Home General Physiology and Biophysics 2015 General Physiology and Biophysics Vol.34, No.4, p.337–352, 2015

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Founded: 1982
ISSN 1338-4325 (online)
ISSN 0231-5882 (print)
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General Physiology and Biophysics Vol.34, No.4, p.337–352, 2015

Title: The ubiquitin proteasome system as a potential therapeutic target for treatment of neurodegenerative diseases
Author: Alena Opattova, Martin Cente, Michal Novak, Peter Filipcik
Abstract: Impairment of “protein quality control” in neurons is associated with etiopathogenesis of neurodegenerative diseases. The worn-out products of cell metabolism should be safely eliminated via the proteasome, autophago-lysosome and exocytosis. Insufficient activity of these degradation mechanisms within neurons leads to the accumulation of toxic protein oligomers, which represent a starting material for development of neurodegenerative proteinopathy. The spectrum of CNS linked proteinopathies is particularly broad and includes Alzheimer’s disease (AD), Parkinson’s disease (PD), Lewy body dementia, Pick disease, Frontotemporal dementia, Huntington disease, Amyotrophic lateral sclerosis and many others. Although the primary events in etiopathogenesis of sporadic forms of these diseases are still unknown, it is clear that aging, in connection with decreased activity of ubiquitin proteasome system, is the most significant risk factor. In this review we discuss the pathogenic role and intracellular fate of the candidate molecules associated with onset and progression of AD and PD, the protein tau and α-synuclein in context with the function of ubiquitin proteasome system. We also discuss the possibility whether or not the strategies focused to re-establishment of neuroproteostasis via accelerated clearance of damaged proteins in proteasome could be a promising therapeutic approach for treatment of major neurodegenerative diseases.
Keywords: Alzheimer’s disease — Parkinson’s disease — Tau protein — α-synuclein — Proteasome — Heat shock proteins
Published online: 21-Sep-2015
Year: 2015, Volume: 34, Issue: 4 Page From: 337, Page To: 352
doi:10.4149/gpb_2015024


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