Role of Protein Misfolding and Proteostasis Deficiency in Protein Misfolding Diseases and Aging

The misfolding, aggregation, and tissue accumulation of proteins are common events in diverse chronic diseases, known as protein misfolding disorders. Many of these diseases are associated with aging, but the mechanism for this connection is unknown. Recent evidence has shown that the formation and...

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Main Authors: Karina Cuanalo-Contreras, Abhisek Mukherjee, Claudio Soto
Format: Article
Language:English
Published: Wiley 2013-01-01
Series:International Journal of Cell Biology
Online Access:http://dx.doi.org/10.1155/2013/638083
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author Karina Cuanalo-Contreras
Abhisek Mukherjee
Claudio Soto
author_facet Karina Cuanalo-Contreras
Abhisek Mukherjee
Claudio Soto
author_sort Karina Cuanalo-Contreras
collection DOAJ
description The misfolding, aggregation, and tissue accumulation of proteins are common events in diverse chronic diseases, known as protein misfolding disorders. Many of these diseases are associated with aging, but the mechanism for this connection is unknown. Recent evidence has shown that the formation and accumulation of protein aggregates may be a process frequently occurring during normal aging, but it is unknown whether protein misfolding is a cause or a consequence of aging. To combat the formation of these misfolded aggregates cells have developed complex and complementary pathways aiming to maintain protein homeostasis. These protective pathways include the unfolded protein response, the ubiquitin proteasome system, autophagy, and the encapsulation of damaged proteins in aggresomes. In this paper we review the current knowledge on the role of protein misfolding in disease and aging as well as the implication of deficiencies in the proteostasis cellular pathways in these processes. It is likely that further understanding of the mechanisms involved in protein misfolding and the natural defense pathways may lead to novel strategies for treatment of age-dependent protein misfolding disorders and perhaps aging itself.
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spelling doaj-art-da069b522efc43889b0b2f3c5870f2a82025-08-20T03:24:25ZengWileyInternational Journal of Cell Biology1687-88761687-88842013-01-01201310.1155/2013/638083638083Role of Protein Misfolding and Proteostasis Deficiency in Protein Misfolding Diseases and AgingKarina Cuanalo-Contreras0Abhisek Mukherjee1Claudio Soto2Mitchell Center for Alzheimer’s Disease and Related Brain Disorders, Department of Neurology, University of Texas Houston Medical School, Houston, TX 77030, USAMitchell Center for Alzheimer’s Disease and Related Brain Disorders, Department of Neurology, University of Texas Houston Medical School, Houston, TX 77030, USAMitchell Center for Alzheimer’s Disease and Related Brain Disorders, Department of Neurology, University of Texas Houston Medical School, Houston, TX 77030, USAThe misfolding, aggregation, and tissue accumulation of proteins are common events in diverse chronic diseases, known as protein misfolding disorders. Many of these diseases are associated with aging, but the mechanism for this connection is unknown. Recent evidence has shown that the formation and accumulation of protein aggregates may be a process frequently occurring during normal aging, but it is unknown whether protein misfolding is a cause or a consequence of aging. To combat the formation of these misfolded aggregates cells have developed complex and complementary pathways aiming to maintain protein homeostasis. These protective pathways include the unfolded protein response, the ubiquitin proteasome system, autophagy, and the encapsulation of damaged proteins in aggresomes. In this paper we review the current knowledge on the role of protein misfolding in disease and aging as well as the implication of deficiencies in the proteostasis cellular pathways in these processes. It is likely that further understanding of the mechanisms involved in protein misfolding and the natural defense pathways may lead to novel strategies for treatment of age-dependent protein misfolding disorders and perhaps aging itself.http://dx.doi.org/10.1155/2013/638083
spellingShingle Karina Cuanalo-Contreras
Abhisek Mukherjee
Claudio Soto
Role of Protein Misfolding and Proteostasis Deficiency in Protein Misfolding Diseases and Aging
International Journal of Cell Biology
title Role of Protein Misfolding and Proteostasis Deficiency in Protein Misfolding Diseases and Aging
title_full Role of Protein Misfolding and Proteostasis Deficiency in Protein Misfolding Diseases and Aging
title_fullStr Role of Protein Misfolding and Proteostasis Deficiency in Protein Misfolding Diseases and Aging
title_full_unstemmed Role of Protein Misfolding and Proteostasis Deficiency in Protein Misfolding Diseases and Aging
title_short Role of Protein Misfolding and Proteostasis Deficiency in Protein Misfolding Diseases and Aging
title_sort role of protein misfolding and proteostasis deficiency in protein misfolding diseases and aging
url http://dx.doi.org/10.1155/2013/638083
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