The Parkinson’s disease-associated protein α-synuclein disrupts stress signaling – a possible implication for methamphetamine use?

The human neuronal protein α-synuclein (α-syn) has been linked by a plethora of studies as a causative factor in sporadic Parkinson’s disease (PD). To speed the pace of discovery about the biology and pathobiology of α-syn, organisms such as yeast, worms, and flies have been used to investigate the...

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Main Authors: Shaoxiao Wang, Stephan N. Witt
Format: Article
Language:English
Published: Shared Science Publishers OG 2014-03-01
Series:Microbial Cell
Subjects:
Online Access:http://microbialcell.com/researcharticles/the-parkinsons-disease-associated-protein-%CE%B1-synuclein-disrupts-stress-signaling-a-possible-implication-for-methamphetamine-use/
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author Shaoxiao Wang
Stephan N. Witt
author_facet Shaoxiao Wang
Stephan N. Witt
author_sort Shaoxiao Wang
collection DOAJ
description The human neuronal protein α-synuclein (α-syn) has been linked by a plethora of studies as a causative factor in sporadic Parkinson’s disease (PD). To speed the pace of discovery about the biology and pathobiology of α-syn, organisms such as yeast, worms, and flies have been used to investigate the mechanisms by which elevated levels of α-syn are toxic to cells and to screen for drugs and genes that suppress this toxicity. We recently reported [Wang et al. Proc. Natl. Acad. Sci.(2012) 109: 16119–16124] that human α-syn, at high expression levels, disrupts stress-activated signal transduction pathways in both yeast and human neuroblastoma cells. Disruption of these signaling pathways ultimately leads to vulnerability to stress and to cell death. Here we discuss how the disruption of cell signaling by α-syn may have relevance to the parkinsonism that is associated with the abuse of the drug methamphetamine (meth).
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spelling doaj.art-8e0811f2d65d40828e527608bba0b4df2022-12-22T02:53:24ZengShared Science Publishers OGMicrobial Cell2311-26382014-03-011413113210.15698/mic2014.04.137The Parkinson’s disease-associated protein α-synuclein disrupts stress signaling – a possible implication for methamphetamine use?Shaoxiao Wang0Stephan N. Witt1Department of Biochemistry and Molecular Biology, Louisiana State University Health Sciences Center, USA.Department of Biochemistry and Molecular Biology, Louisiana State University Health Sciences Center, USA.The human neuronal protein α-synuclein (α-syn) has been linked by a plethora of studies as a causative factor in sporadic Parkinson’s disease (PD). To speed the pace of discovery about the biology and pathobiology of α-syn, organisms such as yeast, worms, and flies have been used to investigate the mechanisms by which elevated levels of α-syn are toxic to cells and to screen for drugs and genes that suppress this toxicity. We recently reported [Wang et al. Proc. Natl. Acad. Sci.(2012) 109: 16119–16124] that human α-syn, at high expression levels, disrupts stress-activated signal transduction pathways in both yeast and human neuroblastoma cells. Disruption of these signaling pathways ultimately leads to vulnerability to stress and to cell death. Here we discuss how the disruption of cell signaling by α-syn may have relevance to the parkinsonism that is associated with the abuse of the drug methamphetamine (meth).http://microbialcell.com/researcharticles/the-parkinsons-disease-associated-protein-%CE%B1-synuclein-disrupts-stress-signaling-a-possible-implication-for-methamphetamine-use/α-synucleinmethamphetamineParkinson’s diseasepolo-like kinasesignaling
spellingShingle Shaoxiao Wang
Stephan N. Witt
The Parkinson’s disease-associated protein α-synuclein disrupts stress signaling – a possible implication for methamphetamine use?
Microbial Cell
α-synuclein
methamphetamine
Parkinson’s disease
polo-like kinase
signaling
title The Parkinson’s disease-associated protein α-synuclein disrupts stress signaling – a possible implication for methamphetamine use?
title_full The Parkinson’s disease-associated protein α-synuclein disrupts stress signaling – a possible implication for methamphetamine use?
title_fullStr The Parkinson’s disease-associated protein α-synuclein disrupts stress signaling – a possible implication for methamphetamine use?
title_full_unstemmed The Parkinson’s disease-associated protein α-synuclein disrupts stress signaling – a possible implication for methamphetamine use?
title_short The Parkinson’s disease-associated protein α-synuclein disrupts stress signaling – a possible implication for methamphetamine use?
title_sort parkinson s disease associated protein α synuclein disrupts stress signaling a possible implication for methamphetamine use
topic α-synuclein
methamphetamine
Parkinson’s disease
polo-like kinase
signaling
url http://microbialcell.com/researcharticles/the-parkinsons-disease-associated-protein-%CE%B1-synuclein-disrupts-stress-signaling-a-possible-implication-for-methamphetamine-use/
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