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
Other names
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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Weiterführende Lektüre und Referenzen
- ATPase Na+/K+ transporting subunit alpha 3; MedlinePlus, National Library of Medicine.
- Blanco-Arias P, Einholm AP, Mamsa H, Concheiro C, Gutierrez-de-Teran H, Romero J, Toustrup-Jensen MS, Carracedo A, Jen JC, Vilsen B, Sobrido MJ. A C-terminal mutation of ATP1A3 underscores the crucial role of sodium affinity in the pathophysiology of rapid-onset dystonia-parkinsonism. Hum Mol Genet. 2009 Jul 1;18(13):2370-7. doi: 10.1093/hmg/ddp170. Epub 2009 Apr 7.
- 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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- 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.
- Rosewich H, Thiele H, Ohlenbusch A, Maschke U, Altmuller J, Frommolt P, Zirn B, Ebinger F, Siemes H, Nurnberg P, Brockmann K, Gartner J. Heterozygous de-novo mutations in ATP1A3 in patients with alternating hemiplegia of childhood: a whole-exome sequencing gene-identification study. Lancet Neurol. 2012 Sep;11(9):764-73. doi: 10.1016/S1474-4422(12)70182-5. Epub 2012 Jul 30.
- Zanotti-Fregonara P, Vidailhet M, Kas A, Ozelius LJ, Clot F, Hindie E, Ravasi L, Devaux JY, Roze E. [123I]-FP-CIT and [99mTc]-HMPAO single photon emission computed tomography in a new sporadic case of rapid-onset dystonia-parkinsonism. J Neurol Sci. 2008 Oct 15;273(1-2):148-51. doi: 10.1016/j.jns.2008.06.033. Epub 2008 Aug 3.
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23. Apr 2024 | Neueste Version
1 Apr 2024 | Ursprünglich veröffentlicht
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