• Erin L Heinzen, Alexis Arzimanoglou, Allison Brashear, Steven J Clapcote, Fiorella Gurrieri, David B Goldstein, Sigurður H Jóhannesson, Mohamad A Mikati, Brian Neville, Sophie Nicole, Laurie J Ozelius, Hanne Poulsen, Tsveta Schyns, Kathleen J Sweadner, Arn van den Maagdenberg, Bente Vilsen, and ATP1A3 Working Group.
• Center for Human Genome Variation, Duke University, School of Medicine, Durham, NC, USA; Department of Medicine, Section of Medical Genetics, Duke University, School of Medicine, Durham, NC, USA. Electronic address: e.heinzen@duke.edu.
• Lancet Neurol. 2014 May 1; 13 (5): 503-14.

AbstractGenetic research has shown that mutations that modify the protein-coding sequence of ATP1A3, the gene encoding the α3 subunit of Na(+)/K(+)-ATPase, cause both rapid-onset dystonia parkinsonism and alternating hemiplegia of childhood. These discoveries link two clinically distinct neurological diseases to the same gene, however, ATP1A3 mutations are, with one exception, disease-specific. Although the exact mechanism of how these mutations lead to disease is still unknown, much knowledge has been gained about functional consequences of ATP1A3 mutations using a range of in-vitro and animal model systems, and the role of Na(+)/K(+)-ATPases in the brain. Researchers and clinicians are attempting to further characterise neurological manifestations associated with mutations in ATP1A3, and to build on the existing molecular knowledge to understand how specific mutations can lead to different diseases. Copyright © 2014 Elsevier Ltd. All rights reserved.

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