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Delineating MT-ATP6-associated disease: From isolated neuropathy to early onset neurodegeneration.

  • Stendel C Department of Neurology (C.S.), Friedrich-Baur-Institute, Ludwig-Maximilians-University Munich; German Center for Neurodegenerative Diseases (DZNE), Munich, Germany; Institute of Human Genetics (C.N.), Department of Medical Genetics, University of Göttingen, Germany; Department of Pediatrics (E.F.), Salzburg State Hospitals (SALK) and Paracelsus Medical University; Division of Clinical Genetics Salzburg State Hospitals and Paracelsus Medical University, Salzburg, Austria; Department of Neurology (S.Y., F.F.), Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, China; Mitochondrial Medicine Frontier Program (R.D.G., M.J.F.), Children's Hospital of Philadelphia; Division of Human Genetics (R.D.G.), Department of Pediatrics, University of Pennsylvania Perelman School of Medicine Philadelphia; Department of Pediatrics (R.D.G.), Perelman School of Medicine, University of Pennsylvania; Institute of Medical Genetics and Applied Genomics (J.P.), University of Tübingen, Germany; Department of Neurology and Epileptology, Hertie Institute for Clinical Brain Research (J.P.), University of Tübingen, Germany; Children's Hospital (P.F.), Klinikum Reutlingen, Reutlingen; Department of Neurology (C.K.), University Hospital Bonn; Medical Genetic Center (S.K.), Munich; Department of Neurodegeneration (L.S., M.S.), Hertie Institute for Clinical Brain Research, University of Tübingen; German Center for Neurodegenerative Diseases (DZNE) (L.S.), Tübingen; Department of General Pediatrics (F.D.), Neonatology and Pediatric Cardiology, University Children's Hospital, Heinrich-Heine University, Duesseldorf, Germany; Division of Pediatric Neurology (G.M.S.), University Children's Hospital Zurich, Switzerland; Department of Neurology (B.B.), Friedrich-Baur-Institute, Ludwig-Maximilians-University Munich, Germany; Department of Pediatrics (J.A.M.), Salzburg State Hospitals (SALK) and Paracelsus Medical University, Salzburg, Austria; Department of Neurology (A.A.), Friedrich-Baur-Institute, Ludwig-Maximilians-University Munich, Germany; Medical Genetic Center (A.A.), Munich; Institute of Medical Genetics and Applied Genomics (T.B.H.), Tübingen, Germany; Institute of Human Genetics (H.P.), Technische Universität München, Munich, Germany; Institute of Human Genetics (H.P.), Helmholtz Center Munich, Neuherberg, Germany; Department of Pediatrics (S.B.W.), Salzburg State Hospitals (SALK) and Paracelsus Medical University, Salzburg, Austria; Institute of Human Genetics, Technische Universität München, Munich, Germany; Institute of Human Genetics (S.B.W.), Helmholtz Center Munich, Neuherberg, Germany; Center for Medical Genetics (K.M.), and Department of Metabolism, Chiba Children's Hospital, Chiba, Japan; and Department of Neurology (T.K.), Friedrich-Baur-Institute, Ludwig-Maximilians-University Munich; German Center for Neurodegenerative Diseases (DZNE) (T.K.), Munich; Munich Cluster for Systems Neurology (SyNergy) (T.K.), Ludwig Maximilians University Munich, Germany.
  • Neuhofer C Department of Neurology (C.S.), Friedrich-Baur-Institute, Ludwig-Maximilians-University Munich; German Center for Neurodegenerative Diseases (DZNE), Munich, Germany; Institute of Human Genetics (C.N.), Department of Medical Genetics, University of Göttingen, Germany; Department of Pediatrics (E.F.), Salzburg State Hospitals (SALK) and Paracelsus Medical University; Division of Clinical Genetics Salzburg State Hospitals and Paracelsus Medical University, Salzburg, Austria; Department of Neurology (S.Y., F.F.), Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, China; Mitochondrial Medicine Frontier Program (R.D.G., M.J.F.), Children's Hospital of Philadelphia; Division of Human Genetics (R.D.G.), Department of Pediatrics, University of Pennsylvania Perelman School of Medicine Philadelphia; Department of Pediatrics (R.D.G.), Perelman School of Medicine, University of Pennsylvania; Institute of Medical Genetics and Applied Genomics (J.P.), University of Tübingen, Germany; Department of Neurology and Epileptology, Hertie Institute for Clinical Brain Research (J.P.), University of Tübingen, Germany; Children's Hospital (P.F.), Klinikum Reutlingen, Reutlingen; Department of Neurology (C.K.), University Hospital Bonn; Medical Genetic Center (S.K.), Munich; Department of Neurodegeneration (L.S., M.S.), Hertie Institute for Clinical Brain Research, University of Tübingen; German Center for Neurodegenerative Diseases (DZNE) (L.S.), Tübingen; Department of General Pediatrics (F.D.), Neonatology and Pediatric Cardiology, University Children's Hospital, Heinrich-Heine University, Duesseldorf, Germany; Division of Pediatric Neurology (G.M.S.), University Children's Hospital Zurich, Switzerland; Department of Neurology (B.B.), Friedrich-Baur-Institute, Ludwig-Maximilians-University Munich, Germany; Department of Pediatrics (J.A.M.), Salzburg State Hospitals (SALK) and Paracelsus Medical University, Salzburg, Austria; Department of Neurology (A.A.), Friedrich-Baur-Institute, Ludwig-Maximilians-University Munich, Germany; Medical Genetic Center (A.A.), Munich; Institute of Medical Genetics and Applied Genomics (T.B.H.), Tübingen, Germany; Institute of Human Genetics (H.P.), Technische Universität München, Munich, Germany; Institute of Human Genetics (H.P.), Helmholtz Center Munich, Neuherberg, Germany; Department of Pediatrics (S.B.W.), Salzburg State Hospitals (SALK) and Paracelsus Medical University, Salzburg, Austria; Institute of Human Genetics, Technische Universität München, Munich, Germany; Institute of Human Genetics (S.B.W.), Helmholtz Center Munich, Neuherberg, Germany; Center for Medical Genetics (K.M.), and Department of Metabolism, Chiba Children's Hospital, Chiba, Japan; and Department of Neurology (T.K.), Friedrich-Baur-Institute, Ludwig-Maximilians-University Munich; German Center for Neurodegenerative Diseases (DZNE) (T.K.), Munich; Munich Cluster for Systems Neurology (SyNergy) (T.K.), Ludwig Maximilians University Munich, Germany.
  • Floride E Department of Neurology (C.S.), Friedrich-Baur-Institute, Ludwig-Maximilians-University Munich; German Center for Neurodegenerative Diseases (DZNE), Munich, Germany; Institute of Human Genetics (C.N.), Department of Medical Genetics, University of Göttingen, Germany; Department of Pediatrics (E.F.), Salzburg State Hospitals (SALK) and Paracelsus Medical University; Division of Clinical Genetics Salzburg State Hospitals and Paracelsus Medical University, Salzburg, Austria; Department of Neurology (S.Y., F.F.), Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, China; Mitochondrial Medicine Frontier Program (R.D.G., M.J.F.), Children's Hospital of Philadelphia; Division of Human Genetics (R.D.G.), Department of Pediatrics, University of Pennsylvania Perelman School of Medicine Philadelphia; Department of Pediatrics (R.D.G.), Perelman School of Medicine, University of Pennsylvania; Institute of Medical Genetics and Applied Genomics (J.P.), University of Tübingen, Germany; Department of Neurology and Epileptology, Hertie Institute for Clinical Brain Research (J.P.), University of Tübingen, Germany; Children's Hospital (P.F.), Klinikum Reutlingen, Reutlingen; Department of Neurology (C.K.), University Hospital Bonn; Medical Genetic Center (S.K.), Munich; Department of Neurodegeneration (L.S., M.S.), Hertie Institute for Clinical Brain Research, University of Tübingen; German Center for Neurodegenerative Diseases (DZNE) (L.S.), Tübingen; Department of General Pediatrics (F.D.), Neonatology and Pediatric Cardiology, University Children's Hospital, Heinrich-Heine University, Duesseldorf, Germany; Division of Pediatric Neurology (G.M.S.), University Children's Hospital Zurich, Switzerland; Department of Neurology (B.B.), Friedrich-Baur-Institute, Ludwig-Maximilians-University Munich, Germany; Department of Pediatrics (J.A.M.), Salzburg State Hospitals (SALK) and Paracelsus Medical University, Salzburg, Austria; Department of Neurology (A.A.), Friedrich-Baur-Institute, Ludwig-Maximilians-University Munich, Germany; Medical Genetic Center (A.A.), Munich; Institute of Medical Genetics and Applied Genomics (T.B.H.), Tübingen, Germany; Institute of Human Genetics (H.P.), Technische Universität München, Munich, Germany; Institute of Human Genetics (H.P.), Helmholtz Center Munich, Neuherberg, Germany; Department of Pediatrics (S.B.W.), Salzburg State Hospitals (SALK) and Paracelsus Medical University, Salzburg, Austria; Institute of Human Genetics, Technische Universität München, Munich, Germany; Institute of Human Genetics (S.B.W.), Helmholtz Center Munich, Neuherberg, Germany; Center for Medical Genetics (K.M.), and Department of Metabolism, Chiba Children's Hospital, Chiba, Japan; and Department of Neurology (T.K.), Friedrich-Baur-Institute, Ludwig-Maximilians-University Munich; German Center for Neurodegenerative Diseases (DZNE) (T.K.), Munich; Munich Cluster for Systems Neurology (SyNergy) (T.K.), Ludwig Maximilians University Munich, Germany.
  • Yuqing S Department of Neurology (C.S.), Friedrich-Baur-Institute, Ludwig-Maximilians-University Munich; German Center for Neurodegenerative Diseases (DZNE), Munich, Germany; Institute of Human Genetics (C.N.), Department of Medical Genetics, University of Göttingen, Germany; Department of Pediatrics (E.F.), Salzburg State Hospitals (SALK) and Paracelsus Medical University; Division of Clinical Genetics Salzburg State Hospitals and Paracelsus Medical University, Salzburg, Austria; Department of Neurology (S.Y., F.F.), Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, China; Mitochondrial Medicine Frontier Program (R.D.G., M.J.F.), Children's Hospital of Philadelphia; Division of Human Genetics (R.D.G.), Department of Pediatrics, University of Pennsylvania Perelman School of Medicine Philadelphia; Department of Pediatrics (R.D.G.), Perelman School of Medicine, University of Pennsylvania; Institute of Medical Genetics and Applied Genomics (J.P.), University of Tübingen, Germany; Department of Neurology and Epileptology, Hertie Institute for Clinical Brain Research (J.P.), University of Tübingen, Germany; Children's Hospital (P.F.), Klinikum Reutlingen, Reutlingen; Department of Neurology (C.K.), University Hospital Bonn; Medical Genetic Center (S.K.), Munich; Department of Neurodegeneration (L.S., M.S.), Hertie Institute for Clinical Brain Research, University of Tübingen; German Center for Neurodegenerative Diseases (DZNE) (L.S.), Tübingen; Department of General Pediatrics (F.D.), Neonatology and Pediatric Cardiology, University Children's Hospital, Heinrich-Heine University, Duesseldorf, Germany; Division of Pediatric Neurology (G.M.S.), University Children's Hospital Zurich, Switzerland; Department of Neurology (B.B.), Friedrich-Baur-Institute, Ludwig-Maximilians-University Munich, Germany; Department of Pediatrics (J.A.M.), Salzburg State Hospitals (SALK) and Paracelsus Medical University, Salzburg, Austria; Department of Neurology (A.A.), Friedrich-Baur-Institute, Ludwig-Maximilians-University Munich, Germany; Medical Genetic Center (A.A.), Munich; Institute of Medical Genetics and Applied Genomics (T.B.H.), Tübingen, Germany; Institute of Human Genetics (H.P.), Technische Universität München, Munich, Germany; Institute of Human Genetics (H.P.), Helmholtz Center Munich, Neuherberg, Germany; Department of Pediatrics (S.B.W.), Salzburg State Hospitals (SALK) and Paracelsus Medical University, Salzburg, Austria; Institute of Human Genetics, Technische Universität München, Munich, Germany; Institute of Human Genetics (S.B.W.), Helmholtz Center Munich, Neuherberg, Germany; Center for Medical Genetics (K.M.), and Department of Metabolism, Chiba Children's Hospital, Chiba, Japan; and Department of Neurology (T.K.), Friedrich-Baur-Institute, Ludwig-Maximilians-University Munich; German Center for Neurodegenerative Diseases (DZNE) (T.K.), Munich; Munich Cluster for Systems Neurology (SyNergy) (T.K.), Ludwig Maximilians University Munich, Germany.
  • Ganetzky RD Department of Neurology (C.S.), Friedrich-Baur-Institute, Ludwig-Maximilians-University Munich; German Center for Neurodegenerative Diseases (DZNE), Munich, Germany; Institute of Human Genetics (C.N.), Department of Medical Genetics, University of Göttingen, Germany; Department of Pediatrics (E.F.), Salzburg State Hospitals (SALK) and Paracelsus Medical University; Division of Clinical Genetics Salzburg State Hospitals and Paracelsus Medical University, Salzburg, Austria; Department of Neurology (S.Y., F.F.), Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, China; Mitochondrial Medicine Frontier Program (R.D.G., M.J.F.), Children's Hospital of Philadelphia; Division of Human Genetics (R.D.G.), Department of Pediatrics, University of Pennsylvania Perelman School of Medicine Philadelphia; Department of Pediatrics (R.D.G.), Perelman School of Medicine, University of Pennsylvania; Institute of Medical Genetics and Applied Genomics (J.P.), University of Tübingen, Germany; Department of Neurology and Epileptology, Hertie Institute for Clinical Brain Research (J.P.), University of Tübingen, Germany; Children's Hospital (P.F.), Klinikum Reutlingen, Reutlingen; Department of Neurology (C.K.), University Hospital Bonn; Medical Genetic Center (S.K.), Munich; Department of Neurodegeneration (L.S., M.S.), Hertie Institute for Clinical Brain Research, University of Tübingen; German Center for Neurodegenerative Diseases (DZNE) (L.S.), Tübingen; Department of General Pediatrics (F.D.), Neonatology and Pediatric Cardiology, University Children's Hospital, Heinrich-Heine University, Duesseldorf, Germany; Division of Pediatric Neurology (G.M.S.), University Children's Hospital Zurich, Switzerland; Department of Neurology (B.B.), Friedrich-Baur-Institute, Ludwig-Maximilians-University Munich, Germany; Department of Pediatrics (J.A.M.), Salzburg State Hospitals (SALK) and Paracelsus Medical University, Salzburg, Austria; Department of Neurology (A.A.), Friedrich-Baur-Institute, Ludwig-Maximilians-University Munich, Germany; Medical Genetic Center (A.A.), Munich; Institute of Medical Genetics and Applied Genomics (T.B.H.), Tübingen, Germany; Institute of Human Genetics (H.P.), Technische Universität München, Munich, Germany; Institute of Human Genetics (H.P.), Helmholtz Center Munich, Neuherberg, Germany; Department of Pediatrics (S.B.W.), Salzburg State Hospitals (SALK) and Paracelsus Medical University, Salzburg, Austria; Institute of Human Genetics, Technische Universität München, Munich, Germany; Institute of Human Genetics (S.B.W.), Helmholtz Center Munich, Neuherberg, Germany; Center for Medical Genetics (K.M.), and Department of Metabolism, Chiba Children's Hospital, Chiba, Japan; and Department of Neurology (T.K.), Friedrich-Baur-Institute, Ludwig-Maximilians-University Munich; German Center for Neurodegenerative Diseases (DZNE) (T.K.), Munich; Munich Cluster for Systems Neurology (SyNergy) (T.K.), Ludwig Maximilians University Munich, Germany.
  • Park J Department of Neurology (C.S.), Friedrich-Baur-Institute, Ludwig-Maximilians-University Munich; German Center for Neurodegenerative Diseases (DZNE), Munich, Germany; Institute of Human Genetics (C.N.), Department of Medical Genetics, University of Göttingen, Germany; Department of Pediatrics (E.F.), Salzburg State Hospitals (SALK) and Paracelsus Medical University; Division of Clinical Genetics Salzburg State Hospitals and Paracelsus Medical University, Salzburg, Austria; Department of Neurology (S.Y., F.F.), Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, China; Mitochondrial Medicine Frontier Program (R.D.G., M.J.F.), Children's Hospital of Philadelphia; Division of Human Genetics (R.D.G.), Department of Pediatrics, University of Pennsylvania Perelman School of Medicine Philadelphia; Department of Pediatrics (R.D.G.), Perelman School of Medicine, University of Pennsylvania; Institute of Medical Genetics and Applied Genomics (J.P.), University of Tübingen, Germany; Department of Neurology and Epileptology, Hertie Institute for Clinical Brain Research (J.P.), University of Tübingen, Germany; Children's Hospital (P.F.), Klinikum Reutlingen, Reutlingen; Department of Neurology (C.K.), University Hospital Bonn; Medical Genetic Center (S.K.), Munich; Department of Neurodegeneration (L.S., M.S.), Hertie Institute for Clinical Brain Research, University of Tübingen; German Center for Neurodegenerative Diseases (DZNE) (L.S.), Tübingen; Department of General Pediatrics (F.D.), Neonatology and Pediatric Cardiology, University Children's Hospital, Heinrich-Heine University, Duesseldorf, Germany; Division of Pediatric Neurology (G.M.S.), University Children's Hospital Zurich, Switzerland; Department of Neurology (B.B.), Friedrich-Baur-Institute, Ludwig-Maximilians-University Munich, Germany; Department of Pediatrics (J.A.M.), Salzburg State Hospitals (SALK) and Paracelsus Medical University, Salzburg, Austria; Department of Neurology (A.A.), Friedrich-Baur-Institute, Ludwig-Maximilians-University Munich, Germany; Medical Genetic Center (A.A.), Munich; Institute of Medical Genetics and Applied Genomics (T.B.H.), Tübingen, Germany; Institute of Human Genetics (H.P.), Technische Universität München, Munich, Germany; Institute of Human Genetics (H.P.), Helmholtz Center Munich, Neuherberg, Germany; Department of Pediatrics (S.B.W.), Salzburg State Hospitals (SALK) and Paracelsus Medical University, Salzburg, Austria; Institute of Human Genetics, Technische Universität München, Munich, Germany; Institute of Human Genetics (S.B.W.), Helmholtz Center Munich, Neuherberg, Germany; Center for Medical Genetics (K.M.), and Department of Metabolism, Chiba Children's Hospital, Chiba, Japan; and Department of Neurology (T.K.), Friedrich-Baur-Institute, Ludwig-Maximilians-University Munich; German Center for Neurodegenerative Diseases (DZNE) (T.K.), Munich; Munich Cluster for Systems Neurology (SyNergy) (T.K.), Ludwig Maximilians University Munich, Germany.
  • Freisinger P Department of Neurology (C.S.), Friedrich-Baur-Institute, Ludwig-Maximilians-University Munich; German Center for Neurodegenerative Diseases (DZNE), Munich, Germany; Institute of Human Genetics (C.N.), Department of Medical Genetics, University of Göttingen, Germany; Department of Pediatrics (E.F.), Salzburg State Hospitals (SALK) and Paracelsus Medical University; Division of Clinical Genetics Salzburg State Hospitals and Paracelsus Medical University, Salzburg, Austria; Department of Neurology (S.Y., F.F.), Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, China; Mitochondrial Medicine Frontier Program (R.D.G., M.J.F.), Children's Hospital of Philadelphia; Division of Human Genetics (R.D.G.), Department of Pediatrics, University of Pennsylvania Perelman School of Medicine Philadelphia; Department of Pediatrics (R.D.G.), Perelman School of Medicine, University of Pennsylvania; Institute of Medical Genetics and Applied Genomics (J.P.), University of Tübingen, Germany; Department of Neurology and Epileptology, Hertie Institute for Clinical Brain Research (J.P.), University of Tübingen, Germany; Children's Hospital (P.F.), Klinikum Reutlingen, Reutlingen; Department of Neurology (C.K.), University Hospital Bonn; Medical Genetic Center (S.K.), Munich; Department of Neurodegeneration (L.S., M.S.), Hertie Institute for Clinical Brain Research, University of Tübingen; German Center for Neurodegenerative Diseases (DZNE) (L.S.), Tübingen; Department of General Pediatrics (F.D.), Neonatology and Pediatric Cardiology, University Children's Hospital, Heinrich-Heine University, Duesseldorf, Germany; Division of Pediatric Neurology (G.M.S.), University Children's Hospital Zurich, Switzerland; Department of Neurology (B.B.), Friedrich-Baur-Institute, Ludwig-Maximilians-University Munich, Germany; Department of Pediatrics (J.A.M.), Salzburg State Hospitals (SALK) and Paracelsus Medical University, Salzburg, Austria; Department of Neurology (A.A.), Friedrich-Baur-Institute, Ludwig-Maximilians-University Munich, Germany; Medical Genetic Center (A.A.), Munich; Institute of Medical Genetics and Applied Genomics (T.B.H.), Tübingen, Germany; Institute of Human Genetics (H.P.), Technische Universität München, Munich, Germany; Institute of Human Genetics (H.P.), Helmholtz Center Munich, Neuherberg, Germany; Department of Pediatrics (S.B.W.), Salzburg State Hospitals (SALK) and Paracelsus Medical University, Salzburg, Austria; Institute of Human Genetics, Technische Universität München, Munich, Germany; Institute of Human Genetics (S.B.W.), Helmholtz Center Munich, Neuherberg, Germany; Center for Medical Genetics (K.M.), and Department of Metabolism, Chiba Children's Hospital, Chiba, Japan; and Department of Neurology (T.K.), Friedrich-Baur-Institute, Ludwig-Maximilians-University Munich; German Center for Neurodegenerative Diseases (DZNE) (T.K.), Munich; Munich Cluster for Systems Neurology (SyNergy) (T.K.), Ludwig Maximilians University Munich, Germany.
  • Kornblum C Department of Neurology (C.S.), Friedrich-Baur-Institute, Ludwig-Maximilians-University Munich; German Center for Neurodegenerative Diseases (DZNE), Munich, Germany; Institute of Human Genetics (C.N.), Department of Medical Genetics, University of Göttingen, Germany; Department of Pediatrics (E.F.), Salzburg State Hospitals (SALK) and Paracelsus Medical University; Division of Clinical Genetics Salzburg State Hospitals and Paracelsus Medical University, Salzburg, Austria; Department of Neurology (S.Y., F.F.), Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, China; Mitochondrial Medicine Frontier Program (R.D.G., M.J.F.), Children's Hospital of Philadelphia; Division of Human Genetics (R.D.G.), Department of Pediatrics, University of Pennsylvania Perelman School of Medicine Philadelphia; Department of Pediatrics (R.D.G.), Perelman School of Medicine, University of Pennsylvania; Institute of Medical Genetics and Applied Genomics (J.P.), University of Tübingen, Germany; Department of Neurology and Epileptology, Hertie Institute for Clinical Brain Research (J.P.), University of Tübingen, Germany; Children's Hospital (P.F.), Klinikum Reutlingen, Reutlingen; Department of Neurology (C.K.), University Hospital Bonn; Medical Genetic Center (S.K.), Munich; Department of Neurodegeneration (L.S., M.S.), Hertie Institute for Clinical Brain Research, University of Tübingen; German Center for Neurodegenerative Diseases (DZNE) (L.S.), Tübingen; Department of General Pediatrics (F.D.), Neonatology and Pediatric Cardiology, University Children's Hospital, Heinrich-Heine University, Duesseldorf, Germany; Division of Pediatric Neurology (G.M.S.), University Children's Hospital Zurich, Switzerland; Department of Neurology (B.B.), Friedrich-Baur-Institute, Ludwig-Maximilians-University Munich, Germany; Department of Pediatrics (J.A.M.), Salzburg State Hospitals (SALK) and Paracelsus Medical University, Salzburg, Austria; Department of Neurology (A.A.), Friedrich-Baur-Institute, Ludwig-Maximilians-University Munich, Germany; Medical Genetic Center (A.A.), Munich; Institute of Medical Genetics and Applied Genomics (T.B.H.), Tübingen, Germany; Institute of Human Genetics (H.P.), Technische Universität München, Munich, Germany; Institute of Human Genetics (H.P.), Helmholtz Center Munich, Neuherberg, Germany; Department of Pediatrics (S.B.W.), Salzburg State Hospitals (SALK) and Paracelsus Medical University, Salzburg, Austria; Institute of Human Genetics, Technische Universität München, Munich, Germany; Institute of Human Genetics (S.B.W.), Helmholtz Center Munich, Neuherberg, Germany; Center for Medical Genetics (K.M.), and Department of Metabolism, Chiba Children's Hospital, Chiba, Japan; and Department of Neurology (T.K.), Friedrich-Baur-Institute, Ludwig-Maximilians-University Munich; German Center for Neurodegenerative Diseases (DZNE) (T.K.), Munich; Munich Cluster for Systems Neurology (SyNergy) (T.K.), Ludwig Maximilians University Munich, Germany.
  • Kleinle S Department of Neurology (C.S.), Friedrich-Baur-Institute, Ludwig-Maximilians-University Munich; German Center for Neurodegenerative Diseases (DZNE), Munich, Germany; Institute of Human Genetics (C.N.), Department of Medical Genetics, University of Göttingen, Germany; Department of Pediatrics (E.F.), Salzburg State Hospitals (SALK) and Paracelsus Medical University; Division of Clinical Genetics Salzburg State Hospitals and Paracelsus Medical University, Salzburg, Austria; Department of Neurology (S.Y., F.F.), Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, China; Mitochondrial Medicine Frontier Program (R.D.G., M.J.F.), Children's Hospital of Philadelphia; Division of Human Genetics (R.D.G.), Department of Pediatrics, University of Pennsylvania Perelman School of Medicine Philadelphia; Department of Pediatrics (R.D.G.), Perelman School of Medicine, University of Pennsylvania; Institute of Medical Genetics and Applied Genomics (J.P.), University of Tübingen, Germany; Department of Neurology and Epileptology, Hertie Institute for Clinical Brain Research (J.P.), University of Tübingen, Germany; Children's Hospital (P.F.), Klinikum Reutlingen, Reutlingen; Department of Neurology (C.K.), University Hospital Bonn; Medical Genetic Center (S.K.), Munich; Department of Neurodegeneration (L.S., M.S.), Hertie Institute for Clinical Brain Research, University of Tübingen; German Center for Neurodegenerative Diseases (DZNE) (L.S.), Tübingen; Department of General Pediatrics (F.D.), Neonatology and Pediatric Cardiology, University Children's Hospital, Heinrich-Heine University, Duesseldorf, Germany; Division of Pediatric Neurology (G.M.S.), University Children's Hospital Zurich, Switzerland; Department of Neurology (B.B.), Friedrich-Baur-Institute, Ludwig-Maximilians-University Munich, Germany; Department of Pediatrics (J.A.M.), Salzburg State Hospitals (SALK) and Paracelsus Medical University, Salzburg, Austria; Department of Neurology (A.A.), Friedrich-Baur-Institute, Ludwig-Maximilians-University Munich, Germany; Medical Genetic Center (A.A.), Munich; Institute of Medical Genetics and Applied Genomics (T.B.H.), Tübingen, Germany; Institute of Human Genetics (H.P.), Technische Universität München, Munich, Germany; Institute of Human Genetics (H.P.), Helmholtz Center Munich, Neuherberg, Germany; Department of Pediatrics (S.B.W.), Salzburg State Hospitals (SALK) and Paracelsus Medical University, Salzburg, Austria; Institute of Human Genetics, Technische Universität München, Munich, Germany; Institute of Human Genetics (S.B.W.), Helmholtz Center Munich, Neuherberg, Germany; Center for Medical Genetics (K.M.), and Department of Metabolism, Chiba Children's Hospital, Chiba, Japan; and Department of Neurology (T.K.), Friedrich-Baur-Institute, Ludwig-Maximilians-University Munich; German Center for Neurodegenerative Diseases (DZNE) (T.K.), Munich; Munich Cluster for Systems Neurology (SyNergy) (T.K.), Ludwig Maximilians University Munich, Germany.
  • Schöls L Department of Neurology (C.S.), Friedrich-Baur-Institute, Ludwig-Maximilians-University Munich; German Center for Neurodegenerative Diseases (DZNE), Munich, Germany; Institute of Human Genetics (C.N.), Department of Medical Genetics, University of Göttingen, Germany; Department of Pediatrics (E.F.), Salzburg State Hospitals (SALK) and Paracelsus Medical University; Division of Clinical Genetics Salzburg State Hospitals and Paracelsus Medical University, Salzburg, Austria; Department of Neurology (S.Y., F.F.), Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, China; Mitochondrial Medicine Frontier Program (R.D.G., M.J.F.), Children's Hospital of Philadelphia; Division of Human Genetics (R.D.G.), Department of Pediatrics, University of Pennsylvania Perelman School of Medicine Philadelphia; Department of Pediatrics (R.D.G.), Perelman School of Medicine, University of Pennsylvania; Institute of Medical Genetics and Applied Genomics (J.P.), University of Tübingen, Germany; Department of Neurology and Epileptology, Hertie Institute for Clinical Brain Research (J.P.), University of Tübingen, Germany; Children's Hospital (P.F.), Klinikum Reutlingen, Reutlingen; Department of Neurology (C.K.), University Hospital Bonn; Medical Genetic Center (S.K.), Munich; Department of Neurodegeneration (L.S., M.S.), Hertie Institute for Clinical Brain Research, University of Tübingen; German Center for Neurodegenerative Diseases (DZNE) (L.S.), Tübingen; Department of General Pediatrics (F.D.), Neonatology and Pediatric Cardiology, University Children's Hospital, Heinrich-Heine University, Duesseldorf, Germany; Division of Pediatric Neurology (G.M.S.), University Children's Hospital Zurich, Switzerland; Department of Neurology (B.B.), Friedrich-Baur-Institute, Ludwig-Maximilians-University Munich, Germany; Department of Pediatrics (J.A.M.), Salzburg State Hospitals (SALK) and Paracelsus Medical University, Salzburg, Austria; Department of Neurology (A.A.), Friedrich-Baur-Institute, Ludwig-Maximilians-University Munich, Germany; Medical Genetic Center (A.A.), Munich; Institute of Medical Genetics and Applied Genomics (T.B.H.), Tübingen, Germany; Institute of Human Genetics (H.P.), Technische Universität München, Munich, Germany; Institute of Human Genetics (H.P.), Helmholtz Center Munich, Neuherberg, Germany; Department of Pediatrics (S.B.W.), Salzburg State Hospitals (SALK) and Paracelsus Medical University, Salzburg, Austria; Institute of Human Genetics, Technische Universität München, Munich, Germany; Institute of Human Genetics (S.B.W.), Helmholtz Center Munich, Neuherberg, Germany; Center for Medical Genetics (K.M.), and Department of Metabolism, Chiba Children's Hospital, Chiba, Japan; and Department of Neurology (T.K.), Friedrich-Baur-Institute, Ludwig-Maximilians-University Munich; German Center for Neurodegenerative Diseases (DZNE) (T.K.), Munich; Munich Cluster for Systems Neurology (SyNergy) (T.K.), Ludwig Maximilians University Munich, Germany.
  • Distelmaier F Department of Neurology (C.S.), Friedrich-Baur-Institute, Ludwig-Maximilians-University Munich; German Center for Neurodegenerative Diseases (DZNE), Munich, Germany; Institute of Human Genetics (C.N.), Department of Medical Genetics, University of Göttingen, Germany; Department of Pediatrics (E.F.), Salzburg State Hospitals (SALK) and Paracelsus Medical University; Division of Clinical Genetics Salzburg State Hospitals and Paracelsus Medical University, Salzburg, Austria; Department of Neurology (S.Y., F.F.), Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, China; Mitochondrial Medicine Frontier Program (R.D.G., M.J.F.), Children's Hospital of Philadelphia; Division of Human Genetics (R.D.G.), Department of Pediatrics, University of Pennsylvania Perelman School of Medicine Philadelphia; Department of Pediatrics (R.D.G.), Perelman School of Medicine, University of Pennsylvania; Institute of Medical Genetics and Applied Genomics (J.P.), University of Tübingen, Germany; Department of Neurology and Epileptology, Hertie Institute for Clinical Brain Research (J.P.), University of Tübingen, Germany; Children's Hospital (P.F.), Klinikum Reutlingen, Reutlingen; Department of Neurology (C.K.), University Hospital Bonn; Medical Genetic Center (S.K.), Munich; Department of Neurodegeneration (L.S., M.S.), Hertie Institute for Clinical Brain Research, University of Tübingen; German Center for Neurodegenerative Diseases (DZNE) (L.S.), Tübingen; Department of General Pediatrics (F.D.), Neonatology and Pediatric Cardiology, University Children's Hospital, Heinrich-Heine University, Duesseldorf, Germany; Division of Pediatric Neurology (G.M.S.), University Children's Hospital Zurich, Switzerland; Department of Neurology (B.B.), Friedrich-Baur-Institute, Ludwig-Maximilians-University Munich, Germany; Department of Pediatrics (J.A.M.), Salzburg State Hospitals (SALK) and Paracelsus Medical University, Salzburg, Austria; Department of Neurology (A.A.), Friedrich-Baur-Institute, Ludwig-Maximilians-University Munich, Germany; Medical Genetic Center (A.A.), Munich; Institute of Medical Genetics and Applied Genomics (T.B.H.), Tübingen, Germany; Institute of Human Genetics (H.P.), Technische Universität München, Munich, Germany; Institute of Human Genetics (H.P.), Helmholtz Center Munich, Neuherberg, Germany; Department of Pediatrics (S.B.W.), Salzburg State Hospitals (SALK) and Paracelsus Medical University, Salzburg, Austria; Institute of Human Genetics, Technische Universität München, Munich, Germany; Institute of Human Genetics (S.B.W.), Helmholtz Center Munich, Neuherberg, Germany; Center for Medical Genetics (K.M.), and Department of Metabolism, Chiba Children's Hospital, Chiba, Japan; and Department of Neurology (T.K.), Friedrich-Baur-Institute, Ludwig-Maximilians-University Munich; German Center for Neurodegenerative Diseases (DZNE) (T.K.), Munich; Munich Cluster for Systems Neurology (SyNergy) (T.K.), Ludwig Maximilians University Munich, Germany.
  • Stettner GM Department of Neurology (C.S.), Friedrich-Baur-Institute, Ludwig-Maximilians-University Munich; German Center for Neurodegenerative Diseases (DZNE), Munich, Germany; Institute of Human Genetics (C.N.), Department of Medical Genetics, University of Göttingen, Germany; Department of Pediatrics (E.F.), Salzburg State Hospitals (SALK) and Paracelsus Medical University; Division of Clinical Genetics Salzburg State Hospitals and Paracelsus Medical University, Salzburg, Austria; Department of Neurology (S.Y., F.F.), Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, China; Mitochondrial Medicine Frontier Program (R.D.G., M.J.F.), Children's Hospital of Philadelphia; Division of Human Genetics (R.D.G.), Department of Pediatrics, University of Pennsylvania Perelman School of Medicine Philadelphia; Department of Pediatrics (R.D.G.), Perelman School of Medicine, University of Pennsylvania; Institute of Medical Genetics and Applied Genomics (J.P.), University of Tübingen, Germany; Department of Neurology and Epileptology, Hertie Institute for Clinical Brain Research (J.P.), University of Tübingen, Germany; Children's Hospital (P.F.), Klinikum Reutlingen, Reutlingen; Department of Neurology (C.K.), University Hospital Bonn; Medical Genetic Center (S.K.), Munich; Department of Neurodegeneration (L.S., M.S.), Hertie Institute for Clinical Brain Research, University of Tübingen; German Center for Neurodegenerative Diseases (DZNE) (L.S.), Tübingen; Department of General Pediatrics (F.D.), Neonatology and Pediatric Cardiology, University Children's Hospital, Heinrich-Heine University, Duesseldorf, Germany; Division of Pediatric Neurology (G.M.S.), University Children's Hospital Zurich, Switzerland; Department of Neurology (B.B.), Friedrich-Baur-Institute, Ludwig-Maximilians-University Munich, Germany; Department of Pediatrics (J.A.M.), Salzburg State Hospitals (SALK) and Paracelsus Medical University, Salzburg, Austria; Department of Neurology (A.A.), Friedrich-Baur-Institute, Ludwig-Maximilians-University Munich, Germany; Medical Genetic Center (A.A.), Munich; Institute of Medical Genetics and Applied Genomics (T.B.H.), Tübingen, Germany; Institute of Human Genetics (H.P.), Technische Universität München, Munich, Germany; Institute of Human Genetics (H.P.), Helmholtz Center Munich, Neuherberg, Germany; Department of Pediatrics (S.B.W.), Salzburg State Hospitals (SALK) and Paracelsus Medical University, Salzburg, Austria; Institute of Human Genetics, Technische Universität München, Munich, Germany; Institute of Human Genetics (S.B.W.), Helmholtz Center Munich, Neuherberg, Germany; Center for Medical Genetics (K.M.), and Department of Metabolism, Chiba Children's Hospital, Chiba, Japan; and Department of Neurology (T.K.), Friedrich-Baur-Institute, Ludwig-Maximilians-University Munich; German Center for Neurodegenerative Diseases (DZNE) (T.K.), Munich; Munich Cluster for Systems Neurology (SyNergy) (T.K.), Ludwig Maximilians University Munich, Germany.
  • Büchner B Department of Neurology (C.S.), Friedrich-Baur-Institute, Ludwig-Maximilians-University Munich; German Center for Neurodegenerative Diseases (DZNE), Munich, Germany; Institute of Human Genetics (C.N.), Department of Medical Genetics, University of Göttingen, Germany; Department of Pediatrics (E.F.), Salzburg State Hospitals (SALK) and Paracelsus Medical University; Division of Clinical Genetics Salzburg State Hospitals and Paracelsus Medical University, Salzburg, Austria; Department of Neurology (S.Y., F.F.), Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, China; Mitochondrial Medicine Frontier Program (R.D.G., M.J.F.), Children's Hospital of Philadelphia; Division of Human Genetics (R.D.G.), Department of Pediatrics, University of Pennsylvania Perelman School of Medicine Philadelphia; Department of Pediatrics (R.D.G.), Perelman School of Medicine, University of Pennsylvania; Institute of Medical Genetics and Applied Genomics (J.P.), University of Tübingen, Germany; Department of Neurology and Epileptology, Hertie Institute for Clinical Brain Research (J.P.), University of Tübingen, Germany; Children's Hospital (P.F.), Klinikum Reutlingen, Reutlingen; Department of Neurology (C.K.), University Hospital Bonn; Medical Genetic Center (S.K.), Munich; Department of Neurodegeneration (L.S., M.S.), Hertie Institute for Clinical Brain Research, University of Tübingen; German Center for Neurodegenerative Diseases (DZNE) (L.S.), Tübingen; Department of General Pediatrics (F.D.), Neonatology and Pediatric Cardiology, University Children's Hospital, Heinrich-Heine University, Duesseldorf, Germany; Division of Pediatric Neurology (G.M.S.), University Children's Hospital Zurich, Switzerland; Department of Neurology (B.B.), Friedrich-Baur-Institute, Ludwig-Maximilians-University Munich, Germany; Department of Pediatrics (J.A.M.), Salzburg State Hospitals (SALK) and Paracelsus Medical University, Salzburg, Austria; Department of Neurology (A.A.), Friedrich-Baur-Institute, Ludwig-Maximilians-University Munich, Germany; Medical Genetic Center (A.A.), Munich; Institute of Medical Genetics and Applied Genomics (T.B.H.), Tübingen, Germany; Institute of Human Genetics (H.P.), Technische Universität München, Munich, Germany; Institute of Human Genetics (H.P.), Helmholtz Center Munich, Neuherberg, Germany; Department of Pediatrics (S.B.W.), Salzburg State Hospitals (SALK) and Paracelsus Medical University, Salzburg, Austria; Institute of Human Genetics, Technische Universität München, Munich, Germany; Institute of Human Genetics (S.B.W.), Helmholtz Center Munich, Neuherberg, Germany; Center for Medical Genetics (K.M.), and Department of Metabolism, Chiba Children's Hospital, Chiba, Japan; and Department of Neurology (T.K.), Friedrich-Baur-Institute, Ludwig-Maximilians-University Munich; German Center for Neurodegenerative Diseases (DZNE) (T.K.), Munich; Munich Cluster for Systems Neurology (SyNergy) (T.K.), Ludwig Maximilians University Munich, Germany.
  • Falk MJ Department of Neurology (C.S.), Friedrich-Baur-Institute, Ludwig-Maximilians-University Munich; German Center for Neurodegenerative Diseases (DZNE), Munich, Germany; Institute of Human Genetics (C.N.), Department of Medical Genetics, University of Göttingen, Germany; Department of Pediatrics (E.F.), Salzburg State Hospitals (SALK) and Paracelsus Medical University; Division of Clinical Genetics Salzburg State Hospitals and Paracelsus Medical University, Salzburg, Austria; Department of Neurology (S.Y., F.F.), Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, China; Mitochondrial Medicine Frontier Program (R.D.G., M.J.F.), Children's Hospital of Philadelphia; Division of Human Genetics (R.D.G.), Department of Pediatrics, University of Pennsylvania Perelman School of Medicine Philadelphia; Department of Pediatrics (R.D.G.), Perelman School of Medicine, University of Pennsylvania; Institute of Medical Genetics and Applied Genomics (J.P.), University of Tübingen, Germany; Department of Neurology and Epileptology, Hertie Institute for Clinical Brain Research (J.P.), University of Tübingen, Germany; Children's Hospital (P.F.), Klinikum Reutlingen, Reutlingen; Department of Neurology (C.K.), University Hospital Bonn; Medical Genetic Center (S.K.), Munich; Department of Neurodegeneration (L.S., M.S.), Hertie Institute for Clinical Brain Research, University of Tübingen; German Center for Neurodegenerative Diseases (DZNE) (L.S.), Tübingen; Department of General Pediatrics (F.D.), Neonatology and Pediatric Cardiology, University Children's Hospital, Heinrich-Heine University, Duesseldorf, Germany; Division of Pediatric Neurology (G.M.S.), University Children's Hospital Zurich, Switzerland; Department of Neurology (B.B.), Friedrich-Baur-Institute, Ludwig-Maximilians-University Munich, Germany; Department of Pediatrics (J.A.M.), Salzburg State Hospitals (SALK) and Paracelsus Medical University, Salzburg, Austria; Department of Neurology (A.A.), Friedrich-Baur-Institute, Ludwig-Maximilians-University Munich, Germany; Medical Genetic Center (A.A.), Munich; Institute of Medical Genetics and Applied Genomics (T.B.H.), Tübingen, Germany; Institute of Human Genetics (H.P.), Technische Universität München, Munich, Germany; Institute of Human Genetics (H.P.), Helmholtz Center Munich, Neuherberg, Germany; Department of Pediatrics (S.B.W.), Salzburg State Hospitals (SALK) and Paracelsus Medical University, Salzburg, Austria; Institute of Human Genetics, Technische Universität München, Munich, Germany; Institute of Human Genetics (S.B.W.), Helmholtz Center Munich, Neuherberg, Germany; Center for Medical Genetics (K.M.), and Department of Metabolism, Chiba Children's Hospital, Chiba, Japan; and Department of Neurology (T.K.), Friedrich-Baur-Institute, Ludwig-Maximilians-University Munich; German Center for Neurodegenerative Diseases (DZNE) (T.K.), Munich; Munich Cluster for Systems Neurology (SyNergy) (T.K.), Ludwig Maximilians University Munich, Germany.
  • Mayr JA Department of Neurology (C.S.), Friedrich-Baur-Institute, Ludwig-Maximilians-University Munich; German Center for Neurodegenerative Diseases (DZNE), Munich, Germany; Institute of Human Genetics (C.N.), Department of Medical Genetics, University of Göttingen, Germany; Department of Pediatrics (E.F.), Salzburg State Hospitals (SALK) and Paracelsus Medical University; Division of Clinical Genetics Salzburg State Hospitals and Paracelsus Medical University, Salzburg, Austria; Department of Neurology (S.Y., F.F.), Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, China; Mitochondrial Medicine Frontier Program (R.D.G., M.J.F.), Children's Hospital of Philadelphia; Division of Human Genetics (R.D.G.), Department of Pediatrics, University of Pennsylvania Perelman School of Medicine Philadelphia; Department of Pediatrics (R.D.G.), Perelman School of Medicine, University of Pennsylvania; Institute of Medical Genetics and Applied Genomics (J.P.), University of Tübingen, Germany; Department of Neurology and Epileptology, Hertie Institute for Clinical Brain Research (J.P.), University of Tübingen, Germany; Children's Hospital (P.F.), Klinikum Reutlingen, Reutlingen; Department of Neurology (C.K.), University Hospital Bonn; Medical Genetic Center (S.K.), Munich; Department of Neurodegeneration (L.S., M.S.), Hertie Institute for Clinical Brain Research, University of Tübingen; German Center for Neurodegenerative Diseases (DZNE) (L.S.), Tübingen; Department of General Pediatrics (F.D.), Neonatology and Pediatric Cardiology, University Children's Hospital, Heinrich-Heine University, Duesseldorf, Germany; Division of Pediatric Neurology (G.M.S.), University Children's Hospital Zurich, Switzerland; Department of Neurology (B.B.), Friedrich-Baur-Institute, Ludwig-Maximilians-University Munich, Germany; Department of Pediatrics (J.A.M.), Salzburg State Hospitals (SALK) and Paracelsus Medical University, Salzburg, Austria; Department of Neurology (A.A.), Friedrich-Baur-Institute, Ludwig-Maximilians-University Munich, Germany; Medical Genetic Center (A.A.), Munich; Institute of Medical Genetics and Applied Genomics (T.B.H.), Tübingen, Germany; Institute of Human Genetics (H.P.), Technische Universität München, Munich, Germany; Institute of Human Genetics (H.P.), Helmholtz Center Munich, Neuherberg, Germany; Department of Pediatrics (S.B.W.), Salzburg State Hospitals (SALK) and Paracelsus Medical University, Salzburg, Austria; Institute of Human Genetics, Technische Universität München, Munich, Germany; Institute of Human Genetics (S.B.W.), Helmholtz Center Munich, Neuherberg, Germany; Center for Medical Genetics (K.M.), and Department of Metabolism, Chiba Children's Hospital, Chiba, Japan; and Department of Neurology (T.K.), Friedrich-Baur-Institute, Ludwig-Maximilians-University Munich; German Center for Neurodegenerative Diseases (DZNE) (T.K.), Munich; Munich Cluster for Systems Neurology (SyNergy) (T.K.), Ludwig Maximilians University Munich, Germany.
  • Synofzik M Department of Neurology (C.S.), Friedrich-Baur-Institute, Ludwig-Maximilians-University Munich; German Center for Neurodegenerative Diseases (DZNE), Munich, Germany; Institute of Human Genetics (C.N.), Department of Medical Genetics, University of Göttingen, Germany; Department of Pediatrics (E.F.), Salzburg State Hospitals (SALK) and Paracelsus Medical University; Division of Clinical Genetics Salzburg State Hospitals and Paracelsus Medical University, Salzburg, Austria; Department of Neurology (S.Y., F.F.), Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, China; Mitochondrial Medicine Frontier Program (R.D.G., M.J.F.), Children's Hospital of Philadelphia; Division of Human Genetics (R.D.G.), Department of Pediatrics, University of Pennsylvania Perelman School of Medicine Philadelphia; Department of Pediatrics (R.D.G.), Perelman School of Medicine, University of Pennsylvania; Institute of Medical Genetics and Applied Genomics (J.P.), University of Tübingen, Germany; Department of Neurology and Epileptology, Hertie Institute for Clinical Brain Research (J.P.), University of Tübingen, Germany; Children's Hospital (P.F.), Klinikum Reutlingen, Reutlingen; Department of Neurology (C.K.), University Hospital Bonn; Medical Genetic Center (S.K.), Munich; Department of Neurodegeneration (L.S., M.S.), Hertie Institute for Clinical Brain Research, University of Tübingen; German Center for Neurodegenerative Diseases (DZNE) (L.S.), Tübingen; Department of General Pediatrics (F.D.), Neonatology and Pediatric Cardiology, University Children's Hospital, Heinrich-Heine University, Duesseldorf, Germany; Division of Pediatric Neurology (G.M.S.), University Children's Hospital Zurich, Switzerland; Department of Neurology (B.B.), Friedrich-Baur-Institute, Ludwig-Maximilians-University Munich, Germany; Department of Pediatrics (J.A.M.), Salzburg State Hospitals (SALK) and Paracelsus Medical University, Salzburg, Austria; Department of Neurology (A.A.), Friedrich-Baur-Institute, Ludwig-Maximilians-University Munich, Germany; Medical Genetic Center (A.A.), Munich; Institute of Medical Genetics and Applied Genomics (T.B.H.), Tübingen, Germany; Institute of Human Genetics (H.P.), Technische Universität München, Munich, Germany; Institute of Human Genetics (H.P.), Helmholtz Center Munich, Neuherberg, Germany; Department of Pediatrics (S.B.W.), Salzburg State Hospitals (SALK) and Paracelsus Medical University, Salzburg, Austria; Institute of Human Genetics, Technische Universität München, Munich, Germany; Institute of Human Genetics (S.B.W.), Helmholtz Center Munich, Neuherberg, Germany; Center for Medical Genetics (K.M.), and Department of Metabolism, Chiba Children's Hospital, Chiba, Japan; and Department of Neurology (T.K.), Friedrich-Baur-Institute, Ludwig-Maximilians-University Munich; German Center for Neurodegenerative Diseases (DZNE) (T.K.), Munich; Munich Cluster for Systems Neurology (SyNergy) (T.K.), Ludwig Maximilians University Munich, Germany.
  • Abicht A Department of Neurology (C.S.), Friedrich-Baur-Institute, Ludwig-Maximilians-University Munich; German Center for Neurodegenerative Diseases (DZNE), Munich, Germany; Institute of Human Genetics (C.N.), Department of Medical Genetics, University of Göttingen, Germany; Department of Pediatrics (E.F.), Salzburg State Hospitals (SALK) and Paracelsus Medical University; Division of Clinical Genetics Salzburg State Hospitals and Paracelsus Medical University, Salzburg, Austria; Department of Neurology (S.Y., F.F.), Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, China; Mitochondrial Medicine Frontier Program (R.D.G., M.J.F.), Children's Hospital of Philadelphia; Division of Human Genetics (R.D.G.), Department of Pediatrics, University of Pennsylvania Perelman School of Medicine Philadelphia; Department of Pediatrics (R.D.G.), Perelman School of Medicine, University of Pennsylvania; Institute of Medical Genetics and Applied Genomics (J.P.), University of Tübingen, Germany; Department of Neurology and Epileptology, Hertie Institute for Clinical Brain Research (J.P.), University of Tübingen, Germany; Children's Hospital (P.F.), Klinikum Reutlingen, Reutlingen; Department of Neurology (C.K.), University Hospital Bonn; Medical Genetic Center (S.K.), Munich; Department of Neurodegeneration (L.S., M.S.), Hertie Institute for Clinical Brain Research, University of Tübingen; German Center for Neurodegenerative Diseases (DZNE) (L.S.), Tübingen; Department of General Pediatrics (F.D.), Neonatology and Pediatric Cardiology, University Children's Hospital, Heinrich-Heine University, Duesseldorf, Germany; Division of Pediatric Neurology (G.M.S.), University Children's Hospital Zurich, Switzerland; Department of Neurology (B.B.), Friedrich-Baur-Institute, Ludwig-Maximilians-University Munich, Germany; Department of Pediatrics (J.A.M.), Salzburg State Hospitals (SALK) and Paracelsus Medical University, Salzburg, Austria; Department of Neurology (A.A.), Friedrich-Baur-Institute, Ludwig-Maximilians-University Munich, Germany; Medical Genetic Center (A.A.), Munich; Institute of Medical Genetics and Applied Genomics (T.B.H.), Tübingen, Germany; Institute of Human Genetics (H.P.), Technische Universität München, Munich, Germany; Institute of Human Genetics (H.P.), Helmholtz Center Munich, Neuherberg, Germany; Department of Pediatrics (S.B.W.), Salzburg State Hospitals (SALK) and Paracelsus Medical University, Salzburg, Austria; Institute of Human Genetics, Technische Universität München, Munich, Germany; Institute of Human Genetics (S.B.W.), Helmholtz Center Munich, Neuherberg, Germany; Center for Medical Genetics (K.M.), and Department of Metabolism, Chiba Children's Hospital, Chiba, Japan; and Department of Neurology (T.K.), Friedrich-Baur-Institute, Ludwig-Maximilians-University Munich; German Center for Neurodegenerative Diseases (DZNE) (T.K.), Munich; Munich Cluster for Systems Neurology (SyNergy) (T.K.), Ludwig Maximilians University Munich, Germany.
  • Haack TB Department of Neurology (C.S.), Friedrich-Baur-Institute, Ludwig-Maximilians-University Munich; German Center for Neurodegenerative Diseases (DZNE), Munich, Germany; Institute of Human Genetics (C.N.), Department of Medical Genetics, University of Göttingen, Germany; Department of Pediatrics (E.F.), Salzburg State Hospitals (SALK) and Paracelsus Medical University; Division of Clinical Genetics Salzburg State Hospitals and Paracelsus Medical University, Salzburg, Austria; Department of Neurology (S.Y., F.F.), Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, China; Mitochondrial Medicine Frontier Program (R.D.G., M.J.F.), Children's Hospital of Philadelphia; Division of Human Genetics (R.D.G.), Department of Pediatrics, University of Pennsylvania Perelman School of Medicine Philadelphia; Department of Pediatrics (R.D.G.), Perelman School of Medicine, University of Pennsylvania; Institute of Medical Genetics and Applied Genomics (J.P.), University of Tübingen, Germany; Department of Neurology and Epileptology, Hertie Institute for Clinical Brain Research (J.P.), University of Tübingen, Germany; Children's Hospital (P.F.), Klinikum Reutlingen, Reutlingen; Department of Neurology (C.K.), University Hospital Bonn; Medical Genetic Center (S.K.), Munich; Department of Neurodegeneration (L.S., M.S.), Hertie Institute for Clinical Brain Research, University of Tübingen; German Center for Neurodegenerative Diseases (DZNE) (L.S.), Tübingen; Department of General Pediatrics (F.D.), Neonatology and Pediatric Cardiology, University Children's Hospital, Heinrich-Heine University, Duesseldorf, Germany; Division of Pediatric Neurology (G.M.S.), University Children's Hospital Zurich, Switzerland; Department of Neurology (B.B.), Friedrich-Baur-Institute, Ludwig-Maximilians-University Munich, Germany; Department of Pediatrics (J.A.M.), Salzburg State Hospitals (SALK) and Paracelsus Medical University, Salzburg, Austria; Department of Neurology (A.A.), Friedrich-Baur-Institute, Ludwig-Maximilians-University Munich, Germany; Medical Genetic Center (A.A.), Munich; Institute of Medical Genetics and Applied Genomics (T.B.H.), Tübingen, Germany; Institute of Human Genetics (H.P.), Technische Universität München, Munich, Germany; Institute of Human Genetics (H.P.), Helmholtz Center Munich, Neuherberg, Germany; Department of Pediatrics (S.B.W.), Salzburg State Hospitals (SALK) and Paracelsus Medical University, Salzburg, Austria; Institute of Human Genetics, Technische Universität München, Munich, Germany; Institute of Human Genetics (S.B.W.), Helmholtz Center Munich, Neuherberg, Germany; Center for Medical Genetics (K.M.), and Department of Metabolism, Chiba Children's Hospital, Chiba, Japan; and Department of Neurology (T.K.), Friedrich-Baur-Institute, Ludwig-Maximilians-University Munich; German Center for Neurodegenerative Diseases (DZNE) (T.K.), Munich; Munich Cluster for Systems Neurology (SyNergy) (T.K.), Ludwig Maximilians University Munich, Germany.
  • Prokisch H Department of Neurology (C.S.), Friedrich-Baur-Institute, Ludwig-Maximilians-University Munich; German Center for Neurodegenerative Diseases (DZNE), Munich, Germany; Institute of Human Genetics (C.N.), Department of Medical Genetics, University of Göttingen, Germany; Department of Pediatrics (E.F.), Salzburg State Hospitals (SALK) and Paracelsus Medical University; Division of Clinical Genetics Salzburg State Hospitals and Paracelsus Medical University, Salzburg, Austria; Department of Neurology (S.Y., F.F.), Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, China; Mitochondrial Medicine Frontier Program (R.D.G., M.J.F.), Children's Hospital of Philadelphia; Division of Human Genetics (R.D.G.), Department of Pediatrics, University of Pennsylvania Perelman School of Medicine Philadelphia; Department of Pediatrics (R.D.G.), Perelman School of Medicine, University of Pennsylvania; Institute of Medical Genetics and Applied Genomics (J.P.), University of Tübingen, Germany; Department of Neurology and Epileptology, Hertie Institute for Clinical Brain Research (J.P.), University of Tübingen, Germany; Children's Hospital (P.F.), Klinikum Reutlingen, Reutlingen; Department of Neurology (C.K.), University Hospital Bonn; Medical Genetic Center (S.K.), Munich; Department of Neurodegeneration (L.S., M.S.), Hertie Institute for Clinical Brain Research, University of Tübingen; German Center for Neurodegenerative Diseases (DZNE) (L.S.), Tübingen; Department of General Pediatrics (F.D.), Neonatology and Pediatric Cardiology, University Children's Hospital, Heinrich-Heine University, Duesseldorf, Germany; Division of Pediatric Neurology (G.M.S.), University Children's Hospital Zurich, Switzerland; Department of Neurology (B.B.), Friedrich-Baur-Institute, Ludwig-Maximilians-University Munich, Germany; Department of Pediatrics (J.A.M.), Salzburg State Hospitals (SALK) and Paracelsus Medical University, Salzburg, Austria; Department of Neurology (A.A.), Friedrich-Baur-Institute, Ludwig-Maximilians-University Munich, Germany; Medical Genetic Center (A.A.), Munich; Institute of Medical Genetics and Applied Genomics (T.B.H.), Tübingen, Germany; Institute of Human Genetics (H.P.), Technische Universität München, Munich, Germany; Institute of Human Genetics (H.P.), Helmholtz Center Munich, Neuherberg, Germany; Department of Pediatrics (S.B.W.), Salzburg State Hospitals (SALK) and Paracelsus Medical University, Salzburg, Austria; Institute of Human Genetics, Technische Universität München, Munich, Germany; Institute of Human Genetics (S.B.W.), Helmholtz Center Munich, Neuherberg, Germany; Center for Medical Genetics (K.M.), and Department of Metabolism, Chiba Children's Hospital, Chiba, Japan; and Department of Neurology (T.K.), Friedrich-Baur-Institute, Ludwig-Maximilians-University Munich; German Center for Neurodegenerative Diseases (DZNE) (T.K.), Munich; Munich Cluster for Systems Neurology (SyNergy) (T.K.), Ludwig Maximilians University Munich, Germany.
  • Wortmann SB Department of Neurology (C.S.), Friedrich-Baur-Institute, Ludwig-Maximilians-University Munich; German Center for Neurodegenerative Diseases (DZNE), Munich, Germany; Institute of Human Genetics (C.N.), Department of Medical Genetics, University of Göttingen, Germany; Department of Pediatrics (E.F.), Salzburg State Hospitals (SALK) and Paracelsus Medical University; Division of Clinical Genetics Salzburg State Hospitals and Paracelsus Medical University, Salzburg, Austria; Department of Neurology (S.Y., F.F.), Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, China; Mitochondrial Medicine Frontier Program (R.D.G., M.J.F.), Children's Hospital of Philadelphia; Division of Human Genetics (R.D.G.), Department of Pediatrics, University of Pennsylvania Perelman School of Medicine Philadelphia; Department of Pediatrics (R.D.G.), Perelman School of Medicine, University of Pennsylvania; Institute of Medical Genetics and Applied Genomics (J.P.), University of Tübingen, Germany; Department of Neurology and Epileptology, Hertie Institute for Clinical Brain Research (J.P.), University of Tübingen, Germany; Children's Hospital (P.F.), Klinikum Reutlingen, Reutlingen; Department of Neurology (C.K.), University Hospital Bonn; Medical Genetic Center (S.K.), Munich; Department of Neurodegeneration (L.S., M.S.), Hertie Institute for Clinical Brain Research, University of Tübingen; German Center for Neurodegenerative Diseases (DZNE) (L.S.), Tübingen; Department of General Pediatrics (F.D.), Neonatology and Pediatric Cardiology, University Children's Hospital, Heinrich-Heine University, Duesseldorf, Germany; Division of Pediatric Neurology (G.M.S.), University Children's Hospital Zurich, Switzerland; Department of Neurology (B.B.), Friedrich-Baur-Institute, Ludwig-Maximilians-University Munich, Germany; Department of Pediatrics (J.A.M.), Salzburg State Hospitals (SALK) and Paracelsus Medical University, Salzburg, Austria; Department of Neurology (A.A.), Friedrich-Baur-Institute, Ludwig-Maximilians-University Munich, Germany; Medical Genetic Center (A.A.), Munich; Institute of Medical Genetics and Applied Genomics (T.B.H.), Tübingen, Germany; Institute of Human Genetics (H.P.), Technische Universität München, Munich, Germany; Institute of Human Genetics (H.P.), Helmholtz Center Munich, Neuherberg, Germany; Department of Pediatrics (S.B.W.), Salzburg State Hospitals (SALK) and Paracelsus Medical University, Salzburg, Austria; Institute of Human Genetics, Technische Universität München, Munich, Germany; Institute of Human Genetics (S.B.W.), Helmholtz Center Munich, Neuherberg, Germany; Center for Medical Genetics (K.M.), and Department of Metabolism, Chiba Children's Hospital, Chiba, Japan; and Department of Neurology (T.K.), Friedrich-Baur-Institute, Ludwig-Maximilians-University Munich; German Center for Neurodegenerative Diseases (DZNE) (T.K.), Munich; Munich Cluster for Systems Neurology (SyNergy) (T.K.), Ludwig Maximilians University Munich, Germany.
  • Murayama K Department of Neurology (C.S.), Friedrich-Baur-Institute, Ludwig-Maximilians-University Munich; German Center for Neurodegenerative Diseases (DZNE), Munich, Germany; Institute of Human Genetics (C.N.), Department of Medical Genetics, University of Göttingen, Germany; Department of Pediatrics (E.F.), Salzburg State Hospitals (SALK) and Paracelsus Medical University; Division of Clinical Genetics Salzburg State Hospitals and Paracelsus Medical University, Salzburg, Austria; Department of Neurology (S.Y., F.F.), Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, China; Mitochondrial Medicine Frontier Program (R.D.G., M.J.F.), Children's Hospital of Philadelphia; Division of Human Genetics (R.D.G.), Department of Pediatrics, University of Pennsylvania Perelman School of Medicine Philadelphia; Department of Pediatrics (R.D.G.), Perelman School of Medicine, University of Pennsylvania; Institute of Medical Genetics and Applied Genomics (J.P.), University of Tübingen, Germany; Department of Neurology and Epileptology, Hertie Institute for Clinical Brain Research (J.P.), University of Tübingen, Germany; Children's Hospital (P.F.), Klinikum Reutlingen, Reutlingen; Department of Neurology (C.K.), University Hospital Bonn; Medical Genetic Center (S.K.), Munich; Department of Neurodegeneration (L.S., M.S.), Hertie Institute for Clinical Brain Research, University of Tübingen; German Center for Neurodegenerative Diseases (DZNE) (L.S.), Tübingen; Department of General Pediatrics (F.D.), Neonatology and Pediatric Cardiology, University Children's Hospital, Heinrich-Heine University, Duesseldorf, Germany; Division of Pediatric Neurology (G.M.S.), University Children's Hospital Zurich, Switzerland; Department of Neurology (B.B.), Friedrich-Baur-Institute, Ludwig-Maximilians-University Munich, Germany; Department of Pediatrics (J.A.M.), Salzburg State Hospitals (SALK) and Paracelsus Medical University, Salzburg, Austria; Department of Neurology (A.A.), Friedrich-Baur-Institute, Ludwig-Maximilians-University Munich, Germany; Medical Genetic Center (A.A.), Munich; Institute of Medical Genetics and Applied Genomics (T.B.H.), Tübingen, Germany; Institute of Human Genetics (H.P.), Technische Universität München, Munich, Germany; Institute of Human Genetics (H.P.), Helmholtz Center Munich, Neuherberg, Germany; Department of Pediatrics (S.B.W.), Salzburg State Hospitals (SALK) and Paracelsus Medical University, Salzburg, Austria; Institute of Human Genetics, Technische Universität München, Munich, Germany; Institute of Human Genetics (S.B.W.), Helmholtz Center Munich, Neuherberg, Germany; Center for Medical Genetics (K.M.), and Department of Metabolism, Chiba Children's Hospital, Chiba, Japan; and Department of Neurology (T.K.), Friedrich-Baur-Institute, Ludwig-Maximilians-University Munich; German Center for Neurodegenerative Diseases (DZNE) (T.K.), Munich; Munich Cluster for Systems Neurology (SyNergy) (T.K.), Ludwig Maximilians University Munich, Germany.
  • Fang F Department of Neurology (C.S.), Friedrich-Baur-Institute, Ludwig-Maximilians-University Munich; German Center for Neurodegenerative Diseases (DZNE), Munich, Germany; Institute of Human Genetics (C.N.), Department of Medical Genetics, University of Göttingen, Germany; Department of Pediatrics (E.F.), Salzburg State Hospitals (SALK) and Paracelsus Medical University; Division of Clinical Genetics Salzburg State Hospitals and Paracelsus Medical University, Salzburg, Austria; Department of Neurology (S.Y., F.F.), Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, China; Mitochondrial Medicine Frontier Program (R.D.G., M.J.F.), Children's Hospital of Philadelphia; Division of Human Genetics (R.D.G.), Department of Pediatrics, University of Pennsylvania Perelman School of Medicine Philadelphia; Department of Pediatrics (R.D.G.), Perelman School of Medicine, University of Pennsylvania; Institute of Medical Genetics and Applied Genomics (J.P.), University of Tübingen, Germany; Department of Neurology and Epileptology, Hertie Institute for Clinical Brain Research (J.P.), University of Tübingen, Germany; Children's Hospital (P.F.), Klinikum Reutlingen, Reutlingen; Department of Neurology (C.K.), University Hospital Bonn; Medical Genetic Center (S.K.), Munich; Department of Neurodegeneration (L.S., M.S.), Hertie Institute for Clinical Brain Research, University of Tübingen; German Center for Neurodegenerative Diseases (DZNE) (L.S.), Tübingen; Department of General Pediatrics (F.D.), Neonatology and Pediatric Cardiology, University Children's Hospital, Heinrich-Heine University, Duesseldorf, Germany; Division of Pediatric Neurology (G.M.S.), University Children's Hospital Zurich, Switzerland; Department of Neurology (B.B.), Friedrich-Baur-Institute, Ludwig-Maximilians-University Munich, Germany; Department of Pediatrics (J.A.M.), Salzburg State Hospitals (SALK) and Paracelsus Medical University, Salzburg, Austria; Department of Neurology (A.A.), Friedrich-Baur-Institute, Ludwig-Maximilians-University Munich, Germany; Medical Genetic Center (A.A.), Munich; Institute of Medical Genetics and Applied Genomics (T.B.H.), Tübingen, Germany; Institute of Human Genetics (H.P.), Technische Universität München, Munich, Germany; Institute of Human Genetics (H.P.), Helmholtz Center Munich, Neuherberg, Germany; Department of Pediatrics (S.B.W.), Salzburg State Hospitals (SALK) and Paracelsus Medical University, Salzburg, Austria; Institute of Human Genetics, Technische Universität München, Munich, Germany; Institute of Human Genetics (S.B.W.), Helmholtz Center Munich, Neuherberg, Germany; Center for Medical Genetics (K.M.), and Department of Metabolism, Chiba Children's Hospital, Chiba, Japan; and Department of Neurology (T.K.), Friedrich-Baur-Institute, Ludwig-Maximilians-University Munich; German Center for Neurodegenerative Diseases (DZNE) (T.K.), Munich; Munich Cluster for Systems Neurology (SyNergy) (T.K.), Ludwig Maximilians University Munich, Germany.
  • Klopstock T Department of Neurology (C.S.), Friedrich-Baur-Institute, Ludwig-Maximilians-University Munich; German Center for Neurodegenerative Diseases (DZNE), Munich, Germany; Institute of Human Genetics (C.N.), Department of Medical Genetics, University of Göttingen, Germany; Department of Pediatrics (E.F.), Salzburg State Hospitals (SALK) and Paracelsus Medical University; Division of Clinical Genetics Salzburg State Hospitals and Paracelsus Medical University, Salzburg, Austria; Department of Neurology (S.Y., F.F.), Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, China; Mitochondrial Medicine Frontier Program (R.D.G., M.J.F.), Children's Hospital of Philadelphia; Division of Human Genetics (R.D.G.), Department of Pediatrics, University of Pennsylvania Perelman School of Medicine Philadelphia; Department of Pediatrics (R.D.G.), Perelman School of Medicine, University of Pennsylvania; Institute of Medical Genetics and Applied Genomics (J.P.), University of Tübingen, Germany; Department of Neurology and Epileptology, Hertie Institute for Clinical Brain Research (J.P.), University of Tübingen, Germany; Children's Hospital (P.F.), Klinikum Reutlingen, Reutlingen; Department of Neurology (C.K.), University Hospital Bonn; Medical Genetic Center (S.K.), Munich; Department of Neurodegeneration (L.S., M.S.), Hertie Institute for Clinical Brain Research, University of Tübingen; German Center for Neurodegenerative Diseases (DZNE) (L.S.), Tübingen; Department of General Pediatrics (F.D.), Neonatology and Pediatric Cardiology, University Children's Hospital, Heinrich-Heine University, Duesseldorf, Germany; Division of Pediatric Neurology (G.M.S.), University Children's Hospital Zurich, Switzerland; Department of Neurology (B.B.), Friedrich-Baur-Institute, Ludwig-Maximilians-University Munich, Germany; Department of Pediatrics (J.A.M.), Salzburg State Hospitals (SALK) and Paracelsus Medical University, Salzburg, Austria; Department of Neurology (A.A.), Friedrich-Baur-Institute, Ludwig-Maximilians-University Munich, Germany; Medical Genetic Center (A.A.), Munich; Institute of Medical Genetics and Applied Genomics (T.B.H.), Tübingen, Germany; Institute of Human Genetics (H.P.), Technische Universität München, Munich, Germany; Institute of Human Genetics (H.P.), Helmholtz Center Munich, Neuherberg, Germany; Department of Pediatrics (S.B.W.), Salzburg State Hospitals (SALK) and Paracelsus Medical University, Salzburg, Austria; Institute of Human Genetics, Technische Universität München, Munich, Germany; Institute of Human Genetics (S.B.W.), Helmholtz Center Munich, Neuherberg, Germany; Center for Medical Genetics (K.M.), and Department of Metabolism, Chiba Children's Hospital, Chiba, Japan; and Department of Neurology (T.K.), Friedrich-Baur-Institute, Ludwig-Maximilians-University Munich; German Center for Neurodegenerative Diseases (DZNE) (T.K.), Munich; Munich Cluster for Systems Neurology (SyNergy) (T.K.), Ludwig Maximilians University Munich, Germany.
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  • 2020-02-12
Published in:
  • Neurology. Genetics. - 2020
English Objective
To delineate the phenotypic and genotypic spectrum in carriers of mitochondrial MT-ATP6 mutations in a large international cohort.


Methods
We analyzed in detail the clinical, genetical, and neuroimaging data from 132 mutation carriers from national registries and local databases from Europe, USA, Japan, and China.


Results
We identified 113 clinically affected and 19 asymptomatic individuals with a known pathogenic MT-ATP6 mutation. The most frequent mutations were m.8993 T > G (53/132, 40%), m.8993 T > C (30/132, 23%), m.9176 T > C (30/132, 23%), and m.9185 T > C (12/132, 9%). The degree of heteroplasmy was high both in affected (mean 95%, range 20%-100%) and unaffected individuals (mean 73%, range 20%-100%). Age at onset ranged from prenatal to the age of 75 years, but almost half of the patients (49/103, 48%) became symptomatic before their first birthday. In 28 deceased patients, the median age of death was 14 months. The most frequent symptoms were ataxia (81%), cognitive dysfunction (49%), neuropathy (48%), seizures (37%), and retinopathy (14%). A diagnosis of Leigh syndrome was made in 55% of patients, whereas the classic syndrome of neuropathy, ataxia, and retinitis pigmentosa (NARP) was rare (8%).


Conclusions
In this currently largest series of patients with mitochondrial MT-ATP6 mutations, the phenotypic spectrum ranged from asymptomatic to early onset multisystemic neurodegeneration. The degree of mutation heteroplasmy did not reliably predict disease severity. Leigh syndrome was found in more than half of the patients, whereas classic NARP syndrome was rare. Oligosymptomatic presentations were rather frequent in adult-onset patients, indicating the need to include MT-ATP6 mutations in the differential diagnosis of both ataxias and neuropathies.
Language
  • English
Open access status
gold
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https://sonar.ch/global/documents/226092
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