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The Role of Oxidative Stress in Alzheimer's Disease | OMICS International | Abstract
ISSN: 2161-0460

Journal of Alzheimers Disease & Parkinsonism
Open Access

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Review Article

The Role of Oxidative Stress in Alzheimer's Disease

Jennifer Madeo* and Chris Elsayad

Department of Medicine, Nassau University Medical Center, 2201 Hempstead Turnpike, East Meadow, New York 11554, USA

Corresponding Author:
Jennifer Madeo
Department of Medicine
Nassau University Medical Center
2201 Hempstead Turnpike, East Meadow
New York 11554, USA
E-mail: [email protected]

Received date: June 05, 2013; Accepted date: June 26, 2013; Published date: June 28, 2013

Citation: Madeo J, Elsayad C (2013) The Role of Oxidative Stress in Alzheimer’s Disease. J Alzheimers Dis Parkinsonism 3:116. doi:10.4172/2161-0460.1000116

Copyright: © 2013 Madeo J, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.


Alzheimer’s disease (AD) is a growing health care epidemic. It is the most common cause of dementia in the elderly and its incidence is rising. The disease is progressive, irreversible and debilitating. It is a great burden on both the patient and their caregivers. The two pathological hallmarks of the disease are aggregated beta-amyloid deposits and hyperphosphorylated neurofibrillary tangles. Although these lesions are found in the AD brain, their role in the pathogenesis leading to clinical dementia is largely unknown and still under debate. Age, which influences theoxidative and inflammatory states of the brain, is the most important risk factor. Recent research has highlighted the important role of oxidative stress, the role of the mitochondria in early disease and inflammation in the underlying molecular mechanism of AD. Oxidative damage predominately involves lipid peroxidation from reactive oxygen species derived from metabolism. Most patients are diagnosed after irreversible damage has been done. A better understanding of the role of these stressors could lead to early therapeutic interventions that better target the cause and have potential to modify disease course. Currently there is no disease modifying treatments available. This literature review highlights current knowledge regarding the role of oxidative stress, how it relates to the pathogenesis of AD and how further research in this field can benefit those who suffer from this debilitating disease.