Cited by 562Alzheimer's disease research and treatmentsMitochondrial Function and PathologyDementia and Cognitive Impairment Research

The Alzheimer’s Disease Mitochondrial Cascade Hypothesis

Open access
Swerdlow, Russell H., Burns, Jeffrey M., Khan, Shaharyar M.·2010·Journal of Alzheimer s Disease

Abstract

We first proposed the mitochondrial cascade hypothesis of sporadic Alzheimer's disease (AD) in 2004. Our core assumptions were a person's genes determine baseline mitochondrial function and durability, this durability determines how mitochondria change with advancing age, and critical changes in mitochondrial function initiate other pathologies characteristic of AD. Since then several lines of investigation report data consistent with or supportive of our hypothesis. In particular, AD endophenotype studies suggest a strong maternal genetic contribution, and links between mitochondrial function, tau phosphorylation, and amyloid-beta (Abeta) amyloidosis are increasingly recognized. As predicted, AD therapies designed to reduce Abeta thus far have had at best very limited clinical benefits; our hypothesis identifies alternative therapeutic targets. While placing mitochondria at the apex of an AD cascade certainly remains controversial, it is increasingly accepted by the AD research community that mitochondria play an important role in the late-onset forms of the disease. Even if the mitochondrial cascade hypothesis proves incorrect, considering its assumptions could potentially advance our understanding of sporadic, late-onset AD.

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Crossref · 10.3233/jad-2010-100339

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  • Models based on early-onset, autosomal dominant AD may provide limited insight into late-onset, non-autosomal dominant AD.

    “Models based on early-onset, autosomal dominant AD may therefore provide limited insight into late-onset, non-autosomal dominant AD.”

    From Brain aging, Alzheimer's disease, and mitochondria (2011) · cites this paper as [146]

  • In the mitochondrial cascade hypothesis, toxic cascades in AD are not initiated by Aβ, but by mitochondria.

    “In other words, toxic cascades in AD are not initiated by Aβ, but by mitochondria.”

    From Brain aging, Alzheimer's disease, and mitochondria (2011) · cites this paper as [146]

  • If the mitochondrial cascade hypothesis is correct, early-onset, autosomal dominant and late-onset, non-autosomal dominant AD cases do not share a common etiology.

    “If correct, the mitochondrial cascade hypothesis has several inconvenient implications. The main implication is that early-onset, autosomal dominant and late-onset, non-autosomal dominant AD cases do not share a common etiology.”

    From Brain aging, Alzheimer's disease, and mitochondria (2011) · cites this paper as [146]

  • According to the mitochondrial cascade hypothesis, Aβ is not an upstream biomarker of AD, but is instead a downstream marker of evolving mitochondrial dysfunction.

    “According to the hypothesis Aβ is not an “upstream” biomarker of AD, but is instead a “downstream” marker of evolving mitochondrial dysfunction.”

    From Brain aging, Alzheimer's disease, and mitochondria (2011) · cites this paper as [146]

  • Aβ deposition within an aging brain simply indicates critical age-related changes are occurring.

    “Accordingly, Aβ deposition within an aging brain simply indicates critical age-related changes are occurring.”

    From Brain aging, Alzheimer's disease, and mitochondria (2011) · cites this paper as [146]

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Research works printed but not linked: 4

  1. [111]Johnson DK Wilkins CH Morris JC Accelerated Weight Loss May Precede Diagnosis in Alzheimer Disease Arch Neurol 2006 63 1312 1317 16966511
  2. [112]Stewart R Masaki K Xue QL Peila R Petrovitch H White LR Launer LJ A 32-Year Prospective Study of Change in Body Weight and Incident Dementia: The Honolulu-Asia Aging Study Archives of Neurology 2005 62 55 60 15642850
  3. [113]BarrettConnor E Edelstein SL CoreyBloom J Wiederholt WC Weight loss precedes dementia in community-dwelling older adults Journal of the American Geriatrics Society 1996 44 1147 1152 8855991
  4. [114]White H Pieper C Schmader K Fillenbaum G Weight change in Alzheimer's disease J Am Geriatr Soc 1996 44 265 272 8600194

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Authors
Swerdlow, R. H., Burns, J. M., & Khan, S. M.
Affiliations
  • University of Kansas (US)
  • Gencia (United States) (US)
Corresponding author
Swerdlow, Russell H.
Venue
Journal of Alzheimer s Disease
Published
2010-06-03
Volume
20
Issue
s2
Pages
S265-S279
ISSN
  • 1387-2877 (ISSN-L)
  • 1875-8908
OpenAlex
W1685999671
Cited by
562
References
145
Citations by year
2026: 31 · 2025: 30 · 2024: 26 · 2023: 63 · 2022: 34 · 2021: 37 · 2020: 38 · 2019: 25 · 2018: 36 · 2017: 37 · 2016: 41 · 2015: 31 · 2014: 33 · 2013: 37 · 2012: 28
FWCI
3.21
Type
journal article
Language
en
Open access
Locations
  • Journal of Alzheimer s Disease (publishedVersion, cc-by-nc)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • National Institutes of Health
  • National Institute on Aging (AG026374, R21AG029615, AG029615, AG022407, R01AG022407, R03AG026374)
  • National Eye Institute (R21EY018474, EY018474)
  • National Institute of Neurological Disorders and Stroke (K23NS058252)
  • National Center for Research Resources (M01RR023940)
Topics
  • Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Mitochondrial Function and Pathology
  • Health Sciences › Medicine › Psychiatry and Mental health › Dementia and Cognitive Impairment Research
Keywords
Alzheimer's disease
MeSH terms
Aging, Alzheimer Disease, Animals, Electron Transport Complex IV, DNA, Mitochondrial, Humans, Mitochondria, Models, Biological, Amyloid beta-Peptides

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