mitochondrially encoded NADH dehydrogenase 1
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A MT-ND1 gene provides instructions for making a protein called NADH dehydrogenase 1. This protein is part of a large enzyme complex known as complex I, which is active in mitochondria. Mitochondria are structures within cells that convert the energy from food into a form that cells can use. These cellular structures produce energy through a process called oxidative phosphorylation, which uses oxygen and simple sugars to create adenosine triphosphate (ATP), the cell's main energy source.
Normal function
A MT-ND1 gene provides instructions for making a protein called NADH dehydrogenase 1. This protein is part of a large enzyme complex known as complex I, which is active in mitochondria. Mitochondria are structures within cells that convert the energy from food into a form that cells can use. These cellular structures produce energy through a process called oxidative phosphorylation, which uses oxygen and simple sugars to create adenosine triphosphate (ATP), the cell's main energy source.
Complex I is one of several enzyme complexes necessary for oxidative phosphorylation. Within mitochondria, these complexes are embedded in a tightly folded, specialized membrane called the inner mitochondrial membrane. During oxidative phosphorylation, mitochondrial enzyme complexes carry out chemical reactions that drive the production of ATP. Specifically, they create an unequal electrical charge on either side of the inner mitochondrial membrane through a step-by-step transfer of negatively charged particles called electrons. This difference in electrical charge provides the energy for ATP production.
Complex I is responsible for the first step in the electron transport process, the transfer of electrons from a molecule called NADH to another molecule called ubiquinone. Electrons are then passed from ubiquinone through several other enzyme complexes to provide energy for the generation of ATP.
Conditions referring to this gene or chromosome
Other names
mitochondrially encoded NADH dehydrogenase 1
MTND1
NADH dehydrogenase 1
NADH dehydrogenase subunit 1
NADH-ubiquinone oxidoreductase chain 1
NADH-ubiquinone oxidoreductase, subunit ND1
ND1
NU1M_HUMAN
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Leitura adicional e referências
- mitochondrially encoded NADH dehydrogenase 1; MedlinePlus, National Library of Medicine.
- Baracca A, Solaini G, Sgarbi G, Lenaz G, Baruzzi A, Schapira AH, Martinuzzi A, Carelli V. Severe impairment of complex I-driven adenosine triphosphate synthesis in leber hereditary optic neuropathy cybrids. Arch Neurol. 2005 May;62(5):730-6. doi: 10.1001/archneur.62.5.730.
- Cock HR, Cooper JM, Schapira AH. Functional consequences of the 3460-bp mitochondrial DNA mutation associated with Leber's hereditary optic neuropathy. J Neurol Sci. 1999 May 1;165(1):10-7. doi: 10.1016/s0022-510x(99)00088-x.
- Huoponen K. Leber hereditary optic neuropathy: clinical and molecular genetic findings. Neurogenetics. 2001 Jul;3(3):119-25. doi: 10.1007/s100480100115.
- Kervinen M, Hinttala R, Helander HM, Kurki S, Uusimaa J, Finel M, Majamaa K, Hassinen IE. The MELAS mutations 3946 and 3949 perturb the critical structure in a conserved loop of the ND1 subunit of mitochondrial complex I. Hum Mol Genet. 2006 Sep 1;15(17):2543-52. doi: 10.1093/hmg/ddl176. Epub 2006 Jul 18.
- Kirby DM, McFarland R, Ohtake A, Dunning C, Ryan MT, Wilson C, Ketteridge D, Turnbull DM, Thorburn DR, Taylor RW. Mutations of the mitochondrial ND1 gene as a cause of MELAS. J Med Genet. 2004 Oct;41(10):784-9. doi: 10.1136/jmg.2004.020537. No abstract available.
- Lenaz G, Baracca A, Carelli V, D'Aurelio M, Sgarbi G, Solaini G. Bioenergetics of mitochondrial diseases associated with mtDNA mutations. Biochim Biophys Acta. 2004 Jul 23;1658(1-2):89-94. doi: 10.1016/j.bbabio.2004.03.013.
- Mitchell AL, Elson JL, Howell N, Taylor RW, Turnbull DM. Sequence variation in mitochondrial complex I genes: mutation or polymorphism? J Med Genet. 2006 Feb;43(2):175-9. doi: 10.1136/jmg.2005.032474. Epub 2005 Jun 21.
- Simon DK, Friedman J, Breakefield XO, Jankovic J, Brin MF, Provias J, Bressman SB, Charness ME, Tarsy D, Johns DR, Tarnopolsky MA. A heteroplasmic mitochondrial complex I gene mutation in adult-onset dystonia. Neurogenetics. 2003 Aug;4(4):199-205. doi: 10.1007/s10048-003-0150-3. Epub 2003 May 17.
- Valentino ML, Barboni P, Ghelli A, Bucchi L, Rengo C, Achilli A, Torroni A, Lugaresi A, Lodi R, Barbiroli B, Dotti M, Federico A, Baruzzi A, Carelli V. The ND1 gene of complex I is a mutational hot spot for Leber's hereditary optic neuropathy. Ann Neurol. 2004 Nov;56(5):631-41. doi: 10.1002/ana.20236.
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