ATPase Na+/K+ transporting subunit alpha 3
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The ATP1A3 gene provides instructions for making one part (the alpha-3 subunit) of a protein known as Na+/K+ ATPase or the sodium pump. This protein uses energy from a molecule called adenosine triphosphate (ATP) to transport charged atoms (ions) into and out of cells. Specifically, it pumps sodium ions (Na+) out of cells and potassium ions (K+) into cells.
Normal function
The ATP1A3 gene provides instructions for making one part (the alpha-3 subunit) of a protein known as Na+/K+ ATPase or the sodium pump. This protein uses energy from a molecule called adenosine triphosphate (ATP) to transport charged atoms (ions) into and out of cells. Specifically, it pumps sodium ions (Na+) out of cells and potassium ions (K+) into cells.
Na+/K+ ATPases that include the alpha-3 subunit are critical for normal function of nerve cells in the brain (neurons). The movement of sodium and potassium ions helps regulate the electrical activity of these cells and plays an important role in the signaling process that controls muscle movement. The activity of Na+/K+ ATPase also helps regulate cell size (volume).
Additionally, Na+/K+ ATPase helps regulate a process called neurotransmitter reuptake. Neurotransmitters are chemical messengers that transmit signals from one neuron to another. After a neurotransmitter has had its effect, it must be removed quickly from the space between the neurons. The reuptake of neurotransmitters is carefully controlled to ensure that signals are sent and received accurately throughout the nervous system.
Conditions referring to this gene or chromosome
Altri nomi
AT1A3_HUMAN
ATPase, Na+/K+ transporting, alpha 3 polypeptide
Na+/K+ -ATPase alpha 3 subunit
Na+/K+ ATPase 3
sodium pump 3
sodium-potassium-ATPase, alpha 3 polypeptide
sodium/potassium-transporting ATPase alpha-3 chain
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Ulteriori letture e riferimenti
- ATPase Na+/K+ transporting subunit alpha 3; MedlinePlus, National Library of Medicine.
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- Brashear A, Dobyns WB, de Carvalho Aguiar P, Borg M, Frijns CJ, Gollamudi S, Green A, Guimaraes J, Haake BC, Klein C, Linazasoro G, Munchau A, Raymond D, Riley D, Saunders-Pullman R, Tijssen MA, Webb D, Zaremba J, Bressman SB, Ozelius LJ. The phenotypic spectrum of rapid-onset dystonia-parkinsonism (RDP) and mutations in the ATP1A3 gene. Brain. 2007 Mar;130(Pt 3):828-35. doi: 10.1093/brain/awl340. Epub 2007 Feb 4.
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- Haq IU, Snively BM, Sweadner KJ, Suerken CK, Cook JF, Ozelius LJ, Miller C, McCall WV, Whitlow CT, Brashear A. Revising rapid-onset dystonia-parkinsonism: Broadening indications for ATP1A3 testing. Mov Disord. 2019 Oct;34(10):1528-1536. doi: 10.1002/mds.27801. Epub 2019 Jul 30.
- Heinzen EL, Swoboda KJ, Hitomi Y, Gurrieri F, Nicole S, de Vries B, Tiziano FD, Fontaine B, Walley NM, Heavin S, Panagiotakaki E; European Alternating Hemiplegia of Childhood (AHC) Genetics Consortium; Biobanca e Registro Clinico per l'Emiplegia Alternante (I.B.AHC) Consortium; European Network for Research on Alternating Hemiplegia (ENRAH) for Small and Medium-sized Enterpriese (SMEs) Consortium; Fiori S, Abiusi E, Di Pietro L, Sweney MT, Newcomb TM, Viollet L, Huff C, Jorde LB, Reyna SP, Murphy KJ, Shianna KV, Gumbs CE, Little L, Silver K, Ptacek LJ, Haan J, Ferrari MD, Bye AM, Herkes GK, Whitelaw CM, Webb D, Lynch BJ, Uldall P, King MD, Scheffer IE, Neri G, Arzimanoglou A, van den Maagdenberg AM, Sisodiya SM, Mikati MA, Goldstein DB. De novo mutations in ATP1A3 cause alternating hemiplegia of childhood. Nat Genet. 2012 Sep;44(9):1030-4. doi: 10.1038/ng.2358. Epub 2012 Jul 29.
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- Rodacker V, Toustrup-Jensen M, Vilsen B. Mutations Phe785Leu and Thr618Met in Na+,K+-ATPase, associated with familial rapid-onset dystonia parkinsonism, interfere with Na+ interaction by distinct mechanisms. J Biol Chem. 2006 Jul 7;281(27):18539-48. doi: 10.1074/jbc.M601780200. Epub 2006 Apr 21.
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