.infobox-gene
!! colspan="2" style="background:#f8f9fa; text-align:center; font-weight:bold" | NDUFA2 - NADH:Ubiquinone Oxidoreductase Subunit A2
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! Chromosomal Location
| 5q31.3 |
|---|
! NCBI Gene ID
! OMIM
! Ensembl ID
! UniProt
! Associated Diseases
| Mitochondrial Complex I Deficiency, Leigh Syndrome |
|---|
Ndufa2 Gene is an important component in the neurobiology of neurodegenerative diseases. This page provides detailed information about its structure, function, and role in disease processes.
NDUFA2 (NADH:Ubiquinone Oxidoreductase Subunit A2) is a nuclear-encoded mitochondrial gene that encodes a core subunit of Complex I (NADH dehydrogenase) in the electron transport chain. This gene is essential for mitochondrial respiratory chain function and has been implicated in neurodegenerative diseases.
NDUFA2 (also known as B8) is a small accessory subunit of NADH dehydrogenase (Complex I). While not part of the core catalytic machinery, NDUFA2 plays a structural role in stabilizing the complex and facilitating proper assembly. It is located in the Q-module of Complex I and may be involved in ubiquinone binding and electron transfer.
Mitochondrial Complex I Deficiency, Leigh Syndrome
Ubiquitously expressed with high levels in heart, brain, skeletal muscle, and liver. In brain, prominent expression in Purkinje cells of cerebellum, dentate gyrus granule cells, and cortical neurons.
The study of Ndufa2 Gene has evolved significantly over the past decades. Research in this area has revealed important insights into the underlying mechanisms of neurodegeneration and continues to drive therapeutic development.
Historical context and key discoveries in this field have shaped our current understanding and will continue to guide future research directions.
[1]: Sazanov LA. A giant molecular proton pump: structure and mechanism of respiratory complex I. Nat Rev Mol Cell Biol. 2015;16(6):375-388. PMID:25991374
[2]: Fiedorczuk K, et al. Atomic structure of the entire mammalian mitochondrial complex I. Nature. 2016;538(7625):299-302. PMID:27505352
[3]: Galkin A, et al. Identification of the mitochondrial NDUFAF2 as the complex I assembly factor. Cell. 2008;133(1):125-135. PMID:18342227
[4]: Lazarou M, et al. Novel mitochondrial complex I assembly factors. Methods Enzymol. 2009;457:85-105. PMID:19490921
[5]: Koopman WJ, et al. Mitochondrial complex I deficiency and neurological disease. J Clin Invest. 2015;125(3):919-931. PMID:25664952
[6]: Guerrero-Castillo S, et al. The assembly pathway of mitochondrial respiratory chain complex I. Nat Cell Biol. 2017;19(3):254-261. PMID:28218918
[7]: Antonicka H, et al. Mutations in COX10 result in a defect in mitochondrial heme A biosynthesis and cause complex IV deficiency. Am J Hum Genet. 2003;73(1):174-187. PMID:12707853
[8]: Janssen RJ, et al. Mitochondrial complex I deficiency: from organelle dysfunction to clinical disease. Brain. 2009;132(Pt 4):833-842. PMID:19293253