Cited by 138Epilepsy research and treatmentGlycogen Storage Diseases and MyoclonusMetabolism and Genetic Disorders

Glucose Transporter 1 Deficiency as a Treatable Cause of Myoclonic Astatic Epilepsy

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Mullen, Saul A., Marini, Carla, Suls, Arvid, Mei, Davide, Della Giustina, Elvio, Buti, Daniela, Arsov, Todor, Damiano, John +5 more·2011·Archives of Neurology

Abstract

Objective: To determine if a significant proportion of patients with myoclonic-astatic epilepsy (MAE) have glucose transporter 1 (GLUT1) deficiency. Design: Genetic analysis. Setting: Ambulatory and hospitalized care. Patients: Eighty-four unrelated probands with MAE were phenotyped and SLC2A1 was sequenced and analyzed by multiplex ligation-dependent probe amplification. Any identified mutations were then screened in controls. Main Outcome Measure: Any SLC2A1 mutations. Results: Four of 84 probands with MAE had a mutation of SLC2A1 on sequencing. Multiplex ligation-dependent probe amplification analysis did not reveal any genomic rearrangements in 75 of the remaining cases; 5 could not be tested. Two patients with MAE with SLC2A1 mutations also developed paroxysmal exertional dyskinesia in childhood. Conclusions: Five percent of our patients with MAE had SLC2A1 mutations, suggesting that patients with MAE should be tested for GLUT1 deficiency. Diagnosis of GLUT1 deficiency is a strong indication for early use of the ketogenic diet, which may substantially improve outcome of this severe disorder.

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  • Heterozygous LOF variants in SLC2A1 encoding GLUT1 cause early onset absence epilepsy, ataxia, epilepsy with myoclonic-atonic seizures, and exercise-induced dyskinesia.

    “Heterozygous LOF variants in SLC2A1 encoding GLUT1, the major glucose transporter at the blood-brain barrier, cause early onset absence epilepsy, ataxia, epilepsy with myoclonic-atonic seizures, and exercise-induced dyskinesia 93 .”

    From Developmental and epileptic encephalopathies (2024) · cites this paper as [93]

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Research works printed but not linked: 1

  1. [1]1. Commission on Classification and Terminology of the International League Against Epilepsy. Proposal for revised classification of epilepsies and epileptic syndromes. Epilepsia. 1989;30(4):389-399.

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Authors
Mullen, S. A., Marini, C., Suls, A., Mei, D., Della Giustina, E., Buti, D., Arsov, T., Damiano, J., Lawrence, K., De Jonghe, P., Berkovic, S. F., Scheffer, I. E., & Guerrini, R.
Affiliations
  • The University of Melbourne (AU)
  • Royal Children's Hospital (AU)
Corresponding author
Guerrini, Renzo
Venue
Archives of Neurology
Published
2011-09-01
Volume
68
Issue
9
Pages
1152
ISSN
0003-9942 (ISSN-L)
OpenAlex
W2133660627
Cited by
138
References
21
Citations by year
2026: 5 · 2025: 4 · 2024: 4 · 2023: 2 · 2022: 7 · 2021: 6 · 2020: 7 · 2019: 10 · 2018: 11 · 2017: 15 · 2016: 12 · 2015: 12 · 2014: 18 · 2013: 10 · 2012: 11
FWCI
9.18
Type
journal article
Language
en
Open access
Locations
  • Archives of Neurology (publishedVersion)
  • PubMed (publishedVersion)
  • Florence Research (University of Florence) (submittedVersion)
  • INFM-OAR (INFN Catania) (submittedVersion, other-oa)
  • Zenodo (CERN European Organization for Nuclear Research) (other-oa)
Funders
  • American Epilepsy Society
  • Jack Brockhoff Foundation
  • Danish Cancer Society Research Center
  • European Commission
  • University of Melbourne
  • Vlaamse regering
  • Epilepsy Society
  • Shepherd Foundation
  • Medical Research Council
  • National Health and Medical Research Council
  • Health Research Council of New Zealand
Topics
  • Health Sciences › Medicine › Psychiatry and Mental health › Epilepsy research and treatment
  • Health Sciences › Medicine › Rheumatology › Glycogen Storage Diseases and Myoclonus
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Clinical Biochemistry › Metabolism and Genetic Disorders
Keywords
myoclonic-astatic epilepsy, GLUT1 deficiency syndrome, glucose transporter 1, ketogenic diet, genetic diagnosis
MeSH terms
Adolescent, Adult, Child, Child, Preschool, Epilepsies, Myoclonic, Humans, Male, Mutation, Severity of Illness Index, Cohort Studies, Treatment Outcome, Glucose Transporter Type 1, Diet, Ketogenic

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