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Volume 6, Number 3, June 2020 Neurology.org/NG A peer-reviewed clinical and translational neurology open access journal ARTICLE Neurologic outcomes in Friedreich ataxia: Study of a single-site cohort e415 ARTICLE Prevalence of RFC1-mediated spinocerebellar ataxia in a North American ataxia cohort e440 ARTICLE Mutations in the m-AAA proteases AFG3L2 and SPG7 are causing isolated dominant optic atrophy e428 ARTICLE Cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy revisited: Genotype-phenotype correlations of all published cases e434

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Page 1: LWW NNG NNGcover 6 3 - ng.neurology.org › content › nng › 6 › 3.toc.pdf · Neurology® Genetics (eISSN 2376-7839) is an open access journal published online for the American

Volume 6, Number 3, June 2020Neurology.org/NG

A peer-reviewed clinical and translational neurology open access journal

ARTICLE

Neurologic outcomes in Friedreich ataxia: Study of a single-site cohort e415

ARTICLE

Prevalence of RFC1-mediated spinocerebellar ataxia in a North American ataxia cohort e440

ARTICLE

Mutations in the m-AAA proteases AFG3L2 and SPG7 are causing isolated dominant optic atrophy e428

ARTICLE

Cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy revisited: Genotype-phenotype correlations of all published cases e434

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Academy OfficersJames C. Stevens, MD, FAAN, PresidentOrly Avitzur, MD, MBA, FAAN, President ElectAnn H. Tilton, MD, FAAN, Vice PresidentCarlayne E. Jackson, MD, FAAN, SecretaryJanis M. Miyasaki, MD, MEd, FRCPC, FAAN, TreasurerRalph L. Sacco, MD, MS, FAAN, Past President

CEO, American Academy of NeurologyMary E. Post, MBA, CAEChief Executive Officer20l Chicago AveMinneapolis, MN 55415Tel: 612-928-6000

Editorial OfficePatricia K. Baskin, MS, Executive EditorRachel A. Anderson, Administrative Assistant

Morgan S. Sorenson, Managing EditorNeurology® Neuroimmunology & NeuroinflammationNeurology® Genetics

Kathleen M. Pieper, Senior Managing Editor, Neurology®Karen Skaja, Senior Editorial CoordinatorSkyler M. Kane, Editorial CoordinatorMargaret A. Rei, Editorial Coordinator

Lee Ann Kleffman, Managing Editor, Neurology® Clinical Practice

Andrea Rahkola, Production EditorKristen Swendsrud, Production Coordinator

Sharon L. Quimby, Digital Managing EditorKaitlyn Aman Ramm, Digital Multimedia/Graphics CoordinatorJustin Daugherty, Digital Multimedia/Podcast CoordinatorMadeleine Sendek, MPH, Digital Marketing Communications Coordinator

PublisherWolters KluwerBaltimore, MD

Publishing StaffSarah Carrera, MBA, Executive PublisherJessica Heise, Production Team Leader, Neurology JournalsMegen Miller, Production EditorSteve Rose, Editorial AssistantStacy Drossner, Production Associate

Neurology® is a registered trademark of the American Academy of Neurology(registration valid in the United States).

Neurology® Genetics (eISSN 2376-7839) is an open access journal publishedonline for the American Academy of Neurology, 201 Chicago Avenue,Minneapolis, MN 55415, by Wolters Kluwer Health, Inc. at 14700 CiticorpDrive, Bldg. 3, Hagerstown, MD 21742. Business offices are located at TwoCommerce Square, 2001 Market Street, Philadelphia, PA 19103. Productionoffices are located at 351 West Camden Street, Baltimore, MD 21201-2436.© 2020 American Academy of Neurology.

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A peer-reviewed clinical and translational neurology open access journal Neurology.org/NG

Neurology® Genetics

EditorStefan M. Pulst, MD, Dr med, FAAN

Deputy EditorMassimo Pandolfo, MD, FAAN

Associate EditorsAlexandra Durr, MD, PhDSuman Jayadev, MDMargherita Milone, MD, PhDRaymond P. Roos, MD, FAAN

Editorial BoardHilaryCoon, PhDGiovanniCoppola,MDChantalDepondt,MD,PhDBrentL. Fogel,MD,PhD,FAANAnthony J.Griswold, PhDOrhunH.Kantarci,MDJulieR.Korenberg, PhD,MDDavidePareyson,MDShojiTsuji,MD,PhDDinekeS. Verbeek, PhDDavidViskochil,MD,PhDJulianeWinkelmann,MDJuan I. Young, PhD

Neurology® Journals

Editor-in-ChiefJose G. Merino, MD, MPhil, FAAN

Deputy EditorOlga Ciccarelli, MD, PhD, FRCP

Section Editors

BiostatisticsRichard J. Kryscio, PhDSue Leurgans, PhDV. Shane Pankratz, PhD

Classification of Evidence EvaluationsGary S. Gronseth, MD, FAAN

Equity, Diversity, & Inclusion (EDI)Roy H. Hamilton, MD, MS, FAANHolly E. Hinson, MD, MCR, FAAN

PodcastsStacey L. Clardy, MD, PhD, FAANJeffrey B. Ratliff, MD, Deputy Podcast Editor

OmbudsmanJonathan W. Mink, MD, PhD, FAAN

Scientific Integrity AdvisorDavid S. Knopman, MD, FAAN

Classification of EvidenceReview Team

Melissa J. Armstrong,MDRichardL.Barbano,MD,PhD,FAANRichardM.Dubinsky,MD,MPH,FAANJeffrey J. Fletcher,MD,MScGaryM.Franklin,MD,MPH,FAANDavid S.Gloss II,MD,MPH&TMJohn J.Halperin,MD,FAANJasonLazarou,MSc,MDStevenR.Messe, MD, FAANPushpaNarayanaswami,MBBS,DM,

FAANAlexRae-Grant,MD

Vision Neurology®: Genetics will be the premier peer-reviewed journal in the field of neurogenetics.

Mission Neurology: Genetics will provide neurologistsand clinical research scientists withoutstanding peer-reviewed articles,editorials, and reviews to elucidate the roleof genetic and epigenetic variations indiseases and biological traits of the centraland peripheral nervous systems.

EditorialInquiries

Tel: 612-928-6400Toll-free: 800-957-3182 (US)Fax: [email protected]

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TABLE OF CONTENTS Volume 6, Number 3, June, 2020 Neurology.org/NG

The Helix

e438 The Helix: Editorial ChangesS.M. Pulst

Open Access

Editorial

e436 Intronic pentanucleotide expansion in the replicationfactor 1 gene (RFC1) is amajor cause of adult-onsetataxiaS.M. Boesch and M.A. Nance

Open Access

Articles

e414 Neuraxial dysraphism in EPAS1-associated syndromedue to improper mesenchymal transitionJ.S. Rosenblum, A.J. Cappadona, D.P. Argersinger, Y. Pang, H.Wang,M.A. Nazari, J.P. Munasinghe, D.R. Donahue, A. Jha,J.G. Smirniotopoulos, M.M. Miettinen, R.H. Knutsen, B.A. Kozel,Z. Zhuang, K. Pacak, and J.D. Heiss

Open Access

e415 Neurologic outcomes in Friedreich ataxia: Study ofa single-site cohortM. Pandolfo

Open Access

e416 Polygenic risk scores of several subtypes of epilepsiesin a founder populationC. Moreau, R.-M. Rebillard, S. Wolking, J. Michaud, F. Tremblay,A. Girard, J. Bouchard, B. Minassian, C. Laprise, P. Cossette, andS.L. Girard

Open Access

e417 Clinical and pathologic phenotype of a large familywith heterozygous STUB1 mutationM.O. Mol, J.G.J. van Rooij, E. Brusse, A.J.M.H. Verkerk, S. Melhem,W.F.A. den Dunnen, P. Rizzu, C. Cupidi, J.C. van Swieten, andL. Donker Kaat

Open Access

e418 Acute encephalopathy after head trauma in a patientwith a RHOBTB2 mutationA.C.S. Knijnenburg, J. Nicolai, L.A. Bok, A. Bay, A.P.A. Stegmann,M. Sinnema, and M. Vreeburg

Open Access

e420 Cerebellar ataxia, neuropathy, hearing loss, andintellectual disability due to AIFM1 mutationM. Pandolfo, M. Rai, G. Remiche, L. Desmyter, and I. Vandernoot

Open Access

e424 TGM6 L517W is not a pathogenic variant forspinocerebellar ataxia type 35Y. Chen, D. Wu, B. Luo, G. Zhao, and K. Wang

Open Access

e425 Expanding the phenotypic and molecular spectrum ofRNA polymerase III–related leukodystrophyS. Perrier, L. Gauquelin, C. Fallet-Bianco, M.K. Dishop,M.A. Michell-Robinson, L.T. Tran, K. Guerrero, L. Darbelli, M. Srour,K. Petrecca, D.L. Renaud, M. Saito, S. Cohen, S. Leiz, B. Alhaddad,T.B. Haack, I. Tejera-Martin, F.I. Monton, N. Rodriguez-Espinosa,D. Pohl, S. Nageswaran, A. Grefe, E. Glamuzina, and G. Bernard

Open Access

e426 Phenotypic variability in chorea-acanthocytosisassociated with novel VPS13A mutationsV. Niemela, A. Salih, D. Solea, B. Lindvall, J. Weinberg,G. Miltenberger, T. Granberg, A. Tzovla, L. Nordin, T. Danfors,I. Savitcheva, N. Dahl, and M. Paucar

Open Access

e428 Mutations in the m-AAA proteases AFG3L2and SPG7 are causing isolated dominant opticatrophyM. Charif, A. Chevrollier, N. Gueguen, C. Bris, D. Goudenege,V. Desquiret-Dumas, S. Leruez, E. Colin, A. Meunier, C. Vignal,V. Smirnov, S. Defoort-Dhellemmes, I. Drumare Bouvet,C. Goizet, M. Votruba, N. Jurkute, P. Yu-Wai-Man, F. Tagliavini,L. Caporali, C. La Morgia, V. Carelli, V. Procaccio, X. Zanlonghi,I. Meunier, P. Reynier, D. Bonneau, P. Amati-Bonneau, andG. Lenaers

Open Access

e430 Genotyping single nucleotide polymorphisms forallele-selective therapy in Huntington diseaseD.O. Claassen, J. Corey-Bloom, E.R. Dorsey, M. Edmondson,S.K. Kostyk, M.S. LeDoux, R. Reilmann, H.D. Rosas, F. Walker,V. Wheelock, N. Svrzikapa, K.A. Longo, J. Goyal, S. Hung, andM.A. Panzara

Open Access

e440 Prevalence of RFC1-mediated spinocerebellar ataxiain a North American ataxia cohortD. Aboud Syriani, D. Wong, S. Andani, C.M. De Gusmao, Y. Mao,M. Sanyoura, G. Glotzer, P.J. Lockhart, S. Hassin-Baer, V. Khurana,C.M. Gomez, S. Perlman, S. Das, and B.L. Fogel

Open Access

Clinical/Scientific Notes

e423 Biallelic LINE insertion mutation in HACD1 causingcongenital myopathyF. Al Amrani, C. Gorodetsky, L.-N. Hazrati, K. Amburgey,H.D. Gonorazky, and J.J. Dowling

Open Access

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e432 Expanding the phenotype ofMTOR-related disordersand the Smith-Kingsmore syndromeA. Elizondo-Plazas, M. Ibarra-Ramırez, A. Garza-Baez, andL.E. Martınez-de-Villarreal

Open Access

Views and Reviews

e434 Cerebral autosomal dominant arteriopathy withsubcortical infarcts and leukoencephalopathyrevisited: Genotype-phenotype correlations of allpublished casesG. Xiromerisiou, C. Marogianni, K. Dadouli, C. Zompola,D. Georgouli, A. Provatas, A. Theodorou, P. Zervas, C. Nikolaidou,S. Stergiou, P. Ntellas, M. Sokratous, P. Stathis, G.P. Paraskevas,A. Bonakis, K. Voumvourakis, C. Hadjichristodoulou,G.M. Hadjigeorgiou, and G. Tsivgoulis

Open Access

Cover imageEx vivo Micro-CT of EPAS1-gain-of-function Transgenic MouseModel demonstrating faulty ossification of the posterior elements ofthe cervical and thoracic spine, specifically the spinous process; thetransverse processes are similarly hypodense and there isa dysraphism of T1.See e414

TABLE OF CONTENTS Volume 6, Number 3, June, 2020 Neurology.org/NG

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2020;6; Neurol Genet 6 (3)

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