Cited by 862Alzheimer's disease research and treatmentsDementia and Cognitive Impairment ResearchRedox biology and oxidative stress

Oxidative Stress and the Pathogenesis of Alzheimer's Disease

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Zhao, Yan, Zhao, Baolu·2013·Oxidative Medicine and Cellular Longevity

Abstract

Alzheimer's disease (AD) is the most common neurodegenerative disease that causes dementia in the elderly. Patients with AD suffer a gradual deterioration of memory and other cognitive functions, which eventually leads to a complete incapacity and death. A complicated array of molecular events has been implicated in the pathogenesis of AD. The major pathological characteristics of AD brains are the presence of senile plaques, neurofibrillary tangles, and neuronal loss. Growing evidence has demonstrated that oxidative stress is an important factor contributing to the initiation and progression of AD. However, the mechanisms that lead to the disruption of redox balance and the sources of free radicals remain elusive. The excessive reactive oxygen species may be generated from mechanisms such as mitochondria dysfunction and/or aberrant accumulation of transition metals, while the abnormal accumulation of Abeta and tau proteins appears to promote the redox imbalance. The resulted oxidative stress has been implicated in Abeta- or tau-induced neurotoxicity. In addition, evidence has suggested that oxidative stress may augment the production and aggregation of Abeta and facilitate the phosphorylation and polymerization of tau, thus forming a vicious cycle that promotes the initiation and progression of AD.

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Authors
Zhao, Y., & Zhao, B.
Affiliations
  • Harbin Institute of Technology (CN)
  • Chinese Academy of Sciences (CN)
Corresponding author
  • Zhao, Yan
  • Zhao, Baolu
Venue
Oxidative Medicine and Cellular Longevity
Publisher
Wiley
Published
2013
Volume
2013
Pages
1-10
ISSN
  • 1942-0994 (ISSN-L)
  • 1942-0900
OpenAlex
W2141262291
Cited by
855
References
140
Citations by year
2026: 47 · 2025: 61 · 2024: 82 · 2023: 78 · 2022: 80 · 2021: 83 · 2020: 76 · 2019: 71 · 2018: 64 · 2017: 64 · 2016: 53 · 2015: 54 · 2014: 36 · 2013: 5 · 2012: 1
FWCI
5.44
Type
journal article
Language
en
Open access
Locations
  • Oxidative Medicine and Cellular Longevity (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
  • National Natural Science Foundation of China (30930036, 31201338, 30870587, 2009-3-93, 2011DXGJ14, Y200902, 2009147, 2006CB500706)
  • Weihai Science and Technology Development Program (30930036, 31201338, 30870587, 2009-3-93, 2011DXGJ14, Y200902, 2009147, 2006CB500706)
  • Harbin Institute of Technology (30930036, 31201338, 30870587, 2009-3-93, 2011DXGJ14, Y200902, 2009147, 2006CB500706)
  • National Basic Research Program of China (30930036, 31201338, 30870587, 2009-3-93, 2011DXGJ14, Y200902, 2009147, 2006CB500706)
Topics
  • Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
  • Health Sciences › Medicine › Psychiatry and Mental health › Dementia and Cognitive Impairment Research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Redox biology and oxidative stress
Keywords
Alzheimer's disease, oxidative stress, redox imbalance, reactive oxygen species, free radicals, mitochondrial dysfunction, amyloid-beta, tau protein, neurofibrillary tangles, amyloid plaques, neurotoxicity, neurodegeneration, dementia
MeSH terms
Alzheimer Disease, Humans, Reactive Oxygen Species, Oxidative Stress

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