Neuromuscular Disorders, UCL Queen Square Institute of Neurology, University College London, London, United Kingdom
| | - Marina Takizawa
- Department of Human Genetics, Yokohama City University Graduate School of Medicine, Yokohama, Japan
| | - Sachiko Ohori
- Department of Human Genetics, Yokohama City University Graduate School of Medicine, Yokohama, Japan
| | - Huey Yin Leong
- Genetics Department, Hospital Kuala Lumpur, Kuala Lumpur, Malaysia
| | - Gulsen Akay
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, TX
| | - Hamid Galehdari
- Department of Biology, Faculty of Science, Shahid Chamran University of Ahvaz, Ahvaz, Iran
| | - Mina Zamani
- Department of Biology, Faculty of Science, Shahid Chamran University of Ahvaz, Ahvaz, Iran
| | - Ratna Romy
- Molecular and Clinical Sciences Research Institute, St. George's, University of London, London, United Kingdom
| | - Christopher J Carroll
- Molecular and Clinical Sciences Research Institute, St. George's, University of London, London, United Kingdom
| | - Mehran Beiraghi Toosi
- Department of Pediatrics, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran; Neuroscience Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Farah Ashrafzadeh
- Department of Pediatrics, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Shima Imannezhad
- Department of Pediatric Neurology, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Hadis Malek
- Department of Medical Genetics, Next Generation Genetic Polyclinic, Mashhad, Iran
| | - Najmeh Ahangari
- Department of Medical Genetics, Next Generation Genetic Polyclinic, Mashhad, Iran
| | - Hoda Tomoum
- Department of Pediatrics, Ain Shams University, Cairo, Egypt
| | - Vykuntaraju K Gowda
- Department of Pediatric Neurology, Indira Gandhi Institute of Child Health, Bangalore, India
| | | | - David Murphy
- Department of Clinical and Movement Neurosciences, UCL Queen Square Institute of Neurology, University College London, London, United Kingdom
| | - Natalia Dominik
- Department of Neuromuscular Disorders, UCL Queen Square Institute of Neurology, University College London, London, United Kingdom
| | - Hasnaa M Elbendary
- Department of Clinical Genetics, Human Genetics and Genome Research Institute, National Research Centre, Cairo, Egypt
| | - Karima Rafat
- Department of Clinical Genetics, Human Genetics and Genome Research Institute, National Research Centre, Cairo, Egypt
| | - Sanem Yilmaz
- Division of Pediatric Neurology, Department of Pediatrics, Ege University Faculty of Medicine, Izmir, Turkey
| | - Seda Kanmaz
- Division of Pediatric Neurology, Department of Pediatrics, Ege University Faculty of Medicine, Izmir, Turkey
| | - Mine Serin
- Division of Pediatric Neurology, Department of Pediatrics, Ege University Faculty of Medicine, Izmir, Turkey
| | - Deepa Krishnakumar
- North West Thames Regional Genetics Service, Northwick Park Hospital, London, United Kingdom
| | - Alice Gardham
- North West Thames Regional Genetics Service, Northwick Park Hospital, London, United Kingdom
| | - Anna Maw
- Department of Paediatric Neurology, Cambridge University Hospitals NHS Foundation Trust, Cambridge, United Kingdom
| | - Tekki Sreenivasa Rao
- Department of Paediatrics, Luton and Dunstable University Hospital, Luton, United Kingdom
| | - Sarah Alsubhi
- Division of Pediatric Neurology, Departments of Pediatrics, McGill University, Montreal, Quebec, Canada
| | - Myriam Srour
- Division of Pediatric Neurology, Departments of Pediatrics, McGill University, Montreal, Quebec, Canada; Research Institute of the McGill University Health Center (MUHC), Montreal, Quebec, Canada
| | - Daniela Buhas
- Division of Medical Genetics, Department of Specialized Medicine, McGill University Health Center (MUHC), Montreal, Quebec, Canada; Department of Human Genetics, McGill University, Montreal, Quebec, Canada
| | - Tamison Jewett
- Department of Pediatrics, Section on Medical Genetics, Wake Forest University School of Medicine, Winston-Salem, NC
| | - Rachel E Goldberg
- Department of Pediatrics, Section on Medical Genetics, Wake Forest University School of Medicine, Winston-Salem, NC
| | - Hanan Shamseldin
- Department of Translational Genomics, Center for Genomic Medicine, King Faisal Specialist Hospital and Research Center, Riyadh, Saudi Arabia
| | - Eirik Frengen
- Department of Medical Genetics, Oslo University Hospital and University of Oslo, Oslo, Norway
| | - Doriana Misceo
- Department of Medical Genetics, Oslo University Hospital and University of Oslo, Oslo, Norway
| | - Petter Strømme
- Division of Pediatric and Adolescent Medicine, Oslo University Hospital and University of Oslo, Oslo, Norway
| | | | - Chong Ae Kim
- Genetic Unit, Instituto da Crianca, Faculdade de Medicina, Universidade de Sao Paulo, Sao Paulo, Brazil
| | - Gozde Yesil
- Department of Medical Genetics, Istanbul Faculty of Medicine, Istanbul University, Istanbul, Turkey
| | - Esma Sengenc
- Department of Pediatric Neurology, Faculty of Medicine, Bezmialem Vakif University, Istanbul, Turkey
| | - Serhat Guler
- Department of Child Neurology, Cerrahpasa Medical Faculty, Istanbul University, Istanbul, Turkey
| | | | | | - Dilek Aktas
- Damagen Genetic Diagnostic Center, Ankara, Turkey
| | - Banu Anlar
- Department of Pediatric Neurology, Hacettepe University Faculty of Medicine, Ankara, Turkey
| | - Yavuz Bayram
- Division of Genomic Diagnostics, Department of Pathology and Laboratory Medicine, Children's Hospital of Philadelphia, Philadelphia, PA; Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA
| | - Davut Pehlivan
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, TX; Texas Children's Hospital, Houston, TX; Division of Pediatric Neurology and Developmental Neuroscience, Department of Pediatrics, Baylor College of Medicine, Houston, TX
| | - Jennifer E Posey
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, TX
| | - Shahryar Alavi
- Department of Cell and Molecular Biology and Microbiology, Faculty of Biological Science and Technology, University of Isfahan, Isfahan, Iran
| | | | - Hamad Alzaidan
- Department of Medical Genetics, King Faisal Specialist Hospital and Research Center, Riyadh, Saudi Arabia
| | - Mohammad Al-Owain
- Department of Medical Genetics, King Faisal Specialist Hospital and Research Center, Riyadh, Saudi Arabia
| | - Lama Alabdi
- Department of Translational Genomics, Center for Genomic Medicine, King Faisal Specialist Hospital and Research Center, Riyadh, Saudi Arabia; Department of Zoology, College of Science, King Saud University, Riyadh, Saudi Arabia
| | - Ferdous Abdulwahab
- Department of Translational Genomics, Center for Genomic Medicine, King Faisal Specialist Hospital and Research Center, Riyadh, Saudi Arabia
| | - Futoshi Sekiguchi
- Department of Human Genetics, Yokohama City University Graduate School of Medicine, Yokohama, Japan
| | - Kohei Hamanaka
- Department of Human Genetics, Yokohama City University Graduate School of Medicine, Yokohama, Japan
| | - Atsushi Fujita
- Department of Human Genetics, Yokohama City University Graduate School of Medicine, Yokohama, Japan
| | - Yuri Uchiyama
- Department of Human Genetics, Yokohama City University Graduate School of Medicine, Yokohama, Japan; Department of Rare Disease Genomics, Yokohama City University Hospital, Yokohama, Japan
| | - Takeshi Mizuguchi
- Department of Human Genetics, Yokohama City University Graduate School of Medicine, Yokohama, Japan
| | - Satoko Miyatake
- Department of Human Genetics, Yokohama City University Graduate School of Medicine, Yokohama, Japan; Clinical Genetics Department, Yokohama City University Hospital, Yokohama, Japan
| | - Noriko Miyake
- Department of Human Genetics, Yokohama City University Graduate School of Medicine, Yokohama, Japan; Department of Human Genetics, Research Institute, National Center for Global Health and Medicine, Tokyo, Japan
| | | | - Kamran Salayev
- Department of Neurology, Azerbaijan Medical University, Baku, Azerbaijan
| | | | - Fowzan S Alkuraya
- Department of Translational Genomics, Center for Genomic Medicine, King Faisal Specialist Hospital and Research Center, Riyadh, Saudi Arabia; Department of Anatomy and Cell Biology, College of Medicine, Alfaisal University, Riyadh, Saudi Arabia
| | - Joseph G Gleeson
- Department of Neurosciences, University of California San Diego, San Diego, CA; Rady Children's Institute for Genomic Medicine, San Diego, CA
| | | | | | | | - Mahsa Motavaf
- Functional Neurosurgery Research Center, Shohada Tajrish Comprehensive Neurosurgical Center of Excellence, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Saeid Safari
- Functional Neurosurgery Research Center, Shohada Tajrish Comprehensive Neurosurgical Center of Excellence, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mozhgan Alipour
- Functional Neurosurgery Research Center, Shohada Tajrish Comprehensive Neurosurgical Center of Excellence, Shahid Beheshti University of Medical Sciences, Tehran, Iran; Department of Biophysics, Faculty of Biological Sciences, Tarbiat Modares University, Tehran, Iran
| | - Kazuhiro Ogata
- Department of Biochemistry, Yokohama City University Graduate School of Medicine, Yokohama, Japan
| | - André E X Brown
- MRC London Institute of Medical Sciences, London, United Kingdom; Faculty of Medicine, Institute of Clinical Sciences, Imperial College London, London, United Kingdom
| | - James R Lupski
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, TX; Texas Children's Hospital, Houston, TX; Human Genome Sequencing Center, Baylor College of Medicine, Houston, TX; Department of Pediatrics, Baylor College of Medicine, Houston, TX
| | - Henry Houlden
- Department of Neuromuscular Disorders, UCL Queen Square Institute of Neurology, University College London, London, United Kingdom
| | - Naomichi Matsumoto
- Department of Human Genetics, Yokohama City University Graduate School of Medicine, Yokohama, Japan.
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5
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Alsharhan H, Ahmed AA, Ali NM, Alahmad A, Albash B, Elshafie RM, Alkanderi S, Elkazzaz UM, Cyril PX, Abdelrahman RM, Elmonairy AA, Ibrahim SM, Elfeky YME, Sadik DI, Al-Enezi SD, Salloum AM, Girish Y, Al-Ali M, Ramadan DG, Alsafi R, Al-Rushood M, Bastaki L. Early Diagnosis of Classic Homocystinuria in Kuwait through Newborn Screening: A 6-Year Experience. Int J Neonatal Screen 2021; 7:ijns7030056. [PMID: 34449519 PMCID: PMC8395821 DOI: 10.3390/ijns7030056] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/20/2021] [Revised: 07/23/2021] [Accepted: 08/10/2021] [Indexed: 11/29/2022] Open
Abstract
Kuwait is a small Arabian Gulf country with a high rate of consanguinity and where a national newborn screening program was expanded in October 2014 to include a wide range of endocrine and metabolic disorders. A retrospective study conducted between January 2015 and December 2020 revealed a total of 304,086 newborns have been screened in Kuwait. Six newborns were diagnosed with classic homocystinuria with an incidence of 1:50,000, which is not as high as in Qatar but higher than the global incidence. Molecular testing for five of them has revealed three previously reported pathogenic variants in the CBS gene, c.969G>A, p.(Trp323Ter); c.982G>A, p.(Asp328Asn); and the Qatari founder variant c.1006C>T, p.(Arg336Cys). This is the first study to review the screening of newborns in Kuwait for classic homocystinuria, starting with the detection of elevated blood methionine and providing a follow-up strategy for positive results, including plasma total homocysteine and amino acid analyses. Further, we have demonstrated an increase in the specificity of the current newborn screening test for classic homocystinuria by including the methionine to phenylalanine ratio along with the elevated methionine blood levels in first-tier testing. Here, we provide evidence that the newborn screening in Kuwait has led to the early detection of classic homocystinuria cases and enabled the affected individuals to lead active and productive lives.
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Affiliation(s)
- Hind Alsharhan
- Department of Pediatrics, Faculty of Medicine, Kuwait University, P.O. Box 24923, Safat 13110, Kuwait
- Department of Pediatrics, Farwaniya Hospital, Ministry of Health, Sabah Al-Nasser 92426, Kuwait
- Kuwait Medical Genetics Center, Ministry of Health, Sulaibikhat 80901, Kuwait; (B.A.); (R.M.E.); (S.A.); (A.A.E.); (D.I.S.); (L.B.)
- Correspondence: ; Tel.: +965-60600106 or +965-25319486
| | - Amir A. Ahmed
- Newborn Screening Laboratory, Kuwait Medical Genetics Center, Ministry of Health, Sulaibikhat 80901, Kuwait; (A.A.A.); (R.M.A.); (M.A.-R.)
- Next Generation Sequencing Laboratory, Kuwait Medical Genetics Center, Ministry of Health, Sulaibikhat 80901, Kuwait; (N.M.A.); (M.A.-A.)
| | - Naser M. Ali
- Next Generation Sequencing Laboratory, Kuwait Medical Genetics Center, Ministry of Health, Sulaibikhat 80901, Kuwait; (N.M.A.); (M.A.-A.)
| | - Ahmad Alahmad
- Molecular Genetics Laboratory, Kuwait Medical Genetics Center, Ministry of Health, Sulaibikhat 80901, Kuwait; (A.A.); (S.D.A.-E.)
| | - Buthaina Albash
- Kuwait Medical Genetics Center, Ministry of Health, Sulaibikhat 80901, Kuwait; (B.A.); (R.M.E.); (S.A.); (A.A.E.); (D.I.S.); (L.B.)
| | - Reem M. Elshafie
- Kuwait Medical Genetics Center, Ministry of Health, Sulaibikhat 80901, Kuwait; (B.A.); (R.M.E.); (S.A.); (A.A.E.); (D.I.S.); (L.B.)
- Next Generation Sequencing Laboratory, Kuwait Medical Genetics Center, Ministry of Health, Sulaibikhat 80901, Kuwait; (N.M.A.); (M.A.-A.)
| | - Sumaya Alkanderi
- Kuwait Medical Genetics Center, Ministry of Health, Sulaibikhat 80901, Kuwait; (B.A.); (R.M.E.); (S.A.); (A.A.E.); (D.I.S.); (L.B.)
- Next Generation Sequencing Laboratory, Kuwait Medical Genetics Center, Ministry of Health, Sulaibikhat 80901, Kuwait; (N.M.A.); (M.A.-A.)
| | - Usama M. Elkazzaz
- Newborn Screening Office, Farwaniya Hospital, Ministry of Health, Sabah Al-Nasser 92426, Kuwait;
| | | | - Rehab M. Abdelrahman
- Newborn Screening Laboratory, Kuwait Medical Genetics Center, Ministry of Health, Sulaibikhat 80901, Kuwait; (A.A.A.); (R.M.A.); (M.A.-R.)
| | - Alaa A. Elmonairy
- Kuwait Medical Genetics Center, Ministry of Health, Sulaibikhat 80901, Kuwait; (B.A.); (R.M.E.); (S.A.); (A.A.E.); (D.I.S.); (L.B.)
| | - Samia M. Ibrahim
- Newborn Screening Office, Al-Sabah Maternity Hospital, Ministry of Health, Sulaibikhat 80901, Kuwait;
| | - Yasser M. E. Elfeky
- Newborn Screening Office, Jahra Hospital, Ministry of Health, Jahra 00020, Kuwait;
| | - Doaa I. Sadik
- Kuwait Medical Genetics Center, Ministry of Health, Sulaibikhat 80901, Kuwait; (B.A.); (R.M.E.); (S.A.); (A.A.E.); (D.I.S.); (L.B.)
| | - Sara D. Al-Enezi
- Molecular Genetics Laboratory, Kuwait Medical Genetics Center, Ministry of Health, Sulaibikhat 80901, Kuwait; (A.A.); (S.D.A.-E.)
| | - Ayman M. Salloum
- Biochemistry Laboratory, Al-Sabah Hospital, Ministry of Health, Shuwaikh 70051, Kuwait;
| | - Yadav Girish
- Clinical Biochemistry Laboratory, Ibn Sina Hospital, Ministry of Health, Shuwaikh, P.O. Box 25427, Safat 13115, Kuwait;
| | - Mohammad Al-Ali
- Next Generation Sequencing Laboratory, Kuwait Medical Genetics Center, Ministry of Health, Sulaibikhat 80901, Kuwait; (N.M.A.); (M.A.-A.)
| | - Dina G. Ramadan
- Department of Pediatrics, Al-Sabah Hospital, Ministry of Health, Shuweikh 70051, Kuwait;
| | - Rasha Alsafi
- Department of Pediatrics, Adan Hospital, Ministry of Health, Hadiya 52700, Kuwait;
| | - May Al-Rushood
- Newborn Screening Laboratory, Kuwait Medical Genetics Center, Ministry of Health, Sulaibikhat 80901, Kuwait; (A.A.A.); (R.M.A.); (M.A.-R.)
| | - Laila Bastaki
- Kuwait Medical Genetics Center, Ministry of Health, Sulaibikhat 80901, Kuwait; (B.A.); (R.M.E.); (S.A.); (A.A.E.); (D.I.S.); (L.B.)
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