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Mitochondrial- and Endoplasmic Reticulum-Associated Oxidative Stress in Alzheimer's Disease : From Pathogenesis to Biomarkers
Joint Authors
de Oliveira, Catarina Resende
Costa, R. O.
Pereira, C. F.
Ferreiro, E.
Baldeiras, I.
Rego, A. C.
Ferreira, I. L.
Source
International Journal of Cell Biology
Issue
Vol. 2012, Issue 2012 (31 Dec. 2012), pp.1-23, 23 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2012-06-04
Country of Publication
Egypt
No. of Pages
23
Main Subjects
Abstract EN
Alzheimer's disease (AD) is the most common cause of dementia in the elderly, affecting several million of people worldwide.
Pathological changes in the AD brain include the presence of amyloid plaques, neurofibrillary tangles, loss of neurons and synapses, and oxidative damage.
These changes strongly associate with mitochondrial dysfunction and stress of the endoplasmic reticulum (ER).
Mitochondrial dysfunction is intimately linked to the production of reactive oxygen species (ROS) and mitochondrial-driven apoptosis, which appear to be aggravated in the brain of AD patients.
Concomitantly, mitochondria are closely associated with ER, and the deleterious crosstalk between both organelles has been shown to be involved in neuronal degeneration in AD.
Stimuli that enhance expression of normal and/or folding-defective proteins activate an adaptive unfolded protein response (UPR) that, if unresolved, can cause apoptotic cell death.
ER stress also induces the generation of ROS that, together with mitochondrial ROS and decreased activity of several antioxidant defenses, promotes chronic oxidative stress.
In this paper we discuss the critical role of mitochondrial and ER dysfunction in oxidative injury in AD cellular and animal models, as well as in biological fluids from AD patients.
Progress in developing peripheral and cerebrospinal fluid biomarkers related to oxidative stress will also be summarized.
American Psychological Association (APA)
Ferreiro, E.& Baldeiras, I.& Ferreira, I. L.& Costa, R. O.& Rego, A. C.& Pereira, C. F.…[et al.]. 2012. Mitochondrial- and Endoplasmic Reticulum-Associated Oxidative Stress in Alzheimer's Disease : From Pathogenesis to Biomarkers. International Journal of Cell Biology،Vol. 2012, no. 2012, pp.1-23.
https://search.emarefa.net/detail/BIM-494469
Modern Language Association (MLA)
Ferreiro, E.…[et al.]. Mitochondrial- and Endoplasmic Reticulum-Associated Oxidative Stress in Alzheimer's Disease : From Pathogenesis to Biomarkers. International Journal of Cell Biology No. 2012 (2012), pp.1-23.
https://search.emarefa.net/detail/BIM-494469
American Medical Association (AMA)
Ferreiro, E.& Baldeiras, I.& Ferreira, I. L.& Costa, R. O.& Rego, A. C.& Pereira, C. F.…[et al.]. Mitochondrial- and Endoplasmic Reticulum-Associated Oxidative Stress in Alzheimer's Disease : From Pathogenesis to Biomarkers. International Journal of Cell Biology. 2012. Vol. 2012, no. 2012, pp.1-23.
https://search.emarefa.net/detail/BIM-494469
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-494469