Mitochondrial Function and Parkinson's Disease: From the Perspective of the Electron Transport Chain

Parkinson's disease (PD) is known as a mitochondrial disease. Some even regarded it specifically as a disorder of the complex I of the electron transport chain (ETC). The ETC is fundamental for mitochondrial energy production which is essential for neuronal health. In the past two decades, more...

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Veröffentlicht in:Frontiers in molecular neuroscience 2021-12, Vol.14, p.797833-797833
Hauptverfasser: Li, Jeng-Lin, Lin, Tai-Yi, Chen, Po-Lin, Guo, Ting-Ni, Huang, Shu-Yi, Chen, Chun-Hong, Lin, Chin-Hsien, Chan, Chih-Chiang
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Sprache:eng
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Zusammenfassung:Parkinson's disease (PD) is known as a mitochondrial disease. Some even regarded it specifically as a disorder of the complex I of the electron transport chain (ETC). The ETC is fundamental for mitochondrial energy production which is essential for neuronal health. In the past two decades, more than 20 PD-associated genes have been identified. Some are directly involved in mitochondrial functions, such as , and . While other PD-associate genes, such as , , and , regulate lysosomal functions, lipid metabolism, or protein aggregation, some have been shown to indirectly affect the electron transport chain. The recent identification of and that are critical for functions of complex IV and complex III, respectively, provide direct evidence that PD is more than just a complex I disorder. Like UQCRC1 in preventing cytochrome from release, functions of ETC proteins beyond oxidative phosphorylation might also contribute to the pathogenesis of PD.
ISSN:1662-5099
1662-5099
DOI:10.3389/fnmol.2021.797833