Cited by 120Alzheimer's disease research and treatmentsDementia and Cognitive Impairment ResearchNeuroinflammation and Neurodegeneration Mechanisms

Alzheimer’s Disease, Inflammation, and the Role of Antioxidants

Open access
Sinyor, Benjamin, Mineo, Jocelyn, Ochner, Christopher·2020·Journal of Alzheimer s Disease Reports

Abstract

The World Health Organization refers to Alzheimer’s disease (AD) as a global health priority. As the average age of the world’s population is increasing, so too is the rate of AD. There are an estimated 47 million people globally who have been diagnosed with AD dementia, and researchers have yet to figure out the root cause. All misfolded aggregate proteins that are involved in neurodegenerative disorders (amyloid-β, Huntington’s tau, α-synuclein) induce oxidative stress. It is that oxidative stress that leads to inflammation and, in conjunction with amyloid protein and tau hyperphosphorylation, progresses to and exacerbates AD. The consumption of antioxidants and nutrients, specifically vitamin E, caffeine, and turmeric, may slow the progression of AD and can be found in a wide variety of dietary foods. This review explores the role of inflammation on AD, the antioxidants that can potentially combat it, and future directions of how the treatment of the disease can be better understood.

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Crossref · 10.3233/adr-200171

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  • Persistent activation of microglia may result in failure to resolve inflammation, contributing to neuronal damage and cognitive decline associated with AD.

    “The persistent activation of microglia may result in a failure to resolve inflammation, contributing to neuronal damage and the cognitive decline associated with AD [15,16].”
  • Various pathological factors, such as Aβ plaques, pro-inflammatory cytokines, and oxidative stress, activate microglia, leading to release of pro-inflammatory mediators that exacerbate neurotoxicity.

    “This hypothesis posits that various pathological factors, such as Aβ plaques, pro-inflammatory cytokines, and oxidative stress, activate microglia, the central nervous system’s innate immune cells. Upon activation, microglia undergo morphological changes and initiate a variety of inflammatory responses, which can lead to the release of pro-inflammatory mediators that exacerbate neurotoxicity.”
  • The inflammatory hypothesis suggests that chronic neuroinflammation plays a significant role in the pathogenesis of AD.

    “The inflammatory hypothesis suggests that chronic neuroinflammation plays a significant role in the pathogenesis of AD.”

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Research works printed but not linked: 2

  1. [29]Institute of Medicine (US) Panel on Dietary Antioxidants and Related Compounds (2000) Dietary Reference Intakes for Vitamin C, Vitamin E, Selenium, and Carotenoids. 25077263
  2. [39]Baldereschi M, Di Carlo A, Lepore V, Bracco L, Maggi S, Grigoletto F, Scarlato G, Amaducci L (1998) Estrogen-replacement therapy and Alzheimer’s disease in the Italian Longitudinal Study on Aging. Neurology 50, 996– 1002. 9566385

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Authors
Sinyor, B., Mineo, J., & Ochner, C.
Affiliations
HCA Healthcare (US)
Corresponding author
Sinyor, Benjamin
Venue
Journal of Alzheimer s Disease Reports
Published
2020-05-30
Volume
4
Issue
1
Pages
175-183
ISSN
2542-4823 (ISSN-L)
OpenAlex
W3033403703
Cited by
120
References
58
Citations by year
2026: 14 · 2025: 16 · 2024: 23 · 2023: 23 · 2022: 23 · 2021: 19 · 2020: 2
FWCI
2.14
Type
journal article
Language
en
Open access
Locations
  • Journal of Alzheimer s Disease Reports (publishedVersion, cc-by-nc)
  • PubMed Central (publishedVersion, cc-by-nc)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
HCA Healthcare
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 › Neuroscience › Neurology › Neuroinflammation and Neurodegeneration Mechanisms
Keywords
Alzheimer's disease, neuroinflammation, oxidative stress, antioxidants, amyloid-beta, tau hyperphosphorylation, protein aggregation, vitamin E, caffeine, turmeric, dietary nutrients, neurodegeneration

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