αSynuclein and Mitochondrial Dysfunction: A Pathogenic Partnership in Parkinson’s Disease?

Parkinson’s Disease (PD) is a complex, chronic, progressive, and debilitating neurodegenerative disorder. Neither a cure nor effective long-term therapy exist and the lack of knowledge of the molecular mechanisms responsible for PD development is a major impediment to therapeutic advances. The prote...

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Main Authors: David Protter, Charmaine Lang, Antony A. Cooper
Format: Article
Language:English
Published: Wiley 2012-01-01
Series:Parkinson's Disease
Online Access:http://dx.doi.org/10.1155/2012/829207
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author David Protter
Charmaine Lang
Antony A. Cooper
author_facet David Protter
Charmaine Lang
Antony A. Cooper
author_sort David Protter
collection DOAJ
description Parkinson’s Disease (PD) is a complex, chronic, progressive, and debilitating neurodegenerative disorder. Neither a cure nor effective long-term therapy exist and the lack of knowledge of the molecular mechanisms responsible for PD development is a major impediment to therapeutic advances. The protein αSynuclein is a central component in PD pathogenesis yet its cellular targets and mechanism of toxicity remains unknown. Mitochondrial dysfunction is also a common theme in PD patients and this review explores the strong possibility that αSynuclein and mitochondrial dysfunction have an inter-relationship responsible for underlying the disease pathology. Amplifying cycles of mitochondrial dysfunction and αSynuclein toxicity can be envisaged, with either being the disease-initiating factor yet acting together during disease progression. Multiple potential mechanisms exist in which mitochondrial dysfunction and αSynuclein could interact to exacerbate their neurodegenerative properties. Candidates discussed within this review include autophagy, mitophagy, mitochondrial dynamics/fusion/fission, oxidative stress and reactive oxygen species, endoplasmic reticulum stress, calcium, nitrosative stress and αSynuclein Oligomerization.
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series Parkinson's Disease
spelling doaj-art-7a1438bfb676454bbdb10a89449a45a42025-02-03T01:12:36ZengWileyParkinson's Disease2090-80832042-00802012-01-01201210.1155/2012/829207829207αSynuclein and Mitochondrial Dysfunction: A Pathogenic Partnership in Parkinson’s Disease?David Protter0Charmaine Lang1Antony A. Cooper2Diabetes and Obesity Program, Garvan Institute of Medical Research, Sydney, NSW 2010, AustraliaDiabetes and Obesity Program, Garvan Institute of Medical Research, Sydney, NSW 2010, AustraliaDiabetes and Obesity Program, Garvan Institute of Medical Research, Sydney, NSW 2010, AustraliaParkinson’s Disease (PD) is a complex, chronic, progressive, and debilitating neurodegenerative disorder. Neither a cure nor effective long-term therapy exist and the lack of knowledge of the molecular mechanisms responsible for PD development is a major impediment to therapeutic advances. The protein αSynuclein is a central component in PD pathogenesis yet its cellular targets and mechanism of toxicity remains unknown. Mitochondrial dysfunction is also a common theme in PD patients and this review explores the strong possibility that αSynuclein and mitochondrial dysfunction have an inter-relationship responsible for underlying the disease pathology. Amplifying cycles of mitochondrial dysfunction and αSynuclein toxicity can be envisaged, with either being the disease-initiating factor yet acting together during disease progression. Multiple potential mechanisms exist in which mitochondrial dysfunction and αSynuclein could interact to exacerbate their neurodegenerative properties. Candidates discussed within this review include autophagy, mitophagy, mitochondrial dynamics/fusion/fission, oxidative stress and reactive oxygen species, endoplasmic reticulum stress, calcium, nitrosative stress and αSynuclein Oligomerization.http://dx.doi.org/10.1155/2012/829207
spellingShingle David Protter
Charmaine Lang
Antony A. Cooper
αSynuclein and Mitochondrial Dysfunction: A Pathogenic Partnership in Parkinson’s Disease?
Parkinson's Disease
title αSynuclein and Mitochondrial Dysfunction: A Pathogenic Partnership in Parkinson’s Disease?
title_full αSynuclein and Mitochondrial Dysfunction: A Pathogenic Partnership in Parkinson’s Disease?
title_fullStr αSynuclein and Mitochondrial Dysfunction: A Pathogenic Partnership in Parkinson’s Disease?
title_full_unstemmed αSynuclein and Mitochondrial Dysfunction: A Pathogenic Partnership in Parkinson’s Disease?
title_short αSynuclein and Mitochondrial Dysfunction: A Pathogenic Partnership in Parkinson’s Disease?
title_sort αsynuclein and mitochondrial dysfunction a pathogenic partnership in parkinson s disease
url http://dx.doi.org/10.1155/2012/829207
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